Service Manual
Table Of Contents
- XPS 8940 Service Manual
- Contents
- Working inside your computer
- Removing and installing components
- Recommended tools
- Screw list
- Major components of XPS 8940
- Left-side cover
- Optical drive (optional)
- Power button
- Front cover
- 2.5-inch hard drive
- 3.5-inch hard drive
- Chassis fan
- Memory modules
- Wireless card
- Solid-state drive/Intel Optane
- Graphics card
- Coin-cell battery
- Power-supply unit
- Processor fan and heat-sink assembly
- Processor
- Voltage regulator heat sink (optional)
- System board
- Drivers and downloads
- System setup
- Troubleshooting
- Getting help and contacting Dell
Table 4. System setup options—System Configuration menu (continued)
System Configuration
SATA Operation Configure operating mode of the integrated SATA hard drive controller.
Drives Enable or disable various drives on board.
SATA-0 Displays the SATA device information of the computer.
SATA-1 Displays the SATA device information of the computer.
SATA-2 Displays the SATA device information of the computer.
SATA-3 Displays the SATA device information of the computer.
M.2 PCIe SSD-2 Displays the M.2 PCIe SSD information of the computer.
SMART Reporting Enable or disable SMART Reporting during system startup.
USB Configuration
Enable Boot Support Enable or disable booting from USB mass storage devices such as external
hard drive, optical drive, and USB drive.
Enable Front USB Ports Enable or disable the front USB ports.
Enable Rear USB Ports Enable or disable the rear USB ports.
Front USB Configuration Enable or disable the front USB ports.
Rear USB Configuration Enable or disable the rear USB ports.
Audio Enable or disable the integrated audio controller.
Table 5. System setup options—Video menu
Video
Multi-Display Enable or disable multiple displays.
Primary Display Set or change the primary display.
Table 6. System setup options—Security menu
Security
Internal HDD-2 Password Set, change, or delete the internal hard-disk drive password.
Internal HDD-3 Password Set, change, or delete the internal hard-disk drive password.
M.2 SATA SSD Password Set, change, or delete the M.2 solid-state drive password.
Strong Password Enable or disable strong passwords.
Password Configuration Control the minimum and maximum number of characters allowed for Admin
and System passwords.
Password Change Enable or disable changes to the System and Hard Disk passwords when an
administrator password is set.
UEFI Capsule Firmware Updates Enable or disable BIOS updates through UEFI capsule update packages.
PTT Security
PTT On Enable or disable Platform Trust Technology (PTT) visibility to the operating
system.
Clear Default: Disabled
PPI ByPass for Clear Command Enable or disable the TPM Physical Presence Interface (PPI). When enabled,
this setting will allow the OS to skip BIOS PPI user prompts when issuing
the Clear command. Changes to this setting take effect immediately.Default:
Disabled
Absolute(R) Enable or disable the BIOS module interface of the optional Computrace(R)
Service from Absolute Software.
System setup 65