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The issue with your second monitor that says “The second monitor detect but displays no signal” can be a cause of concern but nevertheless you can fix this with the help of three basic solutions that we’ve mentioned below in order to assist you in this matter. So, let’s get started with this effective solution guide:
Solution 1: Hardware Troubleshooting
Before moving on to the other solutions, try some hardware troubleshooting with these given steps:
If you’re using the bad cable conductor, then change it immediately.
Ensure that all your cable connections are connected well by plugging them out and plugging them back.
Try changing one by one, all the input points of your monitor to ensure fixing the problem.
Also, try changing your cable with ‘HDMI cable’ to connect your second monitor because sometimes the old cable such as VGA or DVI-D was at fault.
Lastly, give a quick reboot to your system to ensure whether the problem has been resolved or not. If not then, move on to the below-given solutions.
Solution 2: Re-enable Display Adapters
Sometimes, simply disabling your ‘Display Adapters’ and then re-enabling the same, will help you to fix the ‘No signal’ error of your Second Monitor. To do so follow these simple four steps:
Open ‘Device Manager’ from ‘Windows Search Menu.’
From it, click on ‘Display adapters’ in order to expand its option further.
Then, select ‘Disable Device’ by clicking right on the display device software option from the contextual menu.
And then, similarly choose ‘Enable device’ option instead of ‘Disable Device’ from the same contextual menu to ensure whether the issue has been resolved or not.
Solution 3: Update Graphics Drivers
You need to make sure that you’re using the latest graphic driver on your Windows Operating system. However, if not then, simply update your graphic drivers to resolve the problem of ‘No signal’ error with the help of these given steps:
Open ‘Windows Search Bar’ by pressing the ‘Windows logo key’ for a while.
Then, in the search bar, type ‘DEVICE’ to open your Windows Device Manager.
Under it, look for the ‘Display Adapters’ category and once you are able to locate it, simply click on it in order to expand it further.
From its extended menu, click right on the option of ‘Device’ to further select the ‘Update Driver’ option.
Then, click on ‘Search Automatically for the updated driver software’ option in order to allow Windows to automatically download the latest graphic drivers for the system.
Once, the download process completes, re-install the graphic drivers in your Windows O.S. with the help of following on-screen prompts.
That’s it! Now, quickly restart your system to finally see that your ‘NO signal’ issue has been resolved successfully.
Other than this issue, if you encountered with “Second Monitor not detected in Windows 10” error then use this particular below-given solution to fix it easily:
Solution 4: Force Windows to Detect Your Second Monitor from Display Settings:
To resolve “second monitor not detected in Windows 10” error, what best you can do is try detecting your second monitor repeatedly and for that click right on your desktop’s empty area.
Then, from the available contextual menu, choose the ‘Display Settings’ option.
After that, click on the ‘Multiple Display Heading’, and under it, simply select the ‘Detect’ option in order to allow your Windows to automatically detect the second monitor.
That’s all about the effective guide on how to solve both the “Second Monitor Detected but Displays No Signal” and “Second monitor not detected” errors on your Windows Operating System.
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