HP EliteDesk 800 G3 SFF Maintenance And Service Manual page 129

3. Enter the product name or number.
– or –
Select Identify now to let HP automatically detect your product.
4. Select your computer, and then select your operating system.
5. In the Diagnostic section, follow the on-screen instructions to select and download the UEFI version
you want.
Downloading HP PC Hardware Diagnostics (UEFI) to a USB device 121