I installed my PC for the first time and the CPU LED on the motherboard is red, but I don't see any problem. The PC turned on just fine. What could be
![Black screen on XG279Q. No Asus logo, no OSD menu, backlight is on but won't display image. Computer detects monitor. Tried changing resolution but it won't fix the problem. Was working fine, Black screen on XG279Q. No Asus logo, no OSD menu, backlight is on but won't display image. Computer detects monitor. Tried changing resolution but it won't fix the problem. Was working fine,](https://i.redd.it/p0u4fqpw48p71.jpg)
Black screen on XG279Q. No Asus logo, no OSD menu, backlight is on but won't display image. Computer detects monitor. Tried changing resolution but it won't fix the problem. Was working fine,
![Fixing M1 Mac External Display Issues (Flickering Screen, White Noise, Black Screen, etc) | OSXDaily Fixing M1 Mac External Display Issues (Flickering Screen, White Noise, Black Screen, etc) | OSXDaily](https://cdn.osxdaily.com/wp-content/uploads/2021/06/m1-mac-external-monitor-issues.jpg)
Fixing M1 Mac External Display Issues (Flickering Screen, White Noise, Black Screen, etc) | OSXDaily
![Worldwide Electronic-Hardware Solutions: How to repair Monitor Lcd Samsung SyncMaster 2243 when power LED is blinking and no display | Lcd, Monitor, Lcd monitor Worldwide Electronic-Hardware Solutions: How to repair Monitor Lcd Samsung SyncMaster 2243 when power LED is blinking and no display | Lcd, Monitor, Lcd monitor](https://i.pinimg.com/474x/b5/ab/dc/b5abdcebe338b06e675bb393d1e31cc8.jpg)