Downloading Hp Hardware Diagnostics Windows By Product Name Or Number (Select Products Only); Installing Hp Pc Hardware Diagnostics Windows; Using Hp Pc Hardware Diagnostics Uefi; Starting Hp Pc Hardware Diagnostics Uefi - HP ProDesk 405 G4 Small Form Factor Maintenance And Service Manual

The tool is downloaded to the selected location.

Downloading HP Hardware Diagnostics Windows by product name or number (select products only)

NOTE: For some products, it may be necessary to download the software to a USB flash drive by using
the product name or number.
To download HP PC Hardware Diagnostics Windows by product name or number, follow these steps:
1. Go to http://www.hp.com/support.
2. Select Get 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 HP PC Hardware Diagnostics section, select Download, and then select a location on your computer
or a USB flash drive.
The tool is downloaded to the selected location.

Installing HP PC Hardware Diagnostics Windows

To install HP PC Hardware Diagnostics Windows, follow these steps:
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Navigate to the folder on your computer or the flash drive where the .exe file was downloaded, double-
click the .exe file, and then follow the on-screen instructions.

Using HP PC Hardware Diagnostics UEFI

NOTE: For Windows 10 S computers, you must use a Windows computer and a USB flash drive to download
and create the HP UEFI support environment because only .exe files are provided. For more information, see the
Downloading HP PC Hardware Diagnostics UEFI to a USB flash drive on page
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 flash drive
110.
Using HP PC Hardware Diagnostics UEFI 109