HP 15-g100 Maintenance and Service Guide - Page 91

Using HP PC Hardware Diagnostics (UEFI), HP PC Hardware Diagnostics is

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10 Using 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. NOTE: To start BIOS on a convertible computer, your computer must be in notebook mode and you must use the keyboard attached to your tablet. The on-screen keyboard, which displays in tablet mode, cannot access BIOS. To start HP PC Hardware Diagnostics UEFI: 1. Start BIOS: ● 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 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 84. 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. On a tablet, press the volume down button to stop a diagnostic test. NOTE: If you need to stop a diagnostic test on computers or tablets with a keyboard, press esc. 83

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10
Using 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.
NOTE:
To start BIOS on a convertible computer, your computer must be in notebook mode and you must use
the keyboard attached to your tablet. The on-screen keyboard, which displays in tablet mode, cannot access
BIOS.
To start HP PC Hardware Diagnostics UEFI:
1.
Start BIOS:
●
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 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
84
.
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. On a tablet, press the volume down button to stop a diagnostic test.
NOTE:
If you need to stop a diagnostic test on computers or tablets with a keyboard, press
esc
.
83