Windows allows users to connect external monitors to improve working efficiency. But sometimes, when you connect another monitor, your mouse doesn’t work correctly. Many people encounter the mouse lagging on the second monitor problem. This MiniTool post will show you how to resolve it.
The mouse lagging on the second monitor problem can be caused by several reasons, like an outdated driver, mismatched refresh rate between the two monitors, etc. You can read the following content to fix the problem.
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How to Fix the Mouse Lags on the Second Monitor
Fix 1: Try Another USB Port
Sometimes, the insufficient power supply of your USB port might cause this problem. If you connect the mouse via a USB hub, try to connect it to the computer directly. You can also change to another USB port to see if the mouse works correctly.
Fix 2: Update/Reinstall Drivers
When the drivers become incompatible with your computer, plenty of problems might happen. The mouse lags when connected to an external monitor problem might be related to the graphics driver and the mouse driver. You can update or reinstall the corresponding drivers to fix this issue.
>> Update the Graphics Driver
Step 1: Press Win + X and choose Device Management from the WinX menu.
Step 2: Expand the Display adapters option and right-click on the graphics driver.
Step 3: Choose Update driver from the context menu.
Step 4: Click on Search automatically for drivers in the prompt window.
>>Update the Mouse Driver
Step 1: You should open the Device Management again.
Step 2: Expand the Mice and other pointing devices selection to find your mouse device.
Step 3: Right-click on it and choose Update driver from the context menu.
After you update the above two drivers, you can check whether the mouse lagging on the second monitor problem is solved. If not, try to reinstall these drivers by choosing Uninstall device from the same right-click menu and then restarting your computer. During the rebooting process, your computer will install the latest corresponding drivers automatically.
Fix 3: Disable Mouse Pointer Shadow
The mouse pointer shadow is a feature that can help people find their cursor quickly on a lightly colored interface or program. In some cases, people find their mouse lags on the second monitor due to the mouse pointer shadow feature. Follow the next steps to disable this feature if you have enabled it.
Step 1: Click on the search icon at the left corner.
Step 2: Type Control Penal into the search bar and hit Enter to open the Control Penal window.
Step 3: Type performance into the search bar on the top right of the Control Penal.
Step 4: Select Adjust the appearance and performance of Windows.
Step 5: In the Performance Options window, you should uncheck the Show shadows under the mouse pointer option.
Step 6: Click Apply and OK in sequence to confirm this change.
Fix 4: Change the Monitor Refresh Rate
When the two monitors’ refresh rate is not matched, the second monitor is unable to identify the latest movement of the cursor; thus, you will feel like the mouse lagging on the second monitor. Changing the monitor refresh rate might be helpful.
Step 1: Press Win + I to open Windows Settings.
Step 2: Choose System > Display.
Step 3: On the right pane, click on the Advanced display settings under the Multiple displays section.
Step 4: Select the monitor you need to change from the drop-down menu of the Choose display section. Then, you should click on the Display adapter properties for Display x.
Step 5: Turn to the Monitor tab and adjust the monitor refresh rate to match the main display.
Step 6: Click Apply > OK to apply this change.
Bottom Line
If you encounter the mouse lagging on the second monitor problem, your working efficiency and emotions might be impacted greatly. Try the methods explained in this post. Hope one of them can resolve your issue.
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