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Dell Latitude E7250
Owner's Manual
Regulatory Model: P22S
Regulatory Type: P22S002
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Notes, cautions, and warnings
NOTE: A NOTE indicates important information that helps you make better use of your computer.
CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem.
WARNING: A WARNING indicates a potential for property damage, personal injury, or death.
© 2015 2018 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other
trademarks may be trademarks of their respective owners.
2018 - 05
Rev. A01
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Contents
1 Working on your computer............................................................................................................................. 5
Before Working Inside Your Computer............................................................................................................................ 5
Turning O Your Computer...............................................................................................................................................6
After Working Inside Your Computer...............................................................................................................................6
2 Docking Your Computer................................................................................................................................. 7
3 Disassembly and reassembly..........................................................................................................................8
Recommended Tools..........................................................................................................................................................8
System Overview...............................................................................................................................................................9
Removing the Battery......................................................................................................................................................10
Installing the Battery......................................................................................................................................................... 11
Removing the Base Cover................................................................................................................................................11
Installing the Base Cover..................................................................................................................................................11
Removing the mSATA SSD Card.................................................................................................................................... 12
Installing the mSATA SSD Card.......................................................................................................................................12
Removing the memory module.......................................................................................................................................12
Installing the memory module......................................................................................................................................... 13
Removing the WWAN Card.............................................................................................................................................13
Installing the WWAN Card............................................................................................................................................... 13
Removing the WLAN Card..............................................................................................................................................14
Installing the WLAN Card................................................................................................................................................ 14
Removing the Keyboard Trim..........................................................................................................................................14
Installing the Keyboard Trim............................................................................................................................................ 15
Removing the Keyboard...................................................................................................................................................15
Installing the Keyboard.....................................................................................................................................................16
Removing the Palmrest....................................................................................................................................................16
Installing the Palmrest......................................................................................................................................................18
Removing the SIM Board.................................................................................................................................................18
Installing the SIM Board...................................................................................................................................................19
Removing the Speakers...................................................................................................................................................19
Installing the Speakers.....................................................................................................................................................20
Removing the Display-Hinge Cover...............................................................................................................................20
Installing the Display-Hinge Cover.................................................................................................................................. 21
Removing the Display Assembly.....................................................................................................................................22
Installing the Display Assembly.......................................................................................................................................24
Removing the System Board..........................................................................................................................................24
Installing the System Board............................................................................................................................................ 25
Removing the Heatsink Assembly..................................................................................................................................26
Installing the Heatsink Assembly.................................................................................................................................... 27
Removing the Coin-Cell Battery.....................................................................................................................................27
Installing the Coin-Cell Battery.......................................................................................................................................28
Contents
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4 System Setup.............................................................................................................................................. 29
Boot Sequence.................................................................................................................................................................29
Navigation Keys................................................................................................................................................................29
System Setup Options.................................................................................................................................................... 30
Updating the BIOS ..........................................................................................................................................................38
System and Setup Password..........................................................................................................................................39
Assigning a System Password and Setup Password.............................................................................................39
Deleting or changing an existing system and-or setup password........................................................................40
5 Diagnostics...................................................................................................................................................41
Enhanced Pre-Boot System Assessment — ePSA diagnostics.................................................................................41
Device Status Lights.........................................................................................................................................................41
Battery Status Lights.......................................................................................................................................................42
6 Specications..............................................................................................................................................43
7 Contacting Dell............................................................................................................................................ 48
4 Contents
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1
Working on your computer
Before Working Inside Your Computer
Use the following safety guidelines to help protect your computer from potential damage and to help to ensure your personal safety. Unless
otherwise noted, each procedure included in this document assumes that the following conditions exist:
• You have read the safety information that shipped with your computer.
• A component can be replaced or--if purchased separately--installed by performing the removal procedure in reverse order.
WARNING: Disconnect all power sources before opening the computer cover or panels. After you nish working inside the
computer, replace all covers, panels, and screws before connecting to the power source.
WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional
safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance
CAUTION: Many repairs may only be done by a certied service technician. You should only perform troubleshooting and simple
repairs as authorized in your product documentation, or as directed by the online or telephone service and support team.
Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions
that came with the product.
CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an
unpainted metal surface, such as a connector on the back of the computer.
CAUTION: Handle components and cards with care. Do not touch the components or contacts on a card. Hold a card by its
edges or by its metal mounting bracket. Hold a component such as a processor by its edges, not by its pins.
CAUTION: When you disconnect a cable, pull on its connector or on its pull-tab, not on the cable itself. Some cables have
connectors with locking tabs; if you are disconnecting this type of cable, press in on the locking tabs before you disconnect the
cable. As you pull connectors apart, keep them evenly aligned to avoid bending any connector pins. Also, before you connect a
cable, ensure that both connectors are correctly oriented and aligned.
NOTE: The color of your computer and certain components may appear dierently than shown in this document.
To avoid damaging your computer, perform the following steps before you begin working inside the computer.
1 Ensure that your work surface is at and clean to prevent the computer cover from being scratched.
2 Turn o your computer (see Turning o Your Computer).
3 If the computer is connected to a docking device (docked), undock it.
CAUTION
network device.
4 Disconnect all network cables from the computer.
5 Disconnect your computer and all attached devices from their electrical outlets.
6 Close the display and turn the computer upside-down on a at work surface.
NOTE
7 Remove the main battery.
8 Turn the computer top-side up.
9 Open the display.
10 Press the power button to ground the system board.
CAUTION
display.
: To disconnect a network cable, rst unplug the cable from your computer and then unplug the cable from the
: To avoid damaging the system board, you must remove the main battery before you service the computer.
: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the
Working on your computer 5
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CAUTION: Before touching anything inside your computer, ground yourself by touching an unpainted metal surface, such as
the metal at the back of the computer. While you work, periodically touch an unpainted metal surface to dissipate static
electricity, which could harm internal components.
11 Remove any installed ExpressCards or Smart Cards from the appropriate slots.
Turning O Your Computer
CAUTION: To avoid losing data, save and close all open les and exit all open programs before you turn o your computer.
