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‎07-23-2025 02:52 PM

HP Recommended
Product: HP Z2 Mini G5 Workstation (9JD39AV)
Operating System: Microsoft Windows 11

I've had this issue for a few years but yesterday one of my three monitors displays stopped working but all three appear

amacpapc_0-1753302930780.png

active under the Device Manager. (The non-displaying monitor is Monitor #2)

amacpapc_1-1753303010661.png

I know its not the monitor as I've tested all them. I switched the display cables in the computer and on the monitor.

No matter how I switch them, only Display #1 and #3 work. 

If I duplicate Display #1 & #2 - Display #1 appears on #2 and both work and #3 displays fine. 

If I seperate Display #1 & #2 - Display #2 goes blank even though it appears in the System >Display reads ‘Disconnect this display’, its not displaying it’s not displaying and it's 'Box' appears smaller then #3 when #3 & #2 are the same size.

amacpapc_2-1753303297916.png

When this first began HP support suggested to disable/restart/ enablerestart the Display Driver or uninstall/restart the Display Driver from the Device Manager. I would do both of these and after a few attempts the Display #2 worked. This time no such luck. 

I've updated the drivers and Windows is updated. 

This happens randomly, sometime after a reboot and sometime is a change Display #2 orientation. 

Any Help or Thoughts, please ?

 

 

 

 

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