HP ZBook x2 G4 Detachable Workstation User Manual download pdf (Page 83)

12 Using HP PC Hardware Diagnostics (UEFI)

HP PC Hardware Diagnostics is a Unied 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.

When HP PC Hardware Diagnostics UEFI detects a failure that requires hardware replacement, a 24-digit

Failure ID code is generated. This ID code can then be provided to support to help determine how to correct

the problem.

To start HP PC Hardware Diagnostics (UEFI), follow these steps:

1. Turn o the tablet. Press the power button, and then quickly press and hold the volume down button

until the Startup menu is displayed.

2. Tap F2.

The BIOS searches three 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 73.

b. Hard drive

c. BIOS

3. When the diagnostic tool opens, select the type of diagnostic test you want to run, and then follow the

on-screen instructions.

NOTE: To stop a test, press the button you used to access UEFI.

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

NOTE: The HP PC Hardware Diagnostics (UEFI) download instructions are provided in English only, and you

must use a Windows computer to download and create the HP UEFI support environment because only .exe

les are oered.

There are two options to download HP PC Hardware Diagnostics to a USB device.

Download the latest UEFI version

1. Go to http://www.hp.com/go/techcenter/pcdiags. The HP PC Diagnostics home page is displayed.

2. In the HP PC Hardware Diagnostics section, select the Download link, and then select Run.

Download any version of UEFI for a specic product

1. Go to http://www.hp.com/support.

2. Select Get software and drivers.

3. Enter the product name or number.

Downloading HP PC Hardware Diagnostics (UEFI) to a USB device 73

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HP ZBook x2 G4 Detachable Workstation User Manual Page 83