The tool downloads to the selected location.
Downloading HP Hardware Diagnostics Windows by product name or number (select products 
only)
You can download HP PC Hardware Diagnostics Windows by product name or number.
NOTE: For some products, you might have to download the software to a USB ash drive by using the 
product name or number.
1. Go to http://www.hp.com/support.
2. Select Software and Drivers, select your type of product, and then enter the product name or number in 
the search box that is displayed.
3. In the Diagnostics section, select Download, and then follow the on-screen instructions to select the 
specic Windows diagnostics version to be downloaded to your computer or USB ash drive.
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 (Unied 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.
Using HP PC Hardware Diagnostics UEFI 65