1 Shut down the operating system:
• In Windows 8 (touch-enabled device):
1 Swipe in from the right edge of the screen, opening the Charms menu and select Settings.
2 Select the and then select Shut down.
• Using a mouse:
1 Point to upper-right corner of the screen and click Settings.
2 Click the and select Shut down.
• In Windows 7:
1
Click Start .
2 Click Shut Down.
Or
1 Click Start .
2 Click the arrow in the lower-right corner of the Start menu as shown below, and then click Shut Down
2 Ensure that the computer and all attached devices are turned o. If your computer and attached devices did not automatically turn o
when you shut down your operating system, press and hold the power button for about 6 seconds to turn them o.
After Working Inside Your Computer
After you complete any replacement procedure, ensure you connect any external devices, cards, and cables before turning on your
computer.
CAUTION
designed for other Dell computers.
1 Connect any external devices, such as a port replicator or media base, and replace any cards, such as an ExpressCard.
2 Connect any telephone or network cables to your computer.
3 Replace the battery.
4 Connect your computer and all attached devices to their electrical outlets.
5 Turn on your computer.
: To avoid damage to the computer, use only the battery designed for this particular Dell computer. Do not use batteries
CAUTION
computer.
: To connect a network cable, rst plug the cable into the network device and then plug it into the
Working on your computer
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Docking Your Computer
Follow the steps to dock your computer:
a Place the docking spacer until the docking spacer clicks in its place in the docking station.
b Place the computer on the docking spacer to dock your computer.
2
NOTE: This docking spacer can be used to dock only the Latitude E7250 / Latitude E7450 computers. You cannot dock any
other Dell computers using this docking station.
NOTE: The docking spacer and the dock are optional items and do not ship standard with the computer.
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Disassembly and reassembly
Recommended Tools
The procedures in this document may require the following tools:
• Small at-blade screwdriver
• Phillips screwdriver
• Small plastic scribe
3
8 Disassembly and reassembly
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System Overview
1 Battery-status light 2 Hard-drive activity light
3 Power-status light 4 Microphones
5 Camera 6 Camera-status light
7 Hard-drive activity light 8 Battery-status light
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9 Wireless-status light 10 Security-cable slot
11 Power button 12 Mini-DisplayPort Connector
13 USB 3.0 connector 14 Headset connector
15 Memory card reader 16 Contactless smart-card reader / Near Field Communication
(NFC) reader (optional)
17 Fingerprint reader (optional) 18 Touchpad
19 Smart card reader (optional) 20 Network connector
21 HDMI connector 22 USB 3.0 connector
23 USB 3.0 connector with PowerShare 24 Power connector
25 Dock connector (optional) 26 Service-tag label
27 Battery release latch 28 Battery
29 Speakers
Removing the Battery
1 Follow the procedures in Before Working Inside Your Computer.
2 Slide the release latch to unlock the battery.
3 Remove the battery from the computer.
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Disassembly and reassembly
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Installing the Battery
1 Insert the battery into its slot until it clicks into place.
2 Follow the procedures in After Working Inside Your computer.
Removing the Base Cover
1 Follow the procedures in Before Working Inside Your Computer.
2 Remove the battery.
3 Perform the following steps as shown in the illustration:
a Remove the screws that secure the base cover to the computer [1].
b Slide the base cover to release it from the computer [2].
4 Remove the base cover from the computer.
Installing the Base Cover
1 Place the base cover to align with the screw holes correctly on the computer.
2 Tighten the screws to secure the base cover to the computer.
3 Install the battery.
4 Follow the procedures in After Working Inside Your computer.
Disassembly and reassembly
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Removing the mSATA SSD Card
1 Follow the procedures in Before Working Inside Your Computer.
2 Remove:
a battery
b base cover
3 Perform the following steps as shown in the illustration:
a Remove the screw that secures the mSATA SSD card to the computer [1].
b Lift and remove the mSATA SSD card from the computer [2].
Installing the mSATA SSD Card
1 Place the mSATA SSD card in its slot in the computer.
2 Tighten the screw to secures the mSATA SSD card to the computer.
3 Install:
a base cover
b battery
4 Follow the procedures in After Working Inside Your computer.
Removing the memory module
1 Follow the procedures in Before Working Inside Your Computer.
2 Remove:
a battery
b base cover
3 Pry the retention clips from the memory module.
4 Remove the memory module from the system.
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Installing the memory module
1 Follow the procedures in Before Working Inside Your Computer.
2 Install:
a battery
b base cover
3 Insert the memory in the memory socket.
4 Press the memory until the securing clips secures it. If there is a second memory to be installed in DIMM B slot, repeat steps 1 and 2.
5 Replace the pre-removal parts in descending order
Removing the WWAN Card
1 Follow the procedures in Before Working Inside Your Computer.
2 Remove:
a battery
b base cover
3 Perform the following steps as shown in the illustration:
a Disconnect the WWAN cables from their connectors on the WWAN card [1].
b Remove the screw that secures the WWAN card to the computer [2].
c Remove the WWAN card from the computer [3].
Installing the WWAN Card
1 Place the WWAN card into its slot on the computer.
2 Tighten the screw to secures the WWAN card to the computer.
3 Connect the WWAN cables to their connectors on the WWAN card.
4 Install:
a base cover
b battery
5 Follow the procedures in After Working Inside Your computer.
Disassembly and reassembly
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Removing the WLAN Card
1 Follow the procedures in Before Working Inside Your Computer.
2 Remove:
a battery
b base cover
3 Perform the following steps as shown in the illustration:
a Disconnect the WLAN cables from their connectors on the WLAN card [1].
b Remove the screw that secures the WLAN card to the computer [2].
c Remove the WLAN card from the computer [3].
Installing the WLAN Card
1 Place the WLAN card into its slot on the computer.
2 Tighten the screw to secures the WLAN card to the computer.
3 Connect the WLAN cable their connectors on the WLAN card.
4 Install:
a base cover
b battery
5 Follow the procedures in After Working Inside Your computer.
Removing the Keyboard Trim
1 Follow the procedures in Before Working Inside Your Computer.
2 Remove the battery.
3 Using a plastic scribe, pry the keyboard trim from its edges to release it from the keyboard.
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Disassembly and reassembly
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4 Remove the keyboard trim from the keyboard.
