Starting Hp Pc Hardware Diagnostics Uefi; Downloading Hp Pc Hardware Diagnostics Uefi To A Usb Flash Drive; Downloading The Latest Hp Pc Hardware Diagnostics Uefi Version; Downloading Hp Pc Hardware Diagnostics Uefi By Product Name Or Number (Select Products Only) - HP ProDesk 400 G4 Maintenance And Service Manual

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 these steps:
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 flash drive
NOTE:
Downloading the latest HP PC Hardware Diagnostics UEFI version on page
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.

Downloading HP PC Hardware Diagnostics UEFI to a USB flash drive

Downloading HP PC Hardware Diagnostics UEFI to a USB flash drive can be useful in the following situations:
HP PC Hardware Diagnostics UEFI is not included in the preinstall 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 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
files are provided.

Downloading the latest HP PC Hardware Diagnostics UEFI version

To download the latest HP PC Hardware Diagnostics UEFI version to a USB flash drive:
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 UEFI section, select Download UEFI Diagnostics, and then select
Run.
Downloading HP PC Hardware Diagnostics UEFI by product name or number (select products
only)
NOTE: For some products, it may be necessary to download the software to a USB flash drive by using the
product name or number.
To download HP PC Hardware Diagnostics UEFI by product name or number (select products only) to a USB
flash drive:
1. Go to http://www.hp.com/support.
2. Enter the product name or number, select your computer, and then select your operating system.
3. In the Diagnostics section, follow the on-screen instructions to select and download the specific UEFI
Diagnostics version for your computer.
To download the HP PC Hardware Diagnostics UEFI tool to a USB flash drive, see
91.
Using HP PC Hardware Diagnostics UEFI 91