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I’m experiencing an issue with my monitor. While watching YouTube videos, the screen suddenly went black, though the video audio continued playing. I used Alt+F4 to shut down the PC and restarted it, but the monitor still doesn’t display anything. The PC seems to be working fine, but there’s no signal on the monitor.

I noticed that the small light on the back panel (where the power cable connects) is on, but the front power indicator light is off.

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