Installing the Keyboard Trim
1 Insert the keyboard trim on the keyboard.
2 Press along the sides of the keyboard trim until it clicks in place.
3 Install the battery.
4 Follow the procedures in After Working Inside Your computer.
Removing the Keyboard
1 Follow the procedures in Before Working Inside Your Computer.
2 Remove:
a battery
b base cover
c keyboard trim
3 Perform the following steps as shown in the illustration:
a Peel the adhesive tape to access the keyboard cable [1].
b Disconnect the keyboard cables from their connectors on the system board [2] [3].
4 Flip the computer and remove the screws that secure the keyboard to the computer.
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5 Perform the following steps as shown in the illustration:
a Pry the keyboard to release it from the computer [1].
b Remove the keyboard from the computer [2].
Installing the Keyboard
1 Place the keyboard to align with the screw holders on the computer.
2 Tighten the screws to secure the keyboard to the computer.
3 Flip the computer and connect the keyboard cable to their connectors on the system board.
4 Install:
a keyboard trim
b base cover
c battery
5 Follow the procedures in After Working Inside Your computer.
Removing the Palmrest
1 Follow the procedures in Before Working Inside Your Computer.
2 Remove:
a battery
b base cover
c SSD card
d keyboard trim
Disassembly and reassembly
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e keyboard
3 Remove the screws that secure the palmrest and ip the computer.
4 Perform the following steps as shown in the illustration:
a Flip the computer.
b Disconnect the touch cables from their connectors on the system board [1] [2].
c Remove the screws that secure the palmrest to the computer [3].
5 Perform the following steps as shown in the illustration:
a Pry the edges of the palmrest [1].
b Remove the palmrest from the computer [2].
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Installing the Palmrest
1 Align the palmrest to its original position on the computer and until it snaps in its place.
2 Tighten the screws to secure the palmrest to the front of the computer.
3 Connect the touch cables to their connectors on the system board.
4 Flip the computer and tighten the screws to secure the palmrest to the computer.
5 Install:
a keyboard
b keyboard trim
c SSD card
d base cover
e battery
6 Follow the procedures in After Working Inside Your computer.
Removing the SIM Board
1 Follow the procedures in Before Working Inside Your Computer.
2 Remove:
a battery
b base cover
c SSD card
d keyboard trim
e keyboard
f palmrest
3 Perform the following steps as shown in the illustration:
a Disconnect the SIM board cable from its connector on the system board [1] [2].
b Remove the screw that secures the SIM board cable to the computer [3].
c Remove the SIM board from the computer [4].
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Installing the SIM Board
1 Place the SIM board on the computer.
2 Tighten the screw to secure the SIM board to the computer.
3 Connect the SIM board cable to its connector on the system board..
4 Install:
a plamrest
b keyboard
c keyboard trim
d SSD card
e base cover
f battery
5 Follow the procedures in After Working Inside Your computer.
Removing the Speakers
1 Follow the procedures in Before Working Inside Your Computer.
2 Remove:
a battery
b base cover
c keyboard trim
d keyboard
e SSD card
f palmrest
g SIM board
3 Perform the following steps as shown in the illustration:
a Disconnect the speaker cable from its connector on the system board [1].
b Release the speaker cable through its routing channel [2].
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4 Perform the following steps as shown in the illustration:
a Remove the screws that secure the speakers to the computer [1].
b Remove the speakers from the computer [2].
Installing the Speakers
1 Align the speakers to their original position and tighten the screws to secure the speakers to the computer.
2 Route the speaker cable through its routing channel.
3 Connect the speaker cable to its connector on the system board.
4 Install:
a SIM board
b plamrest
c keyboard
d keyboard trim
e SSD card
f base cover
g battery
5 Follow the procedures in After Working Inside Your computer.
Removing the Display-Hinge Cover
1 Follow the procedures in Before Working Inside Your Computer.
2 Remove:
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a battery
b base cover
c keyboard trim
d SSD card
e palmrest
3 Remove the screws that secure the display-hinge cover to the computer.
4 Perform the following steps as shown in the illustration:
a Remove the screws that secure the display hinge to the computer [1].
b Remove the display-hinge covers from the computer [2].
Installing the Display-Hinge Cover
1 Place the display-hinge cover and tighten the screws to secure the display-hinge cover to the computer.
2 Tighten the screws to secure the display-hinge cover to the computer.
3 Install:
a palmrest
b keyboard trim
c SSD card
d base cover
e battery
4 Follow the procedures in After Working Inside Your computer.
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Removing the Display Assembly
1 Follow the procedures in Before Working Inside Your Computer.
2 Remove:
a battery
b base cover
c keyboard trim
d keyboard
e SSD card
f palmrest
3 Disconnect the power-connector port cable from its connector on the system board..
4 Perform the following steps as shown in the illustration:
a Disconnect the WWAN and WLAN cables from their connectors on the WWAN and WLAN cards [1].
b Release the WWAN and WLAN cables from their routing channels [2].
5 Perform the following steps as shown in the illustration:
a Remove the screw that secures the display cable to the computer [1].
b Lift the tab to access the display cable [2].
c Disconnect the display cable from its connector on the system board [3].
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6 Perform the following steps as shown in the illustration:
a Pull the antenna cables from the holes on the base chassis that secure the display assembly to the computer [1] [2].
7 Perform the following steps as shown in the illustration:
a Remove the screws that secure the display assembly to the computer [1].
b Lift the display assembly to remove the computer [2].
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Installing the Display Assembly
1 Route the WWAN, WLAN and display-assembly cables through their respective routing channels on the base chassis and connect to
their connectors.
2 Place the display assembly onto their connectors.
3 Tighten the screws to secure the display assembly to the computer.
4 Place the metal bracket on the display-assembly cable and tighten the screw to secure the display assembly.
5 Install:
a palmrest
b keyboard
c keyboard trim
d SSD card
e base cover
f battery
6 Follow the procedures in After Working Inside Your computer.
Removing the System Board
1 Follow the procedures in Before Working Inside Your Computer.
2 Remove:
a battery
b base cover
c keyboard trim
d keyboard
e SSD card
f palmrest
g WWAN card
h WLAN card
i speaker
j hinge cover
k display assembly
3 Disconnect the power-connector cable from its connector on the system board.
4 Disconnect the speaker cable [1] and SIM board cable [2] [3] from their connectors on the system board.
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5 Perform the following steps as shown in the illustration:
a Remove the screws that secure the system board to the computer chassis [1].
b Remove the system board from the computer [2].
