HP ProDesk 600 G4 Micro Maintenance and Service Guide - Page 109

Using HP PC Hardware Diagnostics (UEFI

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9 Using HP PC Hardware Diagnostics (UEFI) HP PC Hardware Diagnostics is a Unified Extensible Firmware Interface (UEFI) that allows you to run diagnostic tests to determine whether the computer hardware is functioning properly. The tool runs outside the operating system so that it can isolate hardware failures from issues that are caused by the operating system or other software components. When HP PC Hardware Diagnostics (UEFI) detects a failure that requires hardware replacement, a 24-digit Failure ID is generated. This ID can then be provided to support to help determine how to correct the problem. To start HP PC Hardware Diagnostics (UEFI), follow these steps: 1. Turn on or restart the computer, and quickly press esc 2. Press F2. The BIOS searches three places for the diagnostic tools, in the following order: a. Connected USB drive NOTE: To download the HP PC Hardware Diagnostics (UEFI) tool to a USB drive, see Downloading HP PC Hardware Diagnostics (UEFI) to a USB device on page 102. b. Hard drive c. BIOS 3. When the diagnostic tool opens, select the type of diagnostic test you want to run, and then follow the onscreen instructions. NOTE: If you need to stop a diagnostic test, press esc. 101

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9
Using HP PC Hardware Diagnostics (UEFI)
HP PC Hardware Diagnostics is a Uniļ¬ed Extensible Firmware Interface (UEFI) that allows you to run diagnostic
tests to determine whether the computer hardware is functioning properly. The tool runs outside the operating
system so that it can isolate hardware failures from issues that are caused by the operating system or other
software components.
When HP PC Hardware Diagnostics (UEFI) detects a failure that requires hardware replacement, a 24-digit Failure
ID is generated. This ID can then be provided to support to help determine how to correct the problem.
To start HP PC Hardware Diagnostics (UEFI), follow these steps:
1.
Turn on or restart the computer, and quickly press
esc
2.
Press
F2
.
The BIOS searches three places for the diagnostic tools, in the following order:
a.
Connected USB drive
NOTE:
To download the HP PC Hardware Diagnostics (UEFI) tool to a USB drive, see
Downloading HP
PC Hardware Diagnostics (UEFI) to a USB device
on page
102
.
b.
Hard drive
c.
BIOS
3.
When the diagnostic tool opens, select the type of diagnostic test you want to run, and then follow the on-
screen instructions.
NOTE:
If you need to stop a diagnostic test, press
esc
.
101