I've been having a frustrating issue with my monitors. I was trying to access my BIOS settings to make some changes, but every time I attempt an advanced startup, my computer restarts. The mouse and keyboard light up, but my monitors stay off. I've tried a lot of different things like restarting my graphics drivers, checking for updates, switching my primary monitor settings, and even changing the display port from DisplayPort to HDMI, but nothing has worked. I also tried booting in secure mode, which made the situation worse—now my monitors won't turn on at all, even during a normal restart. I previously fixed a similar problem by resetting the BIOS by removing the CMOS battery, so I tried that again, but still no luck. During startup, the VGA and boot lights turn on, but once the system is fully on, they don't stay lit. Does anyone have any suggestions to get my monitors working again?
1 Answer
It sounds like your computer is posting, which is a good sign! If you have an Nvidia GPU, there's a known issue where it might output a blank signal, and sometimes you can see the cursor. You could try reinstalling an older, stable version of the driver using the Display Driver Uninstaller (DDU) method, but it's tricky if you can't see your screen at all. Another option could be to check if your monitor settings are correct—maybe try a different cable or even a different output port.

Yeah, DDU is great, but it requires you to boot up into safe mode to do it. If you can't see anything on your monitors, you might need to borrow another screen just to see if it outputs there. It could help narrow down if it's a monitor issue or something else.