![]() Display devices generally need to be set on the right source. Make sure the source is correct on the display deviceĪ simple error to make is to have the display device (projector, TV, or monitor) on the wrong source. Otherwise, first verify all the settings, and updates are done in the following steps before getting a new DisplayPort cable. If you happen to have another DisplayPort cable then try that. If it’s working perfectly fine with an HDMI cable then the issue is with a setting for the DisplayPort cable. Or, is caused by a setting, a software issue on the source and/or display device. This will tell you whether the issue is with the cable. To verify whether the DisplayPort cable is working, plug in an HDMI cable instead. The DisplayPort cable can have failed, and is causing it to not send any signal. Check the cable isn’t faulty by using an HDMI cable ![]() The easiest way to check this is completely unplug the DisplayPort cable at both ends and plug them back in again. For example, if you unplug or plug something into one of the devices you can accidentally bump or pull the cable a bit, and it won’t be plugged in all the way. Check that the DisplayPort cable is plugged in all the wayĬables can easily come a bit loose if they’re bumped. It’s common that the software on either device has frozen in the background, which causes things like the display to not work. Wait for about 30 seconds, and then plug them back in and turn them on again. ![]() Turn them off and then unplug them at the wall outlet. You will be using two types of devices, a source such as a computer, and a display device such as a monitor. To do this step restart both devices you’re using. In all of my experience working with electronic devices this is one of the most effective ways to solve issues like this. Turn both of the devices on and off again – restart them I’ve ordered them from easiest and most likely to get it working.Įach of these steps can get the DisplayPort signal to work, so after each one check to see if it’s working. In total there are 5 troubleshooting steps, these are all very easy to perform. But all of the steps are explained below. The next most common cause is that the DP cable is slightly loose. Overall, begin with restarting both devices you’re using, this will be the source device such as a computer, as well as, the screen such as a TV, monitor, or projector. When this error occurs here’s the steps to troubleshoot it and get it working. This makes it very easy to see what the main issue is that’s stopping the display device from working. The good thing about display devices such as monitors, and projectors is that they will give you the error message that there is no DisplayPort signal. Below, I will explain how to perform each of these troubleshooting steps in step by step detail so you know exactly what to do to get it working again. If either of these are not up to date they can conflict with each other. ![]() Following that, verify that the DisplayPort cable is connected properly on both ends, then test if the cable is working fine by using a different display port cable or an HDMI cable.įollowing these steps, for computers make sure that you have the most update to date graphics card driver, and your Windows operating system has the latest update installed. In rare cases you can get an error message that says that the display device (TV, projector, or monitor) has no DP signal, and today I will explain how to troubleshoot this issue.Īs a general rule, start by restarting your computer and the monitor/TV/projector that says no signal. Although these speeds aren’t required for monitors, projectors, or TVs that are lower than 4K, the technology is still the fastest. Displayport is a newer technology than HDMI that provides much faster signal speeds. ![]()
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