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HP EliteBook 840 G9 - Starting HP PC Hardware Diagnostics UEFI

HP EliteBook 840 G9
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Select Contact HP, accept the HP privacy disclaimer, and then use a mobile device to scan the failure ID code
that appears on the next screen. The HP Customer Support - Service Center page appears with your failure
ID and product number automatically lled in. Follow the on-screen instructions.
– or –
Contact support, and provide the failure ID code.
NOTE: To start diagnostics on a convertible computer, your computer must be in notebook mode, and you
must use the attached keyboard.
NOTE: If you need to stop a diagnostic test, press esc.
Starting HP PC Hardware Diagnostics UEFI
To start HP PC Hardware Diagnostics UEFI, follow this procedure.
1. Turn on or restart the computer, and quickly press esc.
2. Press f2.
The BIOS searches three places for the diagnostic tools, in the following order:
a. Connected USB ash drive
NOTE: To download the HP PC Hardware Diagnostics UEFI tool to a USB ash drive, see Downloading
the latest HP PC Hardware Diagnostics UEFI version on page 101.
b. Hard drive
c. BIOS
3. When the diagnostic tool opens, select a language, select the type of diagnostic test you want to run, and
then follow the on-screen instructions.
Downloading HP PC Hardware Diagnostics UEFI to a USB
ash drive
Downloading HP PC Hardware Diagnostics UEFI to a USB ash drive can be useful in some situations.
HP PC Hardware Diagnostics UEFI is not included in the preinstallation image.
HP PC Hardware Diagnostics UEFI is not included in the HP Tool partition.
The hard drive is damaged.
NOTE: The HP PC Hardware Diagnostics UEFI downloading 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 provided.
Downloading the latest HP PC Hardware Diagnostics UEFI version
To download the latest HP PC Hardware Diagnostics UEFI version to a USB ash drive, follow this procedure.
1. Go to http://www.hp.com/go/techcenter/pcdiags. The HP PC Diagnostics home page is displayed.
2. Select Download HP Diagnostics UEFI, and then select Run.
Starting HP PC Hardware Diagnostics UEFI
101

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