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Acer Monitor kg221q randomly goes black/blank with blue light still on. Then comes back

mikecromikecro Posts: 1Member New User
I have a kg221q connected to a Surface Pro 4 via a Targus Universal Docking Station and HDMI
Connects fine, good picture. But every 10 mins or so it randomly goes blank then comes back.
The Surface Pro screen is fine.

I have seen reports of this issue on other Acer monitors and advice to upgrade firmware but can't see how to do this for  kg221q 

Any pointers please?

mikecro


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