Service Manual

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)
● M.2 Drive (if available)
NOTE: XXX denotes the M.2 drive number.
● Optical Drive (if available)
● NVMe Drives
● Diagnostics
The boot sequence screen also displays the option to access the System Setup screen.
System setup options
NOTE: Depending on your computer and its installed devices, the items listed in this section may or may not appear.
Table 4. System setup options—System information menu
Overview
Latitude 5431
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 on your computer.
Battery Information
Primary Displays that battery is primary.
Battery Level Displays the battery level of the computer.
Battery State Displays the battery state of the computer.
Health Displays the battery health of the computer.
AC Adapter Displays whether the AC adapter is connected or not.
Battery Life Type Display the Battery Life type of the computer
Processor Information
Processor Type Displays the processor type.
Maximum Clock Speed Displays the maximum processor clock speed.
Minimum Clock Speed Displays the minimum processor clock speed.
Current Clock Speed Displays the current processor clock speed.
Core Count Displays the number of cores on the processor.
Processor ID Displays the processor identification code.
Processor L2 Cache Displays the processor L2 Cache size.
Processor L3 Cache Displays the processor L3 Cache size.
Microcode Version Displays the microcode version.
Intel Hyper-Threading Capable Displays whether the processor is Hyper-Threading (HT) capable.
BIOS setup 101