Installing the System Board
1 Align the system board on its place on the computer chassis.
2 Tighten the screws to secure the system board to the computer chassis.
3 Connect the speaker and SIM board cables to their connectors on the system board.
4 Connect the power-connector port cable to its connector on the system board.
5 Install:
a display assembly
b hinge cover
c speaker
d WLAN card
e WWAN card
f plamrest
g SSD card
h keyboard trim
i keyboard
j base cover
k battery
6 Follow the procedures in After Working Inside Your computer.
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Removing the Heatsink Assembly
1 Follow the procedures in Before Working Inside Your Computer.
2 Remove:
a battery
b base cover
c keyboard trim
d keyboard
e SSD card
f palmrest
g WWAN card
h WLAN card
i hinge cover
j SIM board
k display assembly
3 Disconnect the system-fan cable from its connector on the system board.
4 Perform the following steps as shown in the illustration:
a Remove the screws that secure the heatsink assembly to the system board [1].
b Remove the heatsink assembly from the system board [2].
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Disassembly and reassembly
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Installing the Heatsink Assembly
1 Place the heatsink assembly into its original position on the system board.
2 Tighten the screws to secure the heatsink assembly to the system board.
3 Connect the system-fan cable to its connector on the system board.
4 Install:
a display assembly
b SIM board
c hinge cover
d WLAN card
e WWAN card
f plamrest
g SSD card
h keyboard
i keyboard trim
j base cover
k battery
5 Follow the procedures in After Working Inside Your computer.
Removing the Coin-Cell Battery
1 Follow the procedures in Before Working Inside Your Computer.
2 Remove:
a battery
b base cover
c keyboard trim
d keyboard
e SSD card
f palmrest
g system board
3 Perform the following steps as shown in the illustration:
a Disconnect the coin-cell cable from its connector on the system board [1].
b Pry the coin-cell battery to remove from the system board [2].
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Installing the Coin-Cell Battery
1 Place the coin-cell battery on the system board.
2 Connect the coin-cell battery cable to the system board.
3 Install:
a system board
b plamrest
c SSD card
d keyboard trim
e keyboard
f base cover
g battery
4 Follow the procedures in After Working Inside Your computer.
28 Disassembly and reassembly
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System Setup
Topics:
• Boot Sequence
• Navigation Keys
• System Setup Options
• Updating the BIOS
• System and Setup Password
Boot Sequence
Boot Sequence allows you to bypass the System Setup‐dened boot device order and boot directly to a specic device (for example:
optical drive or hard drive). During the Power-on Self Test (POST), when the Dell logo appears, you can:
• Access System Setup by pressing <F2> key
• Bring up the one-time boot menu by pressing <F12> key
4
The one-time boot menu displays the devices that you can boot from including the diagnostic option. The boot-menu options are:
• Removable Drive (if available)
• STXXXX Drive
NOTE
: XXX denotes the SATA drive number.
• Optical Drive
• Diagnostics
NOTE
: Choosing Diagnostics, will display the ePSA diagnostics screen.
The boot sequence screen also displays the option to access the System Setup screen.
Navigation Keys
The following table displays the system setup navigation keys.
NOTE
: For most of the system setup options, changes that you make are recorded but do not take eect until you re-start the
system.
Table 1. Navigation Keys
Keys Navigation
Up arrow Moves to the previous eld.
Down arrow Moves to the next eld.
<Enter> Allows you to select a value in the selected eld (if applicable) or follow the link in the eld.
Spacebar Expands or collapses a drop‐down list, if applicable.
<Tab> Moves to the next focus area.
System Setup 29
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Keys Navigation
NOTE: For the standard graphics browser only.
<Esc> Moves to the previous page till you view the main screen. Pressing <Esc> in the main screen displays a message
that prompts you to save any unsaved changes and restarts the system.
<F1> Displays the System Setup help le.
System Setup Options
NOTE: Depending on the computer and its installed devices, the items listed in this section may or may not appear.
Table 2. General
Option Description
System Information This section lists the primary hardware features of your computer.
• System Information: Displays BIOS Version, Service Tag, Asset
Tag, Ownership Tag, Ownership Date, Manufacture Date, and
the Express Service Code.
• Memory Information: Displays Memory Installed, Memory
Available, Memory Speed, Memory Channels Mode, Memory
Technology, DIMM ASize, DIMM B Size,
• Processor Information: Displays Processor Type, Core Count,
Processor ID, Current Clock Speed, Minimum Clock Speed,
Maximum Clock Speed, Processor L2 Cache, Processor L3
Cache, HT Capable, and 64-Bit Technology.
• Device Information: Displays Primary Hard Drive, System eSATA
Device, Dock eSATA Device, LOM MAC Address, Video
Controller, Video BIOS Version, Video Memory, Panel Type,
Native Resolution, Audio Controller, Modem Controller, Wi-Fi
Device, WiGig Device, Cellular Device, Bluetooth Device.
Battery Information Displays the battery status and the type of AC adapter connected
to the computer.
Boot Sequence Allows you to change the order in which the computer attempts to
nd an operating system.
• Diskette Drive
• Internal HDD
• USB Storage Device
• CD/DVD/CD-RW Drive
• Onboard NIC
You can also choose the Boot List option. The options are:
• Legacy (Default Setting)
• UEFI
Advance Boot Option This option is required for Legacy boot mode. This option is not
allowed if Secure Boot is enabled.
• Enable Legacy Option ROMs — This option is disabled by
default.
Date/Time Allows you to set the date and time.
30 System Setup
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Table 3. System Conguration
Option Description
Integrated NIC Allows you to congure the integrated network controller. The
options are:
• Disabled
• Enabled
• Enabled w/PXE: This option is enabled by default.
• Enable UEFI Network Stack: This allows you to enable UEFI
Networking Protocols in pre-OS and early OS networking
environment.
