Hp Pc Hardware Diagnostics (Uefi) For Video Test - HP ZBook Studio G5 Maintenance And Service Manual

Test with a verified working external display.
●
● Boot to Windows in safe mode.
● Test with a verified working operating system (i.e., shipping image).

HP PC Hardware Diagnostics (UEFI) for video test

Use this tool to quickly determine if the display issue is related to a real hardware issue.
To start HP PC Hardware Diagnostics (UEFI)
computer is at boot, press the
There are three options:
● Video Memory Check: to test video memory
Palette Check: to test the three video color components (red, green, blue)
●
● Dead Pixel Check: to check dead pixels in eight different colors (Dead Pixel Check is available with the
"HP PC Diagnostics 3-in-1 USB Key" tool)
Review the video troubleshooting in the Display section below for specific issues and possible solutions. For
additional information about display problems, refer to documentation provided by the product
manufacturer.
114 Chapter 6 Troubleshooting guide
(6. HP Hardware Diagnostics and Tools on page
F2 key, select Component Tests, and then select Video.
83), when the