9 Using HP PC Hardware Diagnostics
The HP PC Hardware Diagnostics utility allows you to run diagnostics tests to determine whether your 
computer hardware is running properly. The three versions are HP PC Hardware Diagnostics Windows, HP PC 
Hardware Diagnostics UEFI (Unied Extensible Firmware Interface), and (for select products only) a rmware 
feature called Remote HP PC Hardware Diagnostics UEFI.
Using HP PC Hardware Diagnostics Windows (select products 
only)
HP PC Hardware Diagnostics Windows is a Windows-based utility that allows you to run diagnostic tests to 
determine whether the computer hardware is functioning properly. The tool runs within the Windows 
operating system to diagnose hardware failures.
If HP PC Hardware Diagnostics Windows is not installed on your computer, rst you must download and install 
it. To download HP PC Hardware Diagnostics Windows, see Downloading HP PC Hardware Diagnostics 
Windows on page 72.
Using an HP PC Hardware Diagnostics Windows hardware failure ID code
When HP PC Hardware Diagnostics Windows detects a failure that requires hardware replacement, a 24-digit 
Failure ID code is generated.
▲ Depending on the instructions on the screen, choose one of these options:
● If failure ID link is displayed, select the link and follow the on-screen instructions.
● If instructions for calling support are displayed. Follow those instructions.
Accessing HP PC Hardware Diagnostics Windows
After HP PC Hardware Diagnostics Windows is installed, you can access it from HP Help and Support or HP 
Support Assistant.
Accessing HP PC Hardware Diagnostics Windows from HP Help and Support
After HP PC Hardware Diagnostics Windows is installed, follow these steps to access it from HP Help and 
Support.
To access HP PC Hardware Diagnostics Windows from HP Help and Support:
1. Select the Start button, and then select HP Help and Support.
2. Select HP PC Hardware Diagnostics Windows.
3. When the tool opens, select the type of diagnostic test that you want to run, and then follow the on-
screen instructions.
NOTE: To stop a diagnostic test, select Cancel.
Using HP PC Hardware Diagnostics Windows (select products only) 71