Parallel Port Allows you to dene and set how the parallel port on the docking
station operates. You can set the parallel port to:
• Disabled
• AT
• PS2
• ECP
Serial Port Identies and denes the serial port settings. You can set the serial
port to:
• Disabled
• COM1 (Default Setting)
• COM2
• COM3
• COM4
NOTE: The operating system may allocate resources even
if the setting is disabled.
SATA Operation Allows you to congure the internal SATA hard-drive controller. The
options are:
• Disabled
• AHCI
• RAID On (Default Setting)
NOTE: SATA is congured to support RAID
mode.
Drives Allows you to congure the SATA drives on board. The options are:
• SATA-0
• SATA-1
• SATA-2
• SATA-3
Default Setting: All drives are enabled.
SMART Reporting This eld controls if the hard drive errors for the integrated drives
are reported during system startup. This technology is part of the
SMART (Self Monitoring Analysis and Reporting Technology)
specication.
• Enable SMART Reporting — This option is disabled by default.
USB Conguration Allows you to dene the USB conguration. The options are:
System Setup 31
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Option Description
• Enable Boot Support
• Enable External USB Port
• Enable USB3.0 Controller
Default Setting: All the options are enabled.
USB PowerShare Allows you to congure the behavior of the USB PowerShare
feature. This option is disabled by default.
• Enable USB PowerShare
Audio Allows you to enables or disables the integrated audio controller.
• Enable Audio This option is enabled by default.
Keyboard Illumination Allows you to choose the operating mode of the keyboard
illumination feature. The options are:
• Disabled (Default Setting)
• Dim
• Bright
Keyboard Backlight with AC Allows you to illumination and continue to support the various
illumination level.
Unobtrusive Mode Allows you to set the mode that will turn o all light and sound
emissions from the system. This option is disabled by default.
• Enable Unobtrusive Mode
Miscellaneous Devices Allows you enable or disable the various on-board devices. The
options are:
• Enable Microphone
• Enable Camera
• Enable Media Card
• Disable Media Card
Default Setting: All devices are enabled
Table 4. Video
Option Description
LCD Brightness Allows you to set the display brightness depending up on the power
source (On Battery and On AC).
Table 5. Security
Option Description
Admin Password This eld lets you set, change, or delete the administrator (admin)
password (sometimes called the setup password). The admin
password enables several security features.
32 System Setup
• Enter the old password
• Enter the new password
• Conrm the new password
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Option Description
Default Setting: Not set
System Password Allows you to set, change, or delete the system password.
• Enter the old password
• Enter the new password
• Conrm the new password
Default Setting: Not set
Internal HDD-1 Password Allows you to set, change, or delete the administrator (admin)
password.
By default, the drive will not have a password set
• Enter the old password
• Enter the new password
• Conrm the new password
Default Setting: Not set
Strong Password Allows you to enforce the option to always set strong passwords.
Default Setting: Enable Strong Password is not selected.
Password Conguration You can dene the length of your password. Min = 4 , Max = 32
Password Bypass Allows you to enable or disable the permission to bypass the system
and the Internal HDD password, when they are set. The options are:
• Disabled (Default Setting)
• Reboot bypass
Password Change Allows you to disable permission to the system and hard-drive
passwords when the admin password is set.
Default Setting: Allow Non-Admin Password Changes is not
selected
Non-Admin Setup Changes Allows you to determine whether changes to setup option are
permitted when an administrator password is set. The option is
disabled.
• Allows Wireless Switch Changes
TPM Security Allows you to enable the Trusted Platform Module (TPM) during
POST.
Default Setting: The option is disabled.
Computrace Allows you to activate or disable the optional Computrace software
The options are:
• Deactivate (Default Setting)
• Disable
• Activate
NOTE: The Activate and Disable options will permanently
activate or disable the feature and no further changes will
be allowed.
CPU XD Support Allows you to enable the Execute Disable mode of the processor.
Default Setting: Enable CPU XD Support
System Setup 33
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Option Description
OROM Keyboard Access Allows you to set access to enter the Option ROM Conguration
screens using hotkeys during boot process. The options are:
• Enable (Default Setting)
• One-Time Enable
• Disable
Admin Setup Lockout Allows you to prevent users from entering Setup when an
Administrator password is set.
Default Setting: Disabled
Table 6. Secure Boot
Option Description
Secure Boot Enable Allows you to enable or disable the Secure Boot feature.
• Disabled
• Enabled (Default Setting)
NOTE: To enable the Secure Boot, system needs to be
UEFI boot mode and enable legacy option ROMs must be
turned o.
Expert key Management Allows you to manipulate the security key databases only if the
system is in Custom Mode. The Enable Custom Mode option is
disabled by default. The options are:
• PK
• KEK
• db
• dbx
If you enable the Custom Mode, the relevant options for PK, KEK,
db, and dbx appear. The options are:
• Save to File- Saves the key to a user-selected le
• Replace from File- Replaces the current key with a key from a
user-selected le
• Append from File- Adds a key to the current database from a
user-selected le
• Delete- Deletes the selected key
• Reset All Keys- Resets to default setting
• Delete All Keys- Deletes all the keys
NOTE: If you disable the Custom Mode, all the changes
made will be erased and the keys will restore to default
settings.
Table 7. Performance
Option Description
Multi-Core Support This eld species whether the process will have one or all cores
enabled. The performance of some applications will improve with
the additional cores. This option is enabled by default. Allows you to
enable or disable multi-core support for the processor.
Intel SpeedStep Allows you to enable or disable the Intel SpeedStep feature.
34 System Setup
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Option Description
Default Setting: Enable Intel SpeedStep
C-States Control Allows you to enable or disable the additional processor sleep
states.
Default Setting: The option C-states is enabled.
Intel TurboBoost Allows you to enable or disable the Intel TurboBoost mode of the
processor.
Default Setting: Enable Intel TurboBoost
Hyper-Thread Control Allows you to enable or disable the HyperThreading in the
processor.
Default Setting: Enabled
Table 8. Power Management
Option Description
AC Behavior Allows the computer to power-on automatically, when AC adapter is
plugged. The option is disabled.
• Wake on AC
Auto On Time Allows you to set the time at which the computer must turn on
automatically. The options are:
• Disabled (Default Setting)
• Every Day
• Weekdays
• Select Days
USB Wake Support Allows you to enable the USB devices to wake the computer from
standby mode. The option is disabled
• Enable USB Wake Support
Wireless Radio Control Allows you to control the WLAN and WWAN radio. The options are:
• Control WLAN radio
• Control WWAN radio
Default Setting: Both the options are disabled.
