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
NOTE: To download the HP PC Hardware Diagnostics UEFI tool to a USB flash drive, see
Downloading the latest HP PC Hardware Diagnostics UEFI version on page 71.
b. Hard drive
c. BIOS
3. When the diagnostic tool opens, select the type of diagnostic test that you want to run, and then
follow the on-screen instructions.
Starting HP PC Hardware Diagnostics UEFI through HP Hotkey Support software
(select products only)
This section describes how to start HP PC Hardware Diagnostics UEFI through HP Hotkey Support
software.
NOTE: You must disable fast boot to access HP PC Hardware Diagnostics UEFI from the HP System
Information application.
To disable fast boot:
1. Turn on or restart the computer, and when the HP logo appears, press f10 to enter Computer Setup.
2. Select Advanced, and then select Boot Options.
3. Clear Fast Boot.
4. Select Save Changes and Exit, and then select Yes.
To start HP PC Hardware Diagnostics UEFI through HP Hotkey Support software, follow this procedure.:
1. From the Start menu, open the HP System Information Application or press fn+esc.
2. In HP System Information screen, select Run System Diagnostics, select Yes to run the application,
and then select Restart.
IMPORTANT: To prevent loss of data, save your work in all open apps before restarting your computer.
NOTE: When the restart is complete, the computer opens the HP PC Hardware Diagnostics UEFI
Application. Proceed with the troubleshooting tests.
Downloading HP PC Hardware Diagnostics UEFI to a USB flash drive
Downloading HP PC Hardware Diagnostics UEFI to a USB flash drive can be useful in some situations.
● HP PC Hardware Diagnostics UEFI is not included in the preinstallation image.
● HP PC Hardware Diagnostics UEFI is not included in the HP Tool partition.
70
Chapter 8 Using HP PC Hardware Diagnostics
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