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Isolate true hardware failures: The diagnostics run outside of the operating system so they eectively

isolate hardware failures from issues that may be caused by the operating system or other software

components.

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Failure ID: When a failure is detected that requires hardware replacement, a 24-digit Failure ID is

generated. This ID can then be provided to the call agent, who will either schedule support or provide

replacement parts.

How to access and run HP PC Hardware Diagnostics

You can run the diagnostics from one of three places, depending on your preference and the health of the

workstation.

1. Turn on the workstation and press Esc repeatedly until the BIOS Boot Menu appears.

2. Press F2 or select Diagnostics (F2).

Pressing F2 signals the system to search for the diagnostics in the follow sequence:

a. A connected USB drive (to download the diagnostics tools to a USB drive, see the instructions in

Setting up, backing up, restoring, and recovering Windows 10 on page 15)

b. The hard disk drive

c. A core set of diagnostics in the BIOS (for memory and hard disk drive) that are accessible only if the

USB or hard disk drive versions are not detected

Downloading HP PC Hardware Diagnostics 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.

Option 2: Support and Drivers pages—Provide downloads for a specic product for earlier and later versions

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

2. Point to Support, located at the top of the page, and then click Software & drivers.

3. In the text box, enter the product name, and then click Find my product.

– or –

To let HP nd your products, click Identify now and let HP automatically detect your product.

4. Select your workstation model, and then select your operating system.

5. In the Diagnostic section, click HP UEFI Support Environment.

– or –

Click Download, and then select Run.

18 Chapter 4 Setting up, backing up, restoring, and recovering Windows 10

HP Z238 User Manual

Other manuals for HP Z238