Help with monitor

Jul 3, 2018
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I bought an LG 29UM60-P 29 monitor about half a year ago.
It was working just fine yesterday until today when I decided to open my pc nothing displays.
At first, I thought it was the PC's problem so I plugged in my pc to my television and it worked just fine.
Then, I realize it was probably the monitor's problem.
I pulled out my android tv box and tried it on the monitor and nothing also popped up.
I checked the HDMI's and it was all connected.
I also realize that the monitor's menu doesn't show up anymore when I tried to use the controls on the monitor.
The monitor has a strange glow sorta like an IPS glow. I cannot display anything on it.
Help, Thanks.