Power button LED is blinking while I use the PC after I upgraded my motherboard, CPU, and RAM. But the PC seems to be working fine. It doesn't happen all the time,
![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,
![ASUS ROG Swift 26.5" QHD 240Hz 0.03ms GTG OLED G-Sync Gaming Monitor (PG27AQDM) - Only at Best Buy | Best Buy Canada ASUS ROG Swift 26.5" QHD 240Hz 0.03ms GTG OLED G-Sync Gaming Monitor (PG27AQDM) - Only at Best Buy | Best Buy Canada](https://multimedia.bbycastatic.ca/multimedia/products/500x500/169/16950/16950851.jpg)
ASUS ROG Swift 26.5" QHD 240Hz 0.03ms GTG OLED G-Sync Gaming Monitor (PG27AQDM) - Only at Best Buy | Best Buy Canada
![Asus VG278QR 27” Gaming Monitor 165Hz Full HD (1920 X 1080) 0.5ms G-Sync Eye Care DisplayPort HDMI Dvi : Amazon.ca: Electronics Asus VG278QR 27” Gaming Monitor 165Hz Full HD (1920 X 1080) 0.5ms G-Sync Eye Care DisplayPort HDMI Dvi : Amazon.ca: Electronics](https://m.media-amazon.com/images/I/41c1g9eatiL._AC_.jpg)
Asus VG278QR 27” Gaming Monitor 165Hz Full HD (1920 X 1080) 0.5ms G-Sync Eye Care DisplayPort HDMI Dvi : Amazon.ca: Electronics
![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/b9ip3zfw48p71.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,
![Asus VG278QR 27” Gaming Monitor 165Hz Full HD (1920 X 1080) 0.5ms G-Sync Eye Care DisplayPort HDMI Dvi : Amazon.ca: Electronics Asus VG278QR 27” Gaming Monitor 165Hz Full HD (1920 X 1080) 0.5ms G-Sync Eye Care DisplayPort HDMI Dvi : Amazon.ca: Electronics](https://m.media-amazon.com/images/I/91clUZNr5wL._AC_UF350,350_QL80_.jpg)