Windows 10: After logging in the desktop appears, it goes dark, it apoears again, it goes dark...

Hello.I do not know if you can help me with the following problem. Until yesterday my Microsoft Surface worked properly. Today, I logged in as usual and one or two seconds after the desktop appeared, it went black for one or two seconds, later it appeared again and went black again and so on... I tried to rebolt several times and the same problem persists. I tried to enter in secure mode. I logged in perfectly same as before, but the same problem still persisted: after logging in desktop trying to load, black screen, desktop trying to load, black screen.... Besides, there are no previous v

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computer screen goes dark

Unfortunately my computer won't stay on long enough to try the suggestion. It just goes dark with no warning, can't get it to stay on for more than about 5 minutes.

 

Screen goes dark

My screen goes dark after 1 minute of non-use. I have it set to go dark after 20 minutes using Settings, Power. Why is it not taking? Please help

 

6288 - screen goes dark after 15 seconds

Hi

Have just purchased a 6288. Screen goes dark after 10 - 15 seconds if you don't touch the keypad - very annoying if reading a message. Have turned Power saver and sleep mode off, but screen still goes dark. Does anyone know how to stop it from doing this?

Thanks