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HP Recommended
Microsoft Windows 10 (64-bit)

With a Wake-On-Lan in big examrooms (2x 300 mini-HP-EliteDesk 800 G6 DM) between 5-9 random (every boot different machines) PC's immediately comes up with a specific screen with 2/3 noise and 1/3 black. See picture.

The keyboards do not work (numlock test), so no cntrl-alt-del possibility.  Only a hard reset (button of the PC) works. 

The screen and keyboard/mouse are locked, the PC is not. We can remotely access the PC.

We ruled out the display display-cable. It cannot be drivers because the screen comes up immediately before the OS starts.

We suspect that a bios-configuration might be the problem but don't have a clue what to look for. We installed the latest bios-version.

 

iijama1.JPG

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