I recently built my first PC, and everything powers on—the fans and lights are all working, but the monitor shows 'no input.' I reassembled everything using a guide from LTT and even got to the test boot, but still no display. I've tried multiple HDMI cables and different monitors, making sure to connect them to the GPU. Is there anything else I can try?
3 Answers
It's worth double-checking if you're connecting the HDMI to the GPU instead of the motherboard. If your CPU doesn't have integrated graphics and you're plugged into the mobo, you won't get a display. Either way, it's good to double-check that connection!
A basic check, but it’s easy to overlook—make sure your monitor is set to the correct HDMI input. Some monitors have multiple input sources, and they might not automatically switch.
First off, make sure your RAM is properly seated in the slots. If you have two RAM sticks, try booting with just one in different slots—sometimes one can be faulty or not inserted correctly.
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