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screen keeps going blank

I have a iMac OS 21.5” late 2013 with Catalina v 10.15.7


my screen keeps going black, after 30 seconds or so I can click my mouse and it will come back but goes off again within a few seconds can any one help please? It is happening all the time

iMac 21.5″, macOS 10.15

Posted on Jan 5, 2022 3:55 AM

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Posted on Jan 5, 2022 4:17 AM

OK I’ve done that thank you - that appears to have fixed it many thanks

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screen keeps going blank

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