Wake on LAN/WLAN This option allows the computer to power up from the o state
when triggered by a special LAN signal. Wake up from the Standby
state is unaected by this setting and must be enabled in the
operating system. This feature only works when the computer is
connected to AC power supply.
• Disabled - Does not allow the system to power on by special
LAN signals when it receives a wake-up signal from the LAN or
wireless LAN. (Default Setting)
• LAN Only - Allows the system to be powered on by special LAN
signals.
• WLAN Only
• LAN or WLAN
Block Sleep Allows you to block the computer from entering into the sleep state.
This option is disabled by default.
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Option Description
• Block Sleep (S3)
Peak Shift Peak Shift can be used to minimize AC consumption during peak
powers times of day. Set the start and end time to run in Peak Shift
mode.
• Enable Peak Shift (Disabled)
Advanced Battery Charge Conguration Allows batteries in the system in Advanced Battery Charge Mode to
maximize battery health. This uses standard charging algorithm and
other techniques during nonwork hours to maximize battery health
• Enable Advanced Battery Charge Mode (Disabled)
Primary Battery Conguration Allows you to dene how to use the battery charge, when AC is
plugged in. Note that ‘Advanced Battery Charge Mode’ must be
disabled in order to enable this option. The options are:
• Adaptive (Enabled)
• Standard Charge
• Express Charge
• Primary AC Use
• Custom Charge — you can set the percentage to which the
battery must charge.
Intel Smart Connect Technology This option is disabled by default. If option enables will periodically
sense nearby wireless connection while the system is asleep. It will
synchronize emails or social media application that were open when
system entered the sleep state.
• Smart Connection (Disabled)
Table 9. POST Behavior
Option Description
Adapter Warnings Allows you to activate the adapter warning messages when certain
power adapters are used. The option is enabled by default.
• Enable Adapter Warnings
Keypad (Embedded) Allows you to choose one of two mode. Enable the keypad that us
embedded in the internal keyboard.
• Fn Key Only
• By Numlock
NOTE: When setup is running, this option has no eect,
Setup works in the “Fn Key Only” mode.
Mouse/Touchpad Allows you to dene how the computer handles the mouse and
touchpad input. The options are:
• Serial Mouse
• PS2 Mouse
• Touchpad/PS-2 Mouse (Default Setting)
Numlock Enable Species if the NumLock function can be enabled when the
computer boots. This option is enabled by default.
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Option Description
• Enable Numlock
Fn Key Emulation Allows you to match the <Scroll Lock> key feature of PS-2
keyboard with the <Fn> key feature in an internal keyboard. The
option is enabled by default.
• Enable Fn Key Emulation
Fn Lock Option Allows you to hot keys combination toggle the primary behavior.
The option are:
• Fn Lock
• Lock Mode Disable/Standard
• Lock Mode Enable/Secondary
MEBx Hotkey Allows you to specify whether the MEBx Hotkey function should be
enabled when the system boots. The option is enabled by default.
Fastboot Allows you to speed up the boot process by by-passing some
compatibility steps.
• Minimal
• Thorough
• Auto
Extended BIOS POST Time Allows to creates an additional pre-boot delay and allows the user to
see POST status message.
• 0 seconds
• 5 seconds
• 10 seconds
Table 10. Virtualization Support
Option Description
Virtualization Allows you to enable or disable the Intel Virtualization Technology.
Default Setting: Enable Intel Virtualization Technology
VT for Direct I/O Enables or disables the Virtual Machine Monitor (VMM) from
utilizing the additional hardware capabilities provided by Intel®
Virtualization technology for direct I/O.Enable VT for Direct I/O —
This option is enabled by default.
Trusted Execution This option species whether a Measured Virtual Machine Monitor
(MVMM) can utilize the additional hardware capabilities provided by
Intel Trusted Execution Technology. The TPM virtualization
Technology, and Virtualization technology for direct I/O must be
enabled to use this feature.
Trusted Execution — disabled by default.
Table 11. Wireless
Option Description
Wireless Switch Allows you to determine which wireless device can be controlled by
the wireless switch. The options are:
• WWAN
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Option Description
• WLAN
• Bluetooth
• GPS (on WWAN Module)
All options are enabled by default.
Wireless Device Enable Allows you to enable or disable the wireless devices. The options
are:
• WWAN
• Bluetooth
• WLAN/WiGig
All options are enabled by default.
Table 12. Maintenance
Option Description
Service Tag Displays the service tag of your computer.
Asset Tag Allows you to create a system asset tag if an asset tag is not already
set. This option is not set by default.
Table 13. System Logs
Option Description
BIOS events Displays the system event log and allows you to clear the log.
• Clear Log
Thermal Events Displays the thermal event log and allows you to clear the log.
• Clear Log
Power Events Displays the power event log and allows you to clear the log.
• Clear Log
Updating the BIOS
It is recommended to update your BIOS (system setup), on replacing the system board or if an update is available. For laptops, ensure that
your computer battery is fully charged and connected to a power outlet
1 Re-start the computer.
2 Go to dell.com/support.
3 Enter the Service Tag or Express Service Code and click Submit.
: To locate the Service Tag, click Where is my Service Tag?
NOTE
NOTE: If you cannot nd your Service Tag, click Detect My Product. Proceed with the instructions on
screen.
4 If you are unable to locate or nd the Service Tag, click the Product Category of your computer.
5 Choose the Product Type from the list.
6 Select your computer model and the Product Support page of your computer appears.
7 Click Get drivers and click View All Drivers.
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The Drivers and Downloads page opens.
8 On the Drivers and Downloads screen, under the Operating System drop-down list, select BIOS.
9 Identify the latest BIOS le and click Download File.
You can also analyze which drivers need an update. To do this for your product, click Analyze System for Updates and follow the
instructions on the screen.
10 Select your preferred download method in the Please select your download method below window, click Download File.
The File Download window appears.
11 Click Save to save the le on your computer.
12 Click Run to install the updated BIOS settings on your computer.
Follow the instructions on the screen.
