I'm facing an issue with my second monitor, an ASUS VG248. Windows recognizes that it's connected to the GPU, but I keep getting a 'DisplayPort no signal' message. I can see it in the display settings, but it's not active, and I can't change the resolution. I've had this problem before but can't remember how I fixed it last time. Any suggestions?
2 Answers
Try turning off your monitor and unplugging the DisplayPort cable. Hold the power button on the monitor for about 10 seconds, then reconnect everything and power it back on. You might also want to disable G-Sync in the NVIDIA Control Panel and retry the 'Set up multiple displays' option. If it still doesn’t work, try booting into Safe Mode and then restart normally to see if that helps with the detection. Also, testing a different DisplayPort or HDMI cable could rule out any cable issues.
I had a similar issue, and after trying several cables, I found one that worked perfectly. If you've already tested a second DisplayPort cable, make sure your connection to the GPU is secure. Also, double-check if the monitor is set to the right input source. Sometimes, it can help to cycle through the input options using the monitor's menu.
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