![]() Trolling and Insults will earn you a ban.Ģ) Purchase Advice/Recommendations are not allowed on this subreddit. Rulesġ) Please be respectful to others at all times. It is also worth testing the suspect cable in a different DP port, if your monitor and graphics card has more than one.Home of the computer component that you see most. Try a different DisplayPort cable, or even an HDMI cable, to check if the problem persists. Although not always the case, cheap cables will often be made from cheap components, and the failure or degradation of any of them will result in display issues. Just as with HDMI cables, DisplayPort cables are not all created equally. RELATED: How to Recover From a Bad GPU Driver Update Display Flickering or TearingĪ display that suffers from random flickering or image tearing, particularly when viewing hi-resolution video or gaming, can be a sign of DisplayPort cable failure. If the error occurs after updating display adapter drivers, you can try rolling back to the previous version. Check you have the right driver version installed for your display adapter, and make sure they are up to date. Incorrect, out-of-date, or corrupted graphics card drivers can also cause a “DisplayPort not detected” error. Update or Reinstall Display Adapter Drivers ![]() If you have never installed drivers for your monitor, check the manufacturer’s website to see if it needs them. Some monitors require additional drivers to be installed before certain features are enabled. If this doesn’t work, and your monitor or graphics card has multiple DisplayPort ports, try repeating the process using different ports. Turn your monitor back on and boot your computer. Wait 30 seconds and plug the cable back in, making sure you hear the click of the locking connector when inserting the cable into the ports. Turn off your computer and monitor, and unplug the DisplayPort Cable. When checking input settings on your monitor, make sure that the correct DisplayPort input is selected if there is more than one available. Some displays will automatically detect the input and change the setting, but don’t assume this is the case. If you are using a new monitor, or have switched from using HDMI to using DisplayPort on an existing monitor, check that the input source has been changed. ![]() Here are some of the most common causes of this error: Check Your Monitor Input Setting 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.
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