PC starts lagging then monitor shuts off into "No signal" Unless i restart ,the monitor won't turn back on again

[IhatemyPC12]

Basically i've been running into a problem where my PC would start lagging then after it lagged for sometimes the monitor would shut off and go into "No signal" state, though the moitor shut off the computer itself is still seem to be running fine, i asked for help because usually the problem was not happening as frequent as today.Usually it'd happen once a day, or twice if unlucky. though now after 10 minutes of opening my pc it starts happening immediately, and it has become such a frustrating problem that i can't seem to know what's happening.I checked the event log, and i see power kernel

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