3 Specifications of XPS 7390..........................................................................................................10
Dimensions and weight........................................................................................................................................................10
Ports and connectors........................................................................................................................................................... 11
Power adapter......................................................................................................................................................................15
5 Getting help and contacting Dell..................................................................................................20
Contents3
Page 4
Set up your XPS 7390
NOTE: The images in this document may differ from your computer depending on the configuration you ordered.
1. Connect the power adapter to the primary Thunderbolt 3 (USB Type-C) port with Power Delivery (the USB Type-C port adjacent to
the power-adapter port) and press the power button.
1
NOTE: To conserve battery power, the battery might enter power saving mode. Connect the power adapter and
press the power button to turn on the computer.
2. Finish operating system setup.
For Ubuntu:
Follow the on-screen instructions to complete the setup. For more information about installing and configuring Ubuntu, see the
knowledge base articles
For Windows:
Follow the on-screen instructions to complete the setup. When setting up, Dell recommends that you:
•Connect to a network for Windows updates.
NOTE:
prompted.
•If connected to the internet, sign-in with or create a Microsoft account. If not connected to the internet, create an offline account.
•On the Support and Protection screen, enter your contact details.
3. Locate and use Dell apps from the Windows Start menu—Recommended
Table 1. Locate Dell apps
ResourcesDescription
If connecting to a secured wireless network, enter the password for the wireless network access when
SLN151664 and SLN151748 at www.dell.com/support.
My Dell
Centralized location for key Dell applications, help articles, and other important information about your
computer. It also notifies you about the warranty status, recommended accessories, and software updates
if available.
4Set up your XPS 7390
Page 5
ResourcesDescription
SupportAssist
Pro-actively checks the health of your computer’s hardware and software. The SupportAssist OS Recovery
tool troubleshoots issues with the operating system. For more information, see the SupportAssist
documentation at
NOTE: In SupportAssist, click the warranty expiry date to renew or upgrade your warranty.
Dell Update
Updates your computer with critical fixes and latest device drivers as they become available. For more
information about using Dell Update, see the knowledge base article SLN305843 at www.dell.com/support.
Dell Digital Delivery
Download software applications, which are purchased but not pre-installed on your computer. For more
information about using Dell Digital Delivery, see the knowledge base article 153764 at www.dell.com/
support.
www.dell.com/support.
Set up your XPS 73905
Page 6
Front
1. Power and battery-status light
Indicates the power state and battery state of the computer.
Solid white—Power adapter is connected and the battery is charging.
Solid amber—Battery charge is low or critical.
Off—Battery is fully charged.
2
Views of XPS 7390
NOTE:
information, see the
2. Microphones (4)
Provide digital sound input for audio recording, voice calls, and so on.
On certain computer models, the power and battery-status light is also used for system diagnostics. For more
Troubleshooting
section in your computer’s
Service Manual
.
Right
1. Right speaker
Provides audio output.
2. microSD-card slot
Reads from and writes to the microSD card. The computer supports the following card types:
•microSecure Digital (SD)
•microSecure Digital High Capacity (SDHC)
•microSecure Digital Extended Capacity (SDXC)
3. USB 3.1 Gen 2 (Type-C) port with Power Delivery/DisplayPort
Connect peripherals such as external storage devices, printers, and external displays.
Supports Power Delivery that enables two-way power supply between devices. Provides up to 7.5 W power output that enables faster
charging.
NOTE:
3.0 accessories to USB (Type-C) ports on your computer.
NOTE: A USB Type-C to DisplayPort adapter (sold separately) is required to connect a DisplayPort device.
4. Headset port
Connect headphones or a headset (headphone and microphone combo).
6Views of XPS 7390
The Dell Adapter USB-C to USB-A 3.0 is shipped with this computer. Use this adapter to connect legacy USB
Page 7
Left
1. Security-cable slot (wedge-shaped)
Connect a security cable to prevent unauthorized movement of your computer.
2. Thunderbolt 3 (USB Type-C) port with Power Delivery (Primary)
Supports USB 3.1 Gen 2 Type-C, DisplayPort 1.2, Thunderbolt 3 and also enables you to connect to an external display using a display
adapter. Provides data transfer rates of up to 10 Gbps for USB 3.1 Gen 2 and up to 40 Gbps for Thunderbolt 3. Supports Power
Delivery that enables two-way power supply between devices. Provides up to 5 V/3 A power output that enables faster charging.
NOTE:
NOTE: This is the primary port for power supply. Connect the power adapter to this Thunderbolt 3 (USB Type-C)
port with Power Delivery.
