Why did my computer screen suddenly go black then come back on ?

Answer #1

ok lizzo need more info... is it CRT or LCD? my screens go black only if im installing new GPU (Graphics Processing Unit) drivers... otherwise they shouldnt unless their on their way out.. erm, have you got windows update to auto download and install? cus if you have and it downloaded and installed a gpu upgrade then it will go off and on ;)
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Answer #2

It could happen due to the cable in the back of your computer from the screen not being on securely enough. It could also be your screen slowly dying out.
Answer #3

i dont know :| im no good with computers and all i know its by dell aha LOL and hmm it happened like once yesterday and once last week :/
Answer #4

Whenever I have a power outage and the power goes right back on, that happens to me.
Answer #5

Sometimes your screen resets itself, or your screen is failing.
Answer #6

a dell pc oh god... is the monitor square?
Answer #7

maybe it over heated or a wire is loose
Answer #8

nothing else turned off though :/
Answer #9

You haven't been on in months!
Answer #10

is it a laptop or a pc? lol
Answer #11

pc :)
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