Montor power button blinking on and off w/ no display

seiu

Prominent
Jul 15, 2017
10
0
510
Yesterday I shut down my pc and monitor normally, the next day I find my monitor power led/button turning blue (on) for 2-3 seconds and then off, cycling like that. Nothing showing up on the screen obviously, same problem without the dvi cable. Also some weird power noises can be heard, but they were also like that before. Already tried unplugging and holding the power button for about a minute. Acer x223w