3. Thunderbolt 3 (USB Type-C) port with Power Delivery
Supports USB 3.1 Gen 2 Type-C, DisplayPort 1.2, Thunderbolt 3 and also enables you to connect to an external display using a display
adapter. Provides data transfer rates up to 10 Gbps for USB 3.1 Gen 2 and up to 40 Gbps for Thunderbolt 3. Supports Power Delivery
that enables two-way power supply between devices. Provides up to 5 V/3 A power output that enables faster charging.
A USB Type-C to DisplayPort adapter (sold separately) is required to connect to a DisplayPort device.
NOTE:
4. Battery-charge status button
Press to check the charge remaining in the battery.
5. Battery-charge status lights (5)
Turns on when the battery-charge status button is pressed. Each light indicates approximately 20% charge.
6. Left speaker
Provides audio output.
A USB Type-C to DisplayPort adapter (sold separately) is required to connect a DisplayPort device.
Base
1. Touchpad
Move your finger on the touchpad to move the mouse pointer. Tap to left-click and two finger tap to right-click.
2. Left-click area
Press to left-click.
3. Right-click area
Press to right-click.
Views of XPS 7390
7
Page 8
4. Power button with optional fingerprint reader
Press to turn on the computer if it is turned off, in sleep state, or in hibernate state.
When the computer is turned on, press the power button to put the computer into sleep state; press and hold the power button for 10
seconds to force shut-down the computer.
Press and hold power button over 25 seconds to reset RTC battery if encounter no post issue.
If the power button has a fingerprint reader, place your finger on the power button to log in.
NOTE: You can customize power-button behavior in Windows. For more information, see
www.dell.com/support/manuals.
NOTE: The power-status light on the power button is available only on computers without the fingerprint reader.
Computers shipped with the fingerprint reader integrated on the power button will not have the power-status light
on the power button.
Display
Me and My Dell
at
1. Camera
Enables you to video chat, capture photos, and record videos.
2. Camera-status light
Turns on when the camera is in use.
8
Views of XPS 7390
Page 9
Bottom
1. Service Tag
The Service Tag is a unique alphanumeric identifier that enables Dell service technicians to identify the hardware components in your
computer and access warranty information.
Views of XPS 7390
9
Page 10
Specifications of XPS 7390
Dimensions and weight
Table 2. Dimensions and weight
DescriptionValues
Height:
3
Front
Rear
Width
Depth
Weight (maximum)
7.80 mm (0.31 in.)
11.63 mm (0.46 in.)
301.76 mm (11.88 in.)
199.24 mm (7.84 in.)
1.29 kg (2.84 lb)
NOTE: The weight of your computer depends on the configuration
ordered and the manufacturing variability.
Processors
Table 3. Processors
DescriptionValues
Processors
Wattage
Core count
10th Generation Intel Core
i3-10110U
15 W15 W15 W15 W
2446
10th Generation Intel Core
i5-10210U
10th Generation Intel Core
i7-10510U
10th Generation Intel Core
i7-10710U
Thread count
Speed
Cache
Integrated graphics
48812
Up to 4.1 GHzUp to 4.2 GHzUp to 4.9 GHzUp to 4.6 GHz
system board. If the memory modules are
malfunctioning and need to be replaced, a replacement
of the system board is necessary.
Type
Speed
Maximum memory
Minimum memory
Configurations supported
Ports and connectors
Table 6. External ports and connectors
External:
USB
Audio
Video
Dual-channel LPDDR3
2133 MHz
16 GB
4 GB
•4 GB LPDDR3 at 2133 MHz (2 x 2 GB)
•8 GB LPDDR3 at 2133 MHz (2 x 4 GB)
•16 GB LPDDR3 at 2133 MHz (2 x 8 GB)
•Two USB Thunderbolt 3 (Type-C) ports with Power Delivery
•One USB 3.1 Gen 2 (Type-C) port with Power Delivery/
DisplayPort
One headset (headphone and microphone combo) port
DisplayPort (DP) 1.2 support through a USB Type-C connector
Media card reader
Docking port
Power adapter port
One microSD-card slot
Not applicable
DC-IN through a USB Type-C connector
Specifications of XPS 739011
Page 12
External:
Security
Table 7. Internal ports and connectors
Internal:
M.2
One security-cable slot (wedge-shaped)
One M.2 2230/2280 slot for solid-state drive
Communications
Wireless module
Table 8. Wireless module specifications
DescriptionValues
Model number
Transfer rate
Frequency bands supported
Wireless standards
Rivet Killer AX1650W
Up to 2400 Mbps
2.4 GHz/5 GHz
•WiFi 802.11a/b/g
•Wi-Fi 4 (WiFi 802.11n)
•Wi-Fi 5 (WiFi 802.11ac)
•Wi-Fi 6 (WiFi 802.11ax)
NOTE: To learn more about the features of different
types of M.2 cards, see the knowledge base article
SLN301626.
