To address the issues you're experiencing after updating to Windows 11, start by running the Windows Update Troubleshooter and ensure all drivers are up to date through the Device Manager. Next, use the Command Prompt as an administrator to run sfc /scannow and DISM /Online /Cleanup-Image /RestoreHealth to check and repair system files. If the problem persists, you can roll back to Windows 10 by going to Settings > Update & Security > Recovery within 10 days of the upgrade, otherwise, you might need to perform a clean installation of Windows 10. Don't forget to back up your important data before making any major changes.
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