[Troubleshooting] System lag when connect to an external monitor and set to "Second screen only"
Answer
Please follow steps below to perform a clean installation of Intel Graphics Driver version 23.20.16.4939, hide the automatic driver update from Windows Update to solve the problem.
A. Uninstall Current Driver
1) Right-click on the Windows icon and select “device manager”.
2) Double-click on the “Display Adapters”, right-click on the “Intel HD Graphics” device and select the “Uninstall device”.
3) Check “Delete the driver software for this device” and click “Uninstall” button to start the uninstallation.
B. Re-install the Graphics Driver
1) After the laptop restars, extract the file downloaded before and double click on "Setup.exe" to start the installer.
2) Follow the on-screen instructions to complete the driver install process.
C. Hide the Automaic Updates from Windows Update
1) Download "Show or hide updates" troubleshooter from the Microsoft Support Knowledgebase page.
2) Double click on the extracted wushowhide.diagcab file to open it.
3) Make sure you hit the advanced link on the first page that comes up and disable the option to "apply repairs automatically". Then click on “Next”.
4) Wait for the tool to scan for updates and select "Hide updates".
*Note: Windows only displays updates on the this page that are not installed already. This means that you need to remove an update through other means before you can hide (block) it with the help of this tool.
5) The selected updates are now hidden. Click on “Close” when finished.
#External Display #Second screen only #Laggy