Encryption
Bluetooth
•64-bit/128-bit WEP
•AES-CCMP
•TKIP
Bluetooth 5 (Windows 10 supports Bluetooth 5 with the latest
Windows update)
Audio
Table 9. Audio specifications
DescriptionValues
Controller
Stereo conversion
Internal interface
External interface
Speakers
Internal speaker amplifier
Realtek ALC3271-CG with Waves MaxxAudio Pro
Supported
High Definition Audio
7.1 channel output, universal audio jack supports microphone-in,
stereo headphones, and headset combo
Two
Supported (audio codec built-in amplifier)
External volume controls
12Specifications of XPS 7390
Keyboard shortcut controls
Page 13
DescriptionValues
Speaker output:
Average
Peak
Subwoofer output
Microphone
2 W
2.5 W
Not supported
Dual-array microphones
Storage
Your computer supports one M.2 2230/2280 solid-state drive (either PCIe/NVMe or SATA).
NOTE: The M.2 2230 and M.2 2280 solid-state drives each has a unique thermal plate. The thermal plates cannot be
interchanged.
Table 10. Storage specifications
Storage typeInterface typeCapacity
M.2 2230 solid-state drivePCIe NVMe Gen3 x2 NVMe, up to 32
Gbps
M.2 2280 solid-state drivePCIe Gen3 x4 NVMe, up to 32 GbpsUp to 2 TB
Up to 256 GB
Media-card reader
Table 11. Media-card reader specifications
DescriptionValues
Type
Cards supported
One microSD-card slot
•Micro Secure Digital (mSD)
•Micro Secure Digital High Capacity (mSDHC)
•Micro Secure Digital Extended Capacity (mSDXC)
Keyboard
Table 12. Keyboard specifications
DescriptionValues
Type
Layout
Number of keys
Size
Backlit keyboard
QWERTY
•United States and Canada: 82 keys
•United Kingdom: 83 keys
•Japan: 86 keys
X=19.05 mm key pitch
Y=18.05 mm key pitch
Specifications of XPS 739013
Page 14
DescriptionValues
Shortcut keys
Some keys on your keyboard have two symbols on them. These
keys can be used to type alternate characters or to perform
secondary functions. To type the alternate character, press Shift
and the desired key. To perform secondary functions, press Fn and
the desired key.
NOTE: You can define the primary behavior of the
function keys (F1–F12) changing Function Key Behavior
in BIOS setup program.
Keyboard shortcuts
See
Camera
Table 13. Camera specifications
DescriptionValues
Number of cameras
Type
Location
Sensor type
Resolution:
One
Fixed-focus lens
Top-mount front camera
CMOS sensor technology
Still image
Video
Diagonal viewing angle
Touchpad
Table 14. Touchpad specifications
DescriptionValues
Resolution:
Horizontal
Vertical
Dimensions:
Horizontal
Vertical
305
305
105 mm (4.13 in.)
65 mm (2.56 in.)
0.9 megapixel (HD)
1280 x 720 (HD) at 30 fps
78 degrees
Touchpad gestures
For more information about touchpad gestures for Windows 10, see the Microsoft knowledge base article 4027871 at
support.microsoft.com.
14
Specifications of XPS 7390
Page 15
Power adapter
Table 15. Power adapter specifications
DescriptionValues
Type
Input voltage
Input frequency
Input current (maximum)
Output current (continuous)
Rated output voltage
Temperature range:
Operating
Storage
Battery
Table 16. Battery specifications
SFF 45 W (USB Type-C)
100 VAC–240 VAC
50 Hz–60 Hz
1.30 A
•20 VDC/2.25A
•15 VDC/3 A
•9 VDC/3 A
•5 VDC/3 A
20 VDC/15 VDC/9 VDC/5 VDC
0°C to 40°C (32°F to 104°F)
-40°C to 70°C (-40°F to 158°F)
DescriptionValues
Type
Voltage
Weight (maximum)
Dimensions:
Height
Width
Depth
Temperature range:
Operating
Storage
Operating timeVaries depending on operating conditions and can significantly
Charging time (approximate)
4-cell "smart" lithium-ion (52 WHr)
7.60 VDC
0.22 kg (0.49 lb)
257.60 mm (10.14 in.)
98.60 mm (3.88 in.)
4.30 mm (0.17 in.)
0°C to 35°C (32°F to 95°F)
-40°C to 65°C (-40°F to 149°F)
reduce under certain power-intensive conditions.
4 hours (when the computer is off)
NOTE: Control the charging time, duration, start and end
time, and so on using the Dell Power Manager
application. For more information on the Dell Power
Manager see,
Me and My Dell
on https://www.dell.com/
Specifications of XPS 739015
Page 16
DescriptionValues
Life span (approximate)300 discharge/charge cycles
Coin-cell battery
Operating timeVaries depending on operating conditions and can significantly
ML1220
reduce under certain power-intensive conditions.
