Sarcasm doesn't work on the internet.It can/will damage your eyesight/brain if it's as reflective as some of the glossy LED ones.
Sarcasm doesn't work on the internet.
Unless you got some kind of shortcircuiting going on it can't damage your PC. But yes it can affect the performance. The higher the resolution of the monitor the harder your computer will have to work, that is of course if you're playing games on the monitors native resolution.