HP ENVY TouchSmart 14-k120us Ultrabook - Manual (Page 71)

of the operating system to isolate hardware failures from issues that may be caused by the operating
system or other software components.
To start HP PC Hardware Diagnostics UEFI:
1. Turn on or restart the computer, quickly press esc , and then press f2 .
After pressing f2 , the BIOS searches three places for the HP PC Hardware Diagnostics (UEFI)
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 61 .
b. Hard drive
c. BIOS
2. Click the type of diagnostic test you want to run, and then follow the on-screen instructions.
NOTE: If you need to stop a diagnostic test while it is running, press esc .
Downloading HP PC Hardware Diagnostics (UEFI) to a USB device
NOTE: The HP PC Hardware Diagnostics (UEFI) download instructions are provided in English
only.
1. Go to http://www.hp.com .
2. Click Support & Drivers, and then click the Drivers & Software tab.
3. Enter the product name in the text box, and then click Search.
4. Select your computer model, and then select your operating system.
5. In the Diagnostic section, click HP UEFI Support Environment.
– or –
Click Download, and then select Run.
Using HP PC Hardware Diagnostics (UEFI) (select models only) 61