HP Z4 Maintenance and Service Guide - Page 91

Using HP PC Hardware Diagnostics UEFI, Downloading HP PC Hardware Diagnostics UEFI to a USB device

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Using HP PC Hardware Diagnostics UEFI HP PC Hardware Diagnostics UEFI (Unified Extensible Firmware Interface) 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. If your PC will not boot into Windows, you can use HP PC Hardware Diagnostics UEFI to diagnose hardware issues. When HP PC Hardware Diagnostics UEFI detects a failure that requires hardware replacement, a 24-digit Failure ID code is generated. For assistance in correcting the problem, contact support, and provide the Failure ID code. NOTE: To start diagnostics on a convertible computer, your computer must be in notebook mode, and you must use the attached keyboard. NOTE: If you need to stop a diagnostic test, press esc. Starting HP PC Hardware Diagnostics UEFI 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 83. 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. Downloading HP PC Hardware Diagnostics UEFI to a USB device Downloading HP PC Hardware Diagnostics UEFI to a USB device (flash drive) can be useful in the following situations: ● HP PC Hardware Diagnostics UEFI is not included in the preinstall image. ● HP PC Hardware Diagnostics UEFI is not included in the HP Tool partition. ● The hard drive is damaged. NOTE: The HP PC Hardware Diagnostics UEFI download instructions are provided in English only, and you must use a Windows computer to download and create the HP UEFI support environment because only .exe files are provided. Using HP PC Hardware Diagnostics Windows 83

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Using HP PC Hardware Diagnostics UEFI
HP PC Hardware Diagnostics UEFI
(Unified
Extensible Firmware Interface) 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.
If your PC will not boot into Windows, you can use HP PC Hardware Diagnostics UEFI to diagnose
hardware issues.
When HP PC Hardware Diagnostics UEFI detects a failure that requires hardware replacement, a 24-digit
Failure ID code is generated. For assistance in correcting the problem, contact support, and provide the Failure
ID code.
NOTE:
To start diagnostics on a convertible computer, your computer must be in notebook mode, and you
must use the attached keyboard.
NOTE:
If you need to stop a diagnostic test, press
esc
.
Starting HP PC Hardware Diagnostics UEFI
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
83
.
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.
Downloading HP PC Hardware Diagnostics UEFI to a USB device
Downloading HP PC Hardware Diagnostics UEFI to a USB device
(flash
drive) can be useful in the
following situations:
●
HP PC Hardware Diagnostics UEFI is not included in the preinstall image.
●
HP PC Hardware Diagnostics UEFI is not included in the HP Tool partition.
●
The hard drive is damaged.
NOTE:
The HP PC Hardware Diagnostics UEFI download instructions are provided in English only, and you
must use a Windows computer to download and create the HP UEFI support environment because only .exe
files
are provided.
Using HP PC Hardware Diagnostics Windows
83