10Using HP PC Hardware Diagnostics (UEFI)

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.

To start HP PC Hardware Diagnostics (UEFI):

1.Start Setup Utility:

●Computers or tablets with keyboards:

▲Turn on or restart the computer, quickly press esc.

●Tablets without keyboards:

▲Turn on or restart the tablet, and then quickly hold down the volume down button. - or -

Turn on or restart the tablet, and then quickly hold down the Windows button.

2.Press or tap f2.

The BIOS searches 3 places for the diagnostic tools, in the following order: a. Connected USB drive

NOTE: To download the HP PC Hardware Diagnostics (UEFI) tool to a USB drive, see Downloading HP PC Hardware Diagnostics (UEFI) to a USB device on page 49.

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 or tap esc.

Downloading HP PC Hardware Diagnostics (UEFI) to a USB device

NOTE: Instructions for downloading HP PC Hardware Diagnostics (UEFI) are provided in English only.

There are two options to download HP PC Hardware Diagnostics to a USB device: Option 1: HP PC Diagnostics homepage— Provides access to the latest UEFI version

1.Go to http://hp.com/go/techcenter/pcdiags.

2.Click the UEFI Download link, and then select Run.

Downloading HP PC Hardware Diagnostics (UEFI) to a USB device 49