Display
Table 17. Display specifications
DecsriptionValues
Type
Panel technology
Luminance (typical)
Dimensions (active area):
Height
Width
Diagonal
Native resolution
Full High Definition (FHD)Full High Definition (FHD)Ultra High Definition (UHD)
Intel UHD GraphicsDisplayPort (DP) 1.2 support through a USB
Type-C connector
Not supported
Shared system memory10th Generation Intel
Not supported
Core i3/i5/i7
Computer environment
Airborne contaminant level: G1 as defined by ISA-S71.04-1985
Table 21.
DescriptionOperatingStorage
Temperature range
Relative humidity (maximum)
Vibration (maximum)
Shock (maximum)
Altitude (maximum)
* Measured using a random vibration spectrum that simulates user environment.
† Measured using a 2 ms half-sine pulse when the hard drive is in use.
Computer environment
*
0°C to 35°C (32°F to 95°F)-40°C to 65°C (-40°F to 149°F)
10% to 90% (non-condensing)0% to 95% (non-condensing)
0.66 GRMS1.30 GRMS
110 G†160 G†
-15.2 m to 3048 m (4.64 ft to 5518.4 ft)-15.2 m to 10668 m (4.64 ft to 19234.4 ft)
Specifications of XPS 7390
17
Page 18
4
Keyboard shortcuts
NOTE: Keyboard characters may differ depending on the keyboard language configuration. Keys used for shortcuts
remain the same across all language configurations.
Some keys on your keyboard have two symbols on them. These keys can be used to type alternate characters or to perform secondary
functions. The symbol shown on the lower part of the key refers to the character that is typed out when the key is pressed. If you press
shift and the key, the symbol shown on the upper part of the key is typed out. For example, if you press 2, 2 is typed out; if you press
Shift + 2, @ is typed out.
The keys F1-F12 at the top row of the keyboard are function keys for multi-media control, as indicated by the icon at the bottom of the
key. Press the function key to invoke the task represented by the icon. For example, pressing F1 mutes the audio (refer to the table
below).
However, if the function keys F1-F12 are needed for specific software applications, multi-media functionality can be disabled by pressing
Fn + Esc. Subsequently, multi-media control can be invoked by pressing Fn and the respective function key. For example, mute audio by
pressing Fn + F1.
NOTE: You can also define the primary behavior of the function keys (F1–F12) by changing Function Key Behavior in
BIOS setup program.
Table 22. List of keyboard shortcuts
Function keyRe-defined key (for multi-media control)Behavior
Mute audio
Decrease volume
Increase volume
Play previous track/chapter
Play/Pause
Play next track/chapter
Task view
Switch to external display
Search
Toggle keyboard backlight (optional)
The Fn key is also used with selected keys on the keyboard to invoke other secondary functions.
18Keyboard shortcuts
Print screen
Insert
Page 19
Table 23. List of keyboard shortcuts
Function keyBehavior
Pause/Break
Toggle scroll lock
Toggle between power and battery-status light/hard-drive activity
light
System request
Open application menu
Toggle Fn-key lock
Page up/increase brightness
Page down/decrease brightness
Keyboard shortcuts19
Page 20
Getting help and contacting Dell
Self-help resources
You can get information and help on Dell products and services using these self-help resources:
Table 24. Self-help resources
Self-help resourcesResource location
Information about Dell products and serviceswww.dell.com
My Dell
Tips
Contact SupportIn Windows search, type Contact Support, and press Enter.
Online help for operating systemwww.dell.com/support/windows
www.dell.com/support/linux
5
Troubleshooting information, user manuals, setup instructions,
product specifications, technical help blogs, drivers, software
updates, and so on.
Dell knowledge base articles for a variety of computer concerns.
Learn and know the following information about your product:
•Product specifications
•Operating system
•Setting up and using your product
•Data backup
•Troubleshooting and diagnostics
•Factory and system restore
•BIOS information
Contacting Dell
To contact Dell for sales, technical support, or customer service issues, see www.dell.com/contactdell.
NOTE:
NOTE: If you do not have an active internet connection, you can find contact information on your purchase invoice,
packing slip, bill, or Dell product catalog.
Availability varies by country/region and product, and some services may not be available in your country/region.
www.dell.com/support
1. Go to www.dell.com/support.
2. Type the subject or keyword in the Search box.
3. Click Search to retrieve the related articles.
See Me and My Dell at www.dell.com/support/manuals.
To locate the Me and My Dell relevant to your product, identify
your product through one of the following:
•Select Detect Product.
•Locate your product through the drop-down menu under View Products.
•Enter the Service Tag number or Product ID in the search
bar.
20Getting help and contacting Dell
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