On Windows 10 and 11, you can use these steps to fix a second monitor not detected on your PC, and here's how.

Essentially, a DisplayPort is a digital display interface primarily used to connect a video source to a display device (mostly monitors). It also carries other forms of data such as audio, USB, etc.

<I>(short version: trying to figure out if the monitor is defective, or if there is some DVI incompatibility with this setup)</I><BR><BR>To connect a PC video card that has only a DVI-I Dual-Link ...

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 monitors ...