I was really getting into Half-Life 2 in VR when suddenly, the game started glitching with weird patterns, and then my PC monitor went completely black. I've already tried restarting, hard resetting, switching HDMI ports, and even removing and reinserting the CMOS battery, but nothing has worked. I'm looking for suggestions on what else I can do besides taking it to a service center.
3 Answers
Check if your motherboard or GPU has any diagnostic lights; they sometimes indicate where the problem lies or offer error codes.
That glitching you saw followed by a black screen could definitely indicate a GPU issue, especially since you were using VR. First off, try plugging the monitor into the motherboard if your CPU has integrated graphics — if that works, it likely points to a problem with the GPU.
If that doesn't help, here's what else you can do:
1. Reseat the GPU: power off your PC, unplug it, take out the GPU, and put it back in securely.
2. Check the PCIe power cables to make sure they’re connected properly.
3. If you can, test with a different cable and monitor.
4. Listen for any motherboard beep codes or check for debug LED indicators.
5. Clear the CMOS again and boot with just one stick of RAM and no extra drives.
If there’s still no signal even with integrated graphics, your motherboard might be the issue instead. VR can really push GPUs hard, so if it failed under load, it might have overheated or had power delivery issues. Start with that integrated graphics test; it’s the quickest way to figure out if you need to send it in for service.
It sounds like your GPU might be toast. If your CPU has integrated graphics, try connecting your monitor to the motherboard instead and see if you get any display there.
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