Some users also mentioned that the issue started occurring after installing a new Windows update.
Why Is Your Windows 11 PC Not Detecting Second Monitor?
But here in this section, weve mentioned the most common reasons behind this issue in Windows 11.
update display driver
So, try all the below-mentioned workarounds and fix Windows 11 not detecting second monitor issue.
Lastly, selectRestart and updateorRestartfrom thePowermenu to power cycle your Windows 11 PC.
To connect the display, you should probably verify that its connected to the electric power outlet.
In case youve a wireless monitor, press thePowerbutton again on your monitor to power it on.
This should fix the Windows 11 not detecting second monitorissue within a few seconds of switching it again.
Due to this, we suggest you verify that yoursecondary display is connected to your system properly.
Also, check that that the cable isnt damaged, which can cause this issue.
In that case, it could be possible that your systems display ports are faulty.
Therefore, we recommend youensure that your systems USB ports are properly functional.
you’re free to check this by connecting another monitor or equipment to the same USB port.
If the port works properly, then your monitor has some technical issues which cant be fixed easily.
You might havent extended the monitor, because of which it isnt showing anything.
Due to this, we suggest youchange your systems projection controls.
2.Next, choose theDisplayoption in theSystemcategory and choose the dropdown next toIdentify.
3.Now, choose theExtend these displaysoption from theShow only on 1dropdown menu to extend your display.
To do so, choose theBattery iconin the bottom right corner to open QAC.
5.Next, tap on theProjectoption in the Quick Action Center.
Once done, select theExtendoption from the menu to extend it.
It could be the same in your case.
To avoid this, it’s crucial that you ensure that your systems display controls are correct.
If the monitors prefs arent modified properly, your second monitor may not work properly.
2.In theDisplaysection, press the dropdown menu next toScaleand pick the recommended option from it.
3.Then, tap on the dropdown menu next toDisplay resolutionand choose the recommended display resolution from it.
Therefore, we recommend youcheck your second monitors refresh rate configs.
2.Then, navigate to theAdvanced displaysection and setChoose a refresh rateas your primary screens refresh rate.
Its possible that this service isnt running correctly, which is causing these issues with the connected displays.
To check whether thats true, we recommend yourestart the Display Policy Serviceusing theServicesutility.
Doing so will completely refresh this Windows service and fix all the temporary glitches with it.
2.In theServicesprompt, search forDisplay Policy Service, right-punch it, and selectPropertiesfrom it.
3.Then, select theStopbutton under theService statussection to stop it and then click onStartto restart it.
Disable/Update/Reinstall Display Adapters
The systems display adapters also play an essential role in connecting multiple monitors to the system.
If the display adapters get some issues and stop working, then they can lead to issues like these.
To confirm it isnt the same, we suggest youre-enable your Windows 11 computers display adapters.
This will refresh the display adapters and eliminate all kinds of issues with them.
2.Next, hit a display adapter in theDisplay adapterssection and right-hit it to kick off the menu.
3.Then, choose theDisable deviceoption from the popup menu to deactivate the selected display driver on the PC.
If re-enabling the display adapters doesnt fix the issue, then we recommend youupdate them.
2.Now, select theUpdate driveroption from the popup menu to update the selected display adapter on your gear.
3.Next, click onSearch automatically for driverson theHow do you want to search for drivers?prompt.
If nothing fixes the issue, then the last option is toreinstall them.
So, here are the steps to do the same.
1.To do so, right-grab the display adapter in theDisplay adapterssection and right-select it to launch the menu.
2.Then, select theUninstall deviceoption from the menu to uninstall the display adapter from your gear.
3.Next, select theScan for hardware changesoption from theActionmenu at the top to reinstall the driver.
2.Next, click thePrograms and Featuresoption and select theView installed updatesoption from the left bar.
update display driver
3.Then, hit the faulty Windows update in theUninstall updatessection and click theUninstallbutton next to it.
4.Finally, again tap on theUninstalloption on the window to remove the conflicting update from your system.
Once done, restart the system and check whether the issue is fixed.
Most probably, the issue must be fixed now.
In that case, we recommend youscan for new software updatesthat can resolve these issues and install them.
1.To do so, open theSettings appon your Windows 11 PC and navigate to theWindows Updatesection.
2.Then, click theCheck for updatesbutton at the top to search for new Windows operating system updates.
3.Lastly, tap on theDownload and install alloption to drop in the pending updates on your Windows PC.
It would take some extra steps instead of connecting it automatically.
But itll simply connect to the system.
2.Next, click onDisplayin theSystemcategory and then expand theMultiple displayssection to get the option.
3.Then, click theDetectbutton next toDetect other displayto let the system detect the connected display.
2.Now, expand theMultiple displayssection and click onConnectnext toConnect to a wireless display.
3.Next, wait for the system to search for your wireless display.
Then, look for your display in theCastsection under theAvailable devicessection and select it.
2.Now, punch theReset PCbutton in theRecovery optionssection and select theRemove everythingoption.
3.After that, punch theLocal reinstalloption on theHow would you like to reinstall Windows?prompt.
4.Then, click theNextbutton on theAdditional settingswindow and then click onResetto start the reset process.
FAQs
Why Is Windows 11 Not Detecting the 2nd Screen?
To check whether its the same, we suggest you check your cable and double-check its working.
If thats not the case, we suggest you see to it that your second display is powered on.
How Do I Get Windows 11 to Recognize Another Monitor?
Once the display is shown under theMultiple displayssection, hit it to connect the display.
Can I Run 2 Monitors From 1 Graphics Card?
you’re able to check your graphic cards specs to know whether it supports dual monitors.
How Do I Use Dual Monitors With Windows 11?
After connecting the monitor to the system, itll automatically detect it and start working.
If the Windows 11 system doesnt detect the second monitor automatically, checkFix 12to connect it manually.
The Second Monitor Is Working Now…
There are several advantages of using a second monitor with the system.
However, some Windows 11 users are unable to connect their second monitor to their Windows 11 system.
According to them, their PC is unable to detect their monitor.
Before leaving this troubleshooting article, double-check to share which workaround helped you fix it.
