Using Hp Pc Hardware Diagnostics (Uefi) - Windows 8 - HP Spectre x360 Maintenance And Service Manual

7 Using HP PC Hardware Diagnostics (UEFI) –
Windows 8
HP PC Hardware Diagnostics is a Unified Extensible Firmware Interface (UEFI) that 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: To start the Setup Utility, your computer must be in notebook mode and you must use the keyboard
attached to your notebook. The on-screen keyboard which displays in tablet mode cannot
access the Setup Utility.
To start HP PC Hardware Diagnostics (UEFI):
1. Start Setup Utility, by turning on or restarting the computer, and then quickly pressing the
2. Press or tap f2.
The BIOS searches 3 places for the diagnostic tools, in the following order:
a. Connected USB drive
NOTE:
HP PC Hardware Diagnostics (UEFI) to a USB device on page
b. Hard drive
c. BIOS
3. When the diagnostic tool opens, use the keyboard arrow keys to select the type of diagnostic test you
want to run, and then follow the on-screen instructions.
NOTE: If you need to stop a diagnostic test, press the
46 Chapter 7 Using HP PC Hardware Diagnostics (UEFI) – Windows 8
To download the HP PC Hardware Diagnostics (UEFI) tool to a USB drive, see
47.
esc key.
esc key.
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