This article describes a problem with CD or DVD drives not work, or is missing, or not recognized after installing or uninstalling programs.

Updates to the default screen and sleep settings now help you use energy more efficiently and extend battery life. You can find efficiency settings in Windows 11 at Settings > System > Power & battery.. For a guided walkthrough of how each of the power and battery settings can improve your device's performance, click the button to open the Get Help app:

You can resolve problems with Microsoft Authenticator by checking the tips in this article and reviewing some of the known errors.

Troubleshoot problems you might be having with your mouse or keyboard, or other wireless device in Windows.

Learn how to use Feedback Hub to report problems or send suggestions to Microsoft.

Resetting Microsoft OneDrive can sometimes resolve sync issues. Follow the steps to reset your OneDrive.

Learn how to remove malware from your PC. Use Microsoft Defender Antivirus in Windows 10 or Windows 11 to scan your PC for malware, viruses, or other threats.

If your Surface touchscreen doesn’t work, try these steps first. To try to resolve these issues, you can begin by following the steps below to boot to UEFI and test touch functionality, reinstall the touchscreen driver, check for Windows and Surface updates, or reset Surface.. If that doesn't resolve the issues, you can find more info in Is your touchscreen still not working?.

Training: Get started with SharePoint in Microsoft 365. At office.com, sign in to SharePoint, then select the SharePoint tile.

Wondering what multifactor authentication, sometimes known as two step verification, is? This article will explain it clearly.