Uninstall or remove apps and programs in Windows - Microsoft Support
Press and hold (or right-click) on the app, then select Uninstall. Select Start > Settings > Apps > Installed apps . Find the app you want to remove, select More > Uninstall. Note: Some apps can't be uninstalled from the Settings app right now. For help uninstalling these apps, follow the instructions to uninstall from Control Panel.
Turn off, disable, or uninstall OneDrive - Microsoft Support
Click the OneDrive cloud icon up in your Menu bar, click Help & Settings to open the menu, and select Preferences. Select Unlink this Mac. On some versions of Windows, you can also hide or uninstall OneDrive. You can also uninstall the OneDrive mobile app from Android and iOS devices.
Applies To: OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, SharePoint in Microsoft 365, Office for business, Microsoft 365 admin, OneDrive (work or school), OneDrive (home or personal), OneDrive (work or school) operated by 21Vianet, OneDrive for Mac, OneDrive for Windows, SharePoint admin center, SharePoint in Microsoft 365 Small Business, SharePoint operated by 21Vianet
Fix problems that block programs from being installed or removed
Block you from uninstalling a program through Add or Remove Programs (or Programs and Features) in Control Panel. If you're trying to remove malware, you can use Windows Security (or another antivirus tool), or you can use the Windows Malicious Software Removal tool.
Uninstall Microsoft Teams - Microsoft Support
Follow the steps below to fully uninstall Teams. Quit Teams by right-clicking the Teams icon in the taskbar and choosing Close window. In Windows, click on the Start button , > Settings > Apps. Under Apps & features, search "teams". Highlight Microsoft Teams, then select Uninstall. A box will appear, then again select Uninstall to confirm.
Applies To: Microsoft Teams
Fix problems that block programs from being installed or removed
Block you from uninstalling a program through Add or Remove Programs (or Programs and Features) in Control Panel. If you're trying to remove malware, you can use Windows Security (or another antivirus tool), or you can use the Windows Malicious Software Removal tool.
How to use the PC Health Check app - Microsoft Support
PC Health Check app brings you up to date info on your Windows device health, helping you take action to improve your device performance and troubleshoot performance problems. It is periodically updated based on customer feedback to help you make the most of your Windows PC. How to open PC Health Check.
Windows troubleshooters - Microsoft Support
Get Help has troubleshooters you can run for many common scenarios. These often help resolve issues without the need to contact support. If a troubleshooter is available for your issue, select Run to start that troubleshooter.
How to start a scan for viruses or malware in Microsoft Defender
For the most complete scan, run Microsoft Defender Offline. For more about that see Help protect my PC with Microsoft Defender Offline. When the scan completes, Defender will tell you if it found anything. When would I want to run a scan?
Applies To: Microsoft Defender on Android, Microsoft Defender on Mac, Microsoft Defender on Windows
Troubleshