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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 66.

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

Using HP PC Hardware Diagnostics UEFI 65

HP 240 G8 User Manual

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