My Acer x263w displays "No Signal" right in the middle of the screen, unmoving too, when my Win 7 x64 PC is asleep. It is connected to an ATI 5450 chipset video card via HDMI. I have 2 other ...

When I rebooted I received a no signal icon from my monitor. I did RMA thru sapphire, and received a different card (like you I compared serial numbers), so far I have experienced no problems.

🎮📺 Experiencing issues between your Xbox Series X and LG OLED TV, such as "No Signal" errors, screen flickering, or Dolby Vision glitches? You're not alone. Many users have reported these ...