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Old July 2nd, 2019, 03:22 PM
Digerati Digerati is offline
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Join Date: Jan 2007
Location: Nebraska, USA
Posts: 2,472
I have never heard of this problem before. Very strange. Sadly, we know nothing of your hardware except this is a PC.

When did this problem start?

Are your graphics drivers current? If me, I would uninstall your current drivers then reboot and see what happens. If still not good, check to see if more current graphics drivers are available.

I found several cases of black borders/shrinking screen, but none happened when letting your computer go idle for a few minutes.

This may help, but I really am at a loss here.
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