You have no choice but to get it repaired or replaced. If the signal is detected and the problem is solved, then there must be a hardware issue in your monitor. If you have or can borrow another monitor that is working fine, connect it to your computer with a DP cable.If the issue persists, do the second test. If this works, then the malfunctioned DP cable is the culprit of the issue. Replace your cable with a brand new one and connect your computer and your monitor.To sort out the real reason, you can test the Displayport connection with another cable or device. In this situation, you’re highly likely to be dealing with a hardware problem or component issue. Test connection with another cable or device If you’re a Pro user of Driver Techie, and need our technical support to help with the DisplayPort no signal problem, please feel free to contact. To see how to manually update the drivers one by one, please check this post. Please note that Update All is available for Pro subscribers only, otherwise, you can only manually update the driver one at a time. Then all your drivers will be updated automatically without you having to do anything else. After the scan, select all the drivers you need to update and click Update All.Download and install Driver Techie, then launch it.To use Driver Techie to find you the latest drivers: More importantly, Driver Techie simplifies the driver update process, so all it takes is just 3 clicks (for Pro users), and all your drivers are updated. Its ever-growing driver database allows you to always have access to the latest device drivers that you need. If Windows says that it’s already found the latest driver for you, so no newer drivers are found, then you should consider updating your graphics driver in a different way with the help of Driver Techie. Then check and see if the problem is fixed.When the driver update is done, restart your computer for the change to take effect.Wait for Windows to find the latest driver available for you.Then click Search automatically for updated driver software.Then right-click your graphic card driver and click Update driver (the name of the device can be different on your computer). Double-click to expand the category Display adapters.On your keyboard, press the Windows key and X at the same time, select Device Manager.To update your display card driver, here’s what you can do (please note that the following screenshots are taken on Windows 11, but the instructions work on Windows 10 as well): When the DisplayPort no signal issue occurs, one of the first things you should do is to update your graphics card driver, since an up-to-date graphics driver always ensures the best performance and fewer bugs. If this is not the reason why you get the no signal error, read on to the next fix. Now, try to give your DisplayPort connection a little bit push and see if the signal is detected. You have to ensure that the DP cable has been plugged in correctly and tightly. Check the DisplayPort connectionĪ loose connection can be another reason why you get the DisplayPort no signal issue. Test connection with another cable or deviceīefore we start troubleshooting, please restart your computer and your monitor to flush the buffer or fix any random bug.Now, let’s take a look at the tips below and see what we can do to resolve it. However, there can be some other reasons causing the DisplayPort signal to be not detected. Please contact our customer service team, as we'd like to offer additional assistance.When you see the error “DisplayPort No Signal”, it’s very likely due to a hardware issue. If none of the above steps resolve the issue, the monitor needs to be inspected. Trying several DisplayPort cables and cross-testing the cable with other devices may also help.Ħ) If the problem occurs suddenly after using DisplayPort normally, use HDMI to make sure DisplayPort is set to a resolution and refresh rate that are supported by the monitor. If DisplayPort is not selectable, please make sure the DisplayPort cable has been properly connected to both devices.ģ) If the DisplayPort option is selectable but no signal appears on screen, please unplug the cable and plug it back in the make the monitor re-detect the connection.Ĥ) If the condition persists, try to connect the monitor using HDMI to make sure the monitor functions properly, then try DisplayPort again.ĥ) If possible, cross-test the monitor with multiple devices using DisplayPort and verify at least one device shows a signal. If you can’t update to the latest driver when connected via DisplayPort due to no signal, switch connections to HDMI if possible.Ģ) Check the input menu on the screen to see if the DisplayPort option is selectable. 1) Make sure to update to the latest graphics card driver and also the motherboard BIOS version.
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