Important tip: I strongly recommend removing any extra display cables to multiple monitors to ensure that you don’t have other factors causing your monitor to stay blank before you continue your troubleshooting. While a no-connectivity issue is quite frustrating to run into, you’ll be able to deal with it at home most of the time. To fix it, adjust the input source, connect the cable to the GPU, and check for loose cables.
If your PC tower won’t connect to a monitor, it might be because your display is connected to the motherboard, your set it to the wrong input source, or there’s an issue with the cable or graphics card. Your Graphics Card Isn’t Producing a Display One of Your PC Components Is Loosely Connected Your Display Cable Is Connected To Your Motherboard Instead of Your Graphics Card Your Monitor Is Set To Display the Wrong Input Source
