User's Manual

The tool downloads to the selected location.
Installing HP PC Hardware Diagnostics Windows
To install HP PC Hardware Diagnostics Windows, navigate to the folder on your computer or the USB ash
drive where the .exe le downloaded, double-click the .exe le, and then follow the on-screen instructions.
Using HP PC Hardware Diagnostics UEFI
HP PC Hardware Diagnostics UEFI (Unied 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.
NOTE: For Windows 10 S computers, you must use a Windows computer and a USB ash drive to download
and create the HP UEFI support environment because only .exe les are provided. For more information, see
Downloading HP PC Hardware Diagnostics UEFI to a USB ash drive on page 29.
If your PC does not start in Windows, you can use HP PC Hardware Diagnostics UEFI to diagnose hardware
issues.
Using an HP PC Hardware Diagnostics UEFI hardware failure ID code
When HP PC Hardware Diagnostics UEFI detects a failure that requires hardware replacement, a 24-digit
Failure ID code is generated.
For assistance in solving the problem:
Select Contact HP, accept the HP privacy disclaimer, and then use a mobile device to scan the Failure ID
code that appears on the next screen. The HP Customer Support - Service Center page appears with your
Failure ID and product number automatically lled in. Follow the on-screen instructions.
– or –
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 this procedure.
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 ash drive
NOTE: To download the HP PC Hardware Diagnostics UEFI tool to a USB ash drive, see
Downloading the latest HP PC Hardware Diagnostics UEFI version on page 29.
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Chapter 8 Using HP PC Hardware Diagnostics