System and Setup Password
You can create a system password and a setup password to secure your computer.
Password Type Description
System password Password that you must enter to log on to your system.
Setup password Password that you must enter to access and make changes to the BIOS settings of your computer.
CAUTION: The password features provide a basic level of security for the data on your computer.
CAUTION: Anyone can access the data stored on your computer if it is not locked and left unattended.
NOTE: Your computer is shipped with the system and setup password feature disabled.
Assigning a System Password and Setup Password
You can assign a new System Password and/or Setup Password or change an existing System Password and/or Setup Password only
when Password Status is Unlocked. If the Password Status is Locked, you cannot change the System Password.
: If the password jumper is disabled, the existing System Password and Setup Password are deleted and you need not
NOTE
provide the system password to log on to the computer.
To enter a system setup, press <F2> immediately after a power-on or re-boot.
1 In the System BIOS or System Setup screen, select System Security and press <Enter>.
The System Security screen appears.
2 In the System Security screen, verify that Password Status is Unlocked.
3 Select System Password , enter your system password, and press <Enter> or <Tab>.
Use the following guidelines to assign the system password:
• A password can have up to 32 characters.
• The password can contain the numbers 0 through 9.
• Only lower case letters are valid, upper case letters are not allowed.
• Only the following special characters are allowed: space, (”), (+), (,), (-), (.), (/), (;), ([), (\), (]), (`).
Re-enter the system password when prompted.
4 Type the system password that you entered earlier and click OK.
5 Select Setup Password, type your system password and press <Enter> or <Tab>.
A message prompts you to re-type the setup password.
6 Type the setup password that you entered earlier and click OK.
7 Press <Esc> and a message prompts you to save the changes.
8 Press <Y> to save the changes.
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The computer reboots.
Deleting or changing an existing system and-or setup password
Ensure that the Password Status is Unlocked (in the System Setup) before attempting to delete or change the existing System and/or
Setup password. You cannot delete or change an existing System or Setup password, if the Password Status is Locked.
To enter the System Setup, press F2 immediately after a power-on or reboot.
1 In the System BIOS or System Setup screen, select System Security and press Enter.
The System Security screen is displayed.
2 In the System Security screen, verify that Password Status is Unlocked.
3 Select System Password, alter or delete the existing system password and press Enter or Tab.
4 Select Setup Password, alter or delete the existing setup password and press Enter or Tab.
NOTE: If you change the System and/or Setup password, re-enter the new password when promoted. If you delete the
System and/or Setup password, conrm the deletion when promoted.
5 Press Esc and a message prompts you to save the changes.
6 Press Y to save the changes and exit from System Setup.
The computer reboot.
40
System Setup
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5
Diagnostics
If you experience a problem with your computer, run the ePSA diagnostics before contacting Dell for technical assistance. The purpose of
running diagnostics is to test your computer's hardware without requiring additional equipment or risking data loss. If you are unable to x
the problem yourself, service and support personnel can use the diagnostics results to help you solve the problem.
Topics:
• Enhanced Pre-Boot System Assessment — ePSA diagnostics
• Device Status Lights
• Battery Status Lights
Enhanced Pre-Boot System Assessment — ePSA diagnostics
The ePSA diagnostics (also known as system diagnostics) performs a complete check of your hardware. The ePSA is embedded with the
BIOS and is launched by the BIOS internally. The embedded system diagnostics provides a set of options for particular devices or device
groups allowing you to:
• Run tests automatically or in an interactive mode
• Repeat tests
• Display or save test results
• Run thorough tests to introduce additional test options to provide extra information about the failed device(s)
• View status messages that inform you if tests are completed successfully
• View error messages that inform you of problems encountered during testing
CAUTION
results or error messages.
NOTE: Some tests for specic devices require user interaction. Always ensure that you are present at the computer terminal
when the diagnostic tests are performed.
: Use the system diagnostics to test only your computer. Using this program with other computers may cause invalid
Device Status Lights
Table 14. Device Status Lights
Turns on when you turn on the computer and blinks when the computer is in a power management mode.
Turns on when the computer reads or writes data.
Turns on steadily or blinks to indicate battery charge status.
Turns on when wireless networking is enabled.
The device status LEDs are usually located either on the top or left side of the keyboard. They display the storage, battery and wireless
devices connectivity and activity. Apart from that they can be useful as a diagnostic tool when there's a possible failure to the system.
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The following table lists how to read the LED codes when possible errors occur.
Table 15. LED Lights
Storage LED Power LED Wireless LED Fault Description
Blinking Solid Solid A possible processor failure has occurred.
Solid Blinking Solid The memory modules are detected but encountered an error.
Blinking Blinking Blinking A system board failure has occurred.
Blinking Blinking Solid A possible graphics card/video failure has occurred.
Blinking Blinking O System failed on hard drive initialization OR System failed in Option ROM
initialization.
Blinking O Blinking The USB controller encountered a problem during initialization.
Solid Blinking Blinking No memory modules are installed/detected.
Blinking Solid Blinking The display encountered a problem during initialization.
O Blinking Blinking The modem is preventing the system from completing POST
O Blinking O Memory failed to initialize or memory is unsupported.
Battery Status Lights
If the computer is connected to an electrical outlet, the battery light operates as follows:
Alternately blinking
amber light and
white light
Alternately blinking
amber light with
steady white light
Constantly blinking
amber light
Light o Battery in full charge mode with AC adapter present.
White light on Battery in charge mode with AC adapter present.
An unauthenticated or unsupported non-Dell AC adapter is attached to your laptop.
Temporary battery failure with AC adapter present.
Fatal battery failure with AC adapter present.
42 Diagnostics
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Specications
NOTE: Oerings may vary by region. The following specications are only those required by law to ship with your computer. For
more information about the conguration of your computer, go to Help and Support in your Windows operating system and
select the option to view information about your computer.
