Dell 24GBRL, 24CLNS User Manual
Adding and Replacing Parts
Before You Begin
This chapter provides procedures for removing and installing the components in your computer.
Unless otherwise noted, each procedure assumes that the following conditions exist:
• You have performed the steps in "Turning Off Your Computer" on page 85 and "Before
Working Inside Your Computer" on page 85.
• You have read the safety information in your Dell™
• A component can be replaced by performing the removal procedure in reverse order.
Recommended Tools
The procedures in this document may require the following tools:
• Small flat-blade screwdriver
• Phillips screwdriver
• Flash BIOS update program floppy disk or CD
Turning Off Your Computer
NOTICE: To avoid losing data, save and close any open files and exit any open programs before you turn
off your computer.
Shut down the operating system:
1
a
Save and close any open files, exit any open programs, click the
click
Turn Off Computer
b
In the
Turn off computer
The computer turns off after the operating system shutdown process finishes.
.
window, click
Turn off
Product Information Guide.
Start
button, and then
.
2
Ensure that the computer and any attached devices are turned off. If your computer and
attached devices did not automatically turn off when you shut down your operating system,
press and hold the power button for 4 seconds.
Before Working Inside Your Computer
Use the following safety guidelines to help protect your computer from potential damage and to
help ensure your own personal safety.
Adding and Replacing Parts 85
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the
Product Information Guide.
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.
NOTICE: Only a certified service technician should perform repairs on your computer. Damage due to
servicing that is not authorized by Dell is not covered by your warranty.
NOTICE: When you disconnect a cable, pull on its connector or on its strain-relief loop, not on the cable
itself. Some cables have a connector 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
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connectors are correctly oriented and aligned.
NOTICE: To avoid damaging the computer, perform the following steps before you begin working inside
the computer.
Ensure that the work surface is flat and clean to prevent the computer cover from being
1
scratched.
2
Turn off your computer (see page 85).
NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it
from the network wall jack.
Disconnect any telephone or telecommunication lines from the computer.
3
4
Disconnect your computer and all attached devices from their electrical outlets, and then
press the power button to ground the system board.
NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into
the computer.
Remove any installed PC Cards from the PC Card slot.
5
6
Close the display and turn the computer upside down on a flat work surface.
NOTICE: To avoid damaging the system board, you must remove the main battery before you service the
computer.
Slide and hold the battery-bay latch release on the bottom of the computer, and then remove
7
the battery from the bay.
86 Adding and Replacing Parts
8
Remove any installed modules.
Memory
You can increase your computer memory by installing memory modules on the system board. See
"Specifications" on page 101 for information on the memory supported by your computer. Install
only memory modules that are intended for your computer.
NOTE: Memory modules purchased from Dell are covered under your computer warranty.
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions
located in the Product Information Guide.
1
Follow the procedures in "Before You Begin" on page 85.
2
Turn the computer over, loosen the captive screws on the memory module cover, and then
remove the cover.
Adding and Replacing Parts 87
NOTICE: To prevent damage to the memory module connector, do not use tools to spread the memory-
module securing clips.
3
If you are replacing a memory module, remove the existing module:
a
Use your fingertips to carefully spread apart the securing clips on each end of the memory
module connector until the module pops up.
b
Remove the module from the connector.
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4
Ground yourself and install the new memory module:
NOTE: If the memory module is not installed properly, the computer may not boot properly. No error
message indicates this failure.
a
Align the notch in the module edge connector with the tab in the connector slot.
b
Slide the module firmly into the slot at a 45-degree angle, and rotate the module down
until it clicks into place. If you do not feel the click, remove the module and reinstall it.
88 Adding and Replacing Parts
5
Replace the cover.
NOTICE: If the cover is difficult to close, remove the module and reinstall it. Forcing the cover to close
may damage your computer.
Insert the battery into the battery bay, or connect the AC adapter to your computer and an
6
electrical outlet.
7
Turn on the computer.
As the computer boots, it detects the additional memory and automatically updates the system
configuration information.
To confirm the amount of memory installed in the computer, click the
Support
, and then click
Computer Information
.
