My Son is so sad his friend gave him a good gaming computer it just needed a Monitor, Hard drive and Windows. So we got it all and computer was starting up fine. He was cleaning the inside with the Canned air, all was unplugged with no power going through. Then when he put it back together, now the monitor will not s how a pic at all...any idea why.
VaperKitten
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rubberman
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It is better to use a vacuum to clean the inside of a computer. Blowing compressed air to clean it can blow dirt and detritus into connections causing this sort of problem. It is likely that this has happened with the video card, or other contacts.
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