HP ZBook Studio G3 Maintenance and Service Guide - Page 82

HP Hardware Diagnostics and Tools, HP PC Hardware Diagnostics (UEFI)

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6. HP Hardware Diagnostics and Tools HP offers different diagnostics and tools to diagnose hardware failure. This section describes how to use some of these tools. Make sure to check for the latest versions before use. 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 HP PC Hardware Diagnostics (UEFI) tool is built within BIOS (basic memory and storage device diagnostics only), or within new storage devices themselves. These drives contain more advanced versions of the diagnostic tool than the BIOS-based version. In addition, for HP authorized service partners and IT professionals who need to support a mixed environment of older and newer HP/Compaq PCs, the HP PC Diagnostics 3-in-1 USB Key is a diagnostic tool that supports a wide range of HP Desktop and Notebook computers. 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. In reality, many problems can be determined using this tool if the issue is a defective part or a loose connection (i.e., reseating keyboard cable after the tool reports a keyboard error). The tool has three major functions: ● System Tests - Check the computer's hardware to assure everything is functioning properly. If your system won't boot into Windows, try the Quick System Test. For more comprehensive testing, use the Extensive System Test option. If the System Test did not detect a hardware problem, continue with the Component Tests. ● Component Tests - Focus on selected hardware components in your computer. ● Firmware Management - Update your computer's BIOS to the latest version (available separately) or roll back to a previous version. To start HP PC Hardware Diagnostics (UEFI): 1. Turn on or restart the computer, quickly press the esc button on the computer, and then press F2. The BIOS searches three places for the diagnostic tools, in the following order: a. Connected USB drive b. Storage device c. BIOS 68 Chapter 7 Troubleshooting guide

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6. HP Hardware Diagnostics and Tools
HP
offers
different
diagnostics and tools to diagnose hardware failure. This section describes how to use
some of these tools. Make sure to check for the latest versions before use.
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 HP PC Hardware Diagnostics
(UEFI) tool is built within BIOS (basic memory and storage device diagnostics only), or within new storage
devices themselves. These drives contain more advanced versions of the diagnostic tool than the BIOS-based
version.
In addition, for HP authorized service partners and IT professionals who need to support a mixed environment
of older and newer HP/Compaq PCs, the
HP PC Diagnostics 3-in-1 USB Key
is a diagnostic tool that supports a
wide range of HP Desktop and Notebook computers.
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. In reality, many problems can be determined
using this tool if the issue is a defective part or a loose connection (i.e., reseating keyboard cable after the
tool reports a keyboard error).
The tool has three major functions:
●
System Tests - Check the computer’s hardware to assure everything is functioning properly. If your
system won’t boot into Windows, try the Quick System Test. For more comprehensive testing, use the
Extensive System Test option. If the System Test did not detect a hardware problem, continue with the
Component Tests.
●
Component Tests – Focus on selected hardware components in your computer.
●
Firmware Management – Update your computer’s BIOS to the latest version (available separately) or roll
back to a previous version.
To start HP PC Hardware Diagnostics (UEFI):
1.
Turn on or restart the computer, quickly press the
esc
button on the computer, and then press
F2
. The
BIOS searches three places for the diagnostic tools, in the following order:
a.
Connected USB drive
b.
Storage device
c.
BIOS
68
Chapter 7
Troubleshooting guide