There are a few potential causes, but it can usually be narrowed down to this new bit of hardware. This could be a new monitor, a new DisplayPort cable, or perhaps a DisplayPort hub. Seeing a “DisplayPort not detected” or “No signal” message on your monitor usually occurs when new hardware has been connected. The amount of pressure that needs to be applied to release the locking connector also varies between cables. On other cables, the casing is just slightly raised where you need to press. On some, it is an obvious button, which may even have “Press” printed on it. The locking connector release button is located on the body of the DisplayPort plug, but the button design varies between cables. This holds the cable securely in the port, but if you are new to using DP, it is easy to assume the cable is stuck. Unlike HDMI cables, which use friction to keep them in place when connected, DisplayPort cables almost always use a locking connector.

RELATED: How to Power Cycle Your Gadgets To Fix Freezes and Other Problems DisplayPort Cable Stuck in the DisplayPort The AMD support page provides software that can detect your GPU and automatically install the correct drivers. Make sure to install the correct driver version for your OS and graphics card. If neither of the previous steps helped, try uninstalling and reinstalling the Radeon display drivers. Unless you have an 8K monitor, which will probably use a later DisplayPort version anyway, doing this should result in no loss of picture quality.

Some displays allow you to disable 1.2 in the settings, reverting back to an earlier version. This problem seems to be mainly associated with DisplayPort version 1.2. In most cases, a power cycle like this will fix the problem. Make sure it clicks into place, and then turn your monitor back on. Plug the power cable back in, followed by the DisplayPort cable.

Remove the power cable and wait at least 30 seconds. Turn your monitor off and unplug the DisplayPort cable.

Refresh graphics driver