User's Guide

Table Of Contents
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 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 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 46.
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 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
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:
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.
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 ash 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
ash drive:
46 Chapter 10 Using HP PC Hardware Diagnostics