Service Manual

Removable Drive (if available)
STXXXX Drive (if available)
NOTE: XXX denotes the SATA drive number.
Optical Drive (if available)
SATA Hard Drive (if available)
Diagnostics
The boot sequence screen also displays the option to access the System Setup screen.
One time boot menu
To enter one time boot menu, turn on your computer, and then press F2 immediately.
NOTE: It is recommended to shutdown the computer if it is on.
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 (if available)
NOTE: XXX denotes the SATA drive number.
Optical Drive (if available)
SATA Hard Drive (if available)
Diagnostics
The boot sequence screen also displays the option to access the System Setup screen.
System setup options
NOTE:
Depending on this computer and its installed devices, the items that are listed in this section may or may not be
displayed.
Table 3. System setup options—System information menu
Overview
XPS 15 9500
BIOS Version Displays the BIOS version number.
Service Tag Displays the Service Tag of the computer.
Asset Tag Displays the Asset Tag of the computer.
Manufacture Date Displays the manufacture date of the computer.
Ownership Date Displays the ownership date of the computer.
Express Service Code Displays the express service code of the computer.
Ownership Tag Displays the ownership tag of the computer.
Signed Firmware Update Displays whether the signed firmware update is enabled.
Default: Enabled
Battery Displays the battery health information.
Primary Displays the primary battery.
Battery Level Displays the battery level.
Battery State Displays the battery state.
Health Displays the battery health.
AC Adapter Displays whether an AC adapter is connected. If connected, the AC adapter type.
PROCESSOR
Processor Type Displays the processor type.
System setup 49