hello, i was changing my resolutions on my desktop and when i changed it too 1600x900 my screen went blank and there is just a blue box with white text inside it floating around my screen saying input not supported, so i tried to restart my pc with a restart button on my case trying to put it in safe mode by spamming F8 in the start up, it started booting the safe mode feature but when it says "select keyboard layout", i go to move my mouse to click on US but it doesnt let me move my mouse. my pc is basically un usable please help me!! thanks