How to fix a computer that turns on, but displays nothing

If your PC turns on and the fans spin up, but nothing is displayed on the screen, there's a problem that needs fixing. It might be one of the more common ones and be relatively easy to fix, or it may be more complicated. To figure out what's causing the issue and how to fix it, we're going to need to do some investigating.

The monitor also needs to be connected to the correct port on your PC. That's a video output from the graphics card, or, if you're using onboard graphics, the motherboard. If in doubt, unplug the cable from both ends and plug it back in again. If you have any reason to suspect the cable itself may be damaged, try replacing it with another one.

You can also buy post code test cards to plug into your PC to give you that functionality. We can't speak to how well they work, but they're an option if you want some extra help troubleshooting your issue. The next, more drastic step is to do the same with internal components. That means removing any add-in cards like USB hubs or network cards, any additional memory , any secondary storage drives that don't contain the operating system . You should also disconnect any cooling fans that aren't part of your CPU or GPU cooling and any fan controllers or RGB lighting systems.

Display Fix PC Troubleshoot Won't Turn On

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