Start
button, click
Help and
Modem
If you ordered the optional modem at the same time that you ordered your computer, the modem
is already installed
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions
located in the Product Information Guide.
1
Follow the procedures in "Before You Begin" on page 85.
2
Turn the computer over and loosen the captive screws on the Mini PCI card and modem
cover.
3
Place your finger under the cover at the indentation and lift the cover open.
Adding and Replacing Parts 89
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4
If a modem is not already installed, go to step 5. If you are replacing a modem, remove the
existing modem:
a
Remove the screws securing the modem to the system board, and set them aside.
b
Pull straight up on the attached pull-tab to lift the modem out of its connector on the
system board, and disconnect the modem cable.
90 Adding and Replacing Parts
5
Connect the modem cable to the modem.
NOTICE: The connectors are keyed to ensure correct insertion. If you feel resistance, check the
connectors and realign the card.
Align the modem with the screw holes and press the modem into the connector on the system
6
board.
7
Install the screws to secure the modem to the system board.
8
Replace the cover.
Mini PCI Card
NOTE: 2.4-GHz Mini PCI cards may be removed and installed by the user.
If you ordered a Mini PCI card with your computer, the card is already installed.
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions
located in the Product Information Guide.
Follow the procedures in "Before You Begin" on page 85.
1
2
Turn the computer over.
3
loosen the captive screws on the cover, and remove the cover.
Adding and Replacing Parts 91
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92 Adding and Replacing Parts
4
If a Mini PCI card is not already installed, go to step 5. If you are replacing a Mini PCI card,
remove the existing card:
a
Disconnect the Mini PCI card from any attached cables.
b
Release the Mini PCI card by spreading the metal securing tabs until the card pops up
slightly.
c
Lift the Mini PCI card out of its connector.
NOTICE: The connectors are keyed to ensure correct insertion. If you feel resistance, check the
connectors and realign the card.
Align the Mini PCI card with the connector at a 45-degree angle, and press the Mini PCI card
5
into the connector until you hear a click.
Adding and Replacing Parts 93
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NOTICE: To avoid damaging the Mini PCI card, never place cables on top of or under the card.
6
Connect the antenna cables to the connectors on the Mini PCI card.
94 Adding and Replacing Parts
7
Replace the cover and tighten the screws.
Adding and Replacing Parts 95
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96 Adding and Replacing Parts
Appendix
Specifications
Processor
Processor type Intel
External bus frequency 400 MHz
System Information
System chipset Intel 855GME
Data bus width 64 bits
DRAM bus width 64 bits
Processor address bus width 32 bits
Flash EPROM 4 MB
Graphics bus 64 bits
PCI bus 32 bits
PC Card
CardBus controller Texas Instruments PCI 7420 CardBus
PC Card connector one (supports one Type I or Type II card)
Cards supported 3.3 V and 5 V
PC Card connector size 68 pins
Data width (maximum) PCMCIA 16 bits
®
Pentium® M or Intel Celeron® M
processor
controller
CardBus 32 bits
Memory
Memory module connector two SODIMM sockets (one user-accessible
socket)
Memory module capacities 128, 256, 512 MB, and 1 GB
Appendix 101
Memory (continued)
Memory type 3.3-V DDR SODIMM
Minimum memory 256 MB
Maximum memory 2 GB
Ports and Connectors
Video 15-hole connector
Audio microphone connector, stereo
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USB (2) 4-pin USB 2.0-compliant connector
Modem RJ-11 port
Network adapter RJ-45 port
IEEE 1394 4-pin serial connector
S-video TV-out 7-pin mini-DIN connector
Mini PCI Type IIIA Mini PCI card slot
Secure Digital SD slot
Communications
Modem:
Type
Controller
Interface
Network adapter 10/100 EthernetLAN on system board
Wireless internal Mini PCI Wi-Fi support
headphone/speakers connector
v.92 56K MDC
softmodem
internal AC’97 bus
Video
Video type Intel UMA integrated
Video controller Intel 855GME integrated chip set
Video memory Digital Video Memory (DVM) technology;
LCD interface LVDS
TV support NTSC or PAL in S-video mode
102 Appendix
up to 64-MB shared memory
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