Table 16. System Information
Feature Specication
Chipset Wildcat Point LP
DRAM bus width 64-bit
Flash EPROM SPI 32 Mbits, 64 Mbits
PCIe bus 100 MHz
External Bus Frequency DMI (5GT/s)
Table 17. Processor
6
Feature Specication
Types Intel Core i3 / i5 / i7
L3 cache 3 MB, 4MB, 6 MB, and 8 MB
Table 18. Memory
Feature Specication
Memory connector Two SODIMM slots
Memory capacity 2GB, 4GB, or 8GB
Memory type DDR3L SDRAM (1600MHz)
Minimum memory 2 GB
Maximum memory 16 GB
Table 19. Audio
Feature Specication
Type Four-channel high-denition audio
Controller:
Latitude E7250 Realtek ALC3235
Latitude 7250 Realtek AL3234
Stereo conversion 24-bit (analog-to-digital and digital-to-analog)
Interface:
Specications 43
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Feature Specication
Internal High-denition audio
External Microphone-in, stereo headphones, and headset combo connector
Speakers Two
Internal speaker amplier 2 W (RMS) per channel
Volume controls Hot keys
Table 20. Video
Feature Specication
Type Integrated on system board
Controller:
UMA Intel HD Graphics 5500
Data bus PCI-E Gen2 x4
External display support
Table 21. Camera
Features Specication
HD camera resolution 1280 x 720 pixels (Non Touch)
FHD camera resolution 1920 x 1080 pixels (Touch)
Video Resolution (maximum) 1280 x 720 pixels
Diagonal viewing angle 74 °
Table 22. Communications
Features Specication
Network adapter 10/100/1000 Mb/s Ethernet (RJ-45)
Wireless Internal wireless local area network (WLAN) and wireless wide area network
• one HDMI
• one mDP
NOTE: Supports one VGA, two DP/DVI ports through Docking
station.
(WWAN)
• Bluetooth 4.0
Table 23. Ports and Connectors
Features Specication
Audio One microphone/stereo headphone/speakers connector
Video
44 Specications
• one HDMI
• one mDP
Page 45
Features Specication
Network adapter RJ-45 connector
USB 3.0 One USB 3.0, one PowerShare
Memory card reader Support upto SD4.0
Micro Subscriber Identity Module (uSIM) card One
Docking port One
Table 24. Display
Feature Specication
Latitude 7250
Type HD FHD W/Touch
Dimensions:
Height 181.4 mm (7.14 inches) 194.9 mm (7.67 inches)
Width 290.5 mm (11.4 inches) 302.8 mm (11.9 inches)
Diagonal 3.0 mm (0.1 inch) 5.95 mm (0.23 inch)
Maximum resolution 1366 x 768 1920 x 1080
Refresh rate 60 Hz/48 Hz 60 Hz/48 Hz
Minimum Viewing Angles:
Horizontal +/-40° +/-80°
Vertical +10°/-30° +/-80°
Pixel pitch 0.2025 x 0.2025 0.144 x 0.144
Table 25. Keyboard
Feature Specication
Number of keys United States: 82 keys, United Kingdom: 83 keys, Brazil: 84 keys, and Japan:
86keys
Table 26. Touchpad
Feature Specication
Latitude 7250
Active Area:
X-axis 99.5 mm
Y-axis 53.0 mm
Table 27. Battery
Feature Specication
Type
• 3-cell Lithium Polymer battery with ExpressCharge
Specications 45
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Feature Specication
• 4-cell Lithium Polymer battery with ExpressCharge
Dimensions: Latitude 7250
3–cell/4–cell
Depth 80.75 mm (3.18 inches)
Height 7.20 mm (0.28 inch)
Width 282.00 mm (11.10 inches)
Weight:
3-cell 250.00 g (0.55 lb)
4–cell 300.00 g (0.66 lb)
Voltage
3-cell 11.10 VDC
4–cell 7.40 VDC
Life span 300 discharge/charge cycles
Temperature range:
Operating
Charge: 0 °C to 50 °C (32 °F to 158 °F)
Discharge: 0 °C to 70 °C ( 32 °F to 122 °F)
Non-Operating –20 °C to 65 °C (4 °F to 149 °F)
Coin-cell battery 3 V CR2032 lithium coin cell
Table 28. AC Adapter
Feature Specication
Type 65 W and 90 W
Input voltage 90 VAC to 264 VAC
Input current (maximum) 1.50 A
Input frequency 47 Hz to 63 Hz
Output power 65 W and 90 W
Output current 3.34 A and 4.62 A
Rated output voltage 19.5 VDC
Weight 230 g (65 W) and 285 g (90 W)
Dimensions 107x46x29.5 mm (65W) / 130x66 x22 mm (90W)
Temperature range:
Operating 0 °C to 40 °C (32 °F to 104 °F)
Non-Operating –40 °C to 70 °C (–40 °F to 158 °F)
46 Specications
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Table 29. Physical
Feature Latitude 7250 Non-Touch Latitude 7250 Touch
Front
Height
Back
Height
Width 310.5 mm (12.22 inches)
Depth 211.0 mm (8.3 inches)
Weight
(with 3cell
battery)
Light Weight Congurable Items:
Weight
Bound
Weight
Target
Table 30. Environmental
Feature Specication
Temperature:
17.8 mm ( 0.70 inch) 17.8 mm ( 0.70 inch)
19.4 mm (0.7 inch) 21.0 mm (0.8 inch)
1.26 kg (2.79lb) 1.45 kg (3.21lb)
1.42 kg (3.13lb) 1.57 kg (3.47lb)
1.32 kg (2.91lb) 1.52 kg (3.37lb)
Operating 0 °C to 60 °C (32 °F to 140 °F)
Storage –51 °C to 71 °C (–59 °F to 159 °F)
Relative humidity (maximum):
Operating 10 % to 90 % (non condensing)
Storage 5 % to 95 % (non condensing)
Altitude (maximum):
Operating
Non-Operating –15.24 m to 10,668 m (–50 ft to 35,000 ft)
Airborne contaminant level G2 or lower as dened by ISA S71.04–1985
–15.2 m to 3048 m (–50 to 10,000 ft)
0° to 35°C
Specications
47
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7
Contacting Dell
NOTE: If you do not have an active internet connection, you can nd the contact information on your purchase invoice, packing
slip, bill, or Dell product catalog.
Dell provides several online and telephone-based support and service options. Availability varies by country and product, and some services
may not be available in your area. To contact Dell for sales, technical support, or customer service issues:
Go to Dell.com/contactdell.
48 Contacting Dell
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