HP ZBook 15 Mobile Workstation - Manual (Page 96)

● Memory test—This test analyzes the physical condition of the memory modules. If it reports an
error, replace the memory modules immediately.
● Battery test—This test analyzes the condition of the battery and calibrates the battery if
necessary. If the battery fails the test, contact HP support to report the issue and purchase a
replacement battery.
● BIOS Management—You can update or rollback the version of the BIOS on the system. Do not
shut down or remove external power during the process. You will be given a confirmation screen
before your BIOS is modified. Select BIOS update, BIOS Rollback, or Back to main menu.
You can view system information and error logs or select languages in the System Diagnostics
window.
To start System Diagnostics:
1. Turn on or restart the computer. While the “Press the ESC key for Startup Menu” message is
displayed in the lower-left corner of the screen, press
esc . When the Startup Menu is displayed,
press f2 .
2. Click the diagnostic test you want to run, and then follow the on-screen instructions.
NOTE: If you need to stop a diagnostics test while it is running, press esc .
86 Chapter 12 Computer Setup (BIOS), MultiBoot, and System Diagnostics