Computer screen freezing

Sep 12, 2018
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My computer screen constantly freezes when I’m doing random things, not even intensive things. The keyboard and mouse stay lit but don’t work, and the network is still connected and I can hear audio. The only way to fix is with a restart. What’s the problem?
 
Solution
Need to start with full system specs including the power supply brand and model. Could be failing power supply, OS crash, bad RAM, really a bunch of things.

Does the screen lock up or does it go blank?