Hey everyone! I'm in a bit of a panic right now. I decided to take apart my PC for the first time to give it a thorough cleaning, but now my monitor won't connect. My graphics card is powering on—at least the fans are spinning—but the monitor just won't recognize it. I've double-checked the HDMI cable and I've made sure the graphics card is properly connected to the motherboard. Here's a picture of my setup: [link](https://ibb.co/60mLPTh4). I'm at a loss for what to do next. Does anyone have suggestions before I consider taking it to a technician tomorrow? I'd prefer not to since money is a bit tight.
3 Answers
What’s the 8-pin cable hanging down near the fan? If that’s your CPU power, make sure to plug it back into the port near the top left by the CPU—there should be a 4 and/or an 8-pin connector.
Double-check that the HDMI cable is plugged into your graphics card and not the motherboard. Sometimes it can be easy to overlook!
Most likely, you may have accidentally pulled a cable loose while cleaning. Make sure to check all the connections—the GPU power cables, CPU power cables, and any cables connected to the power supply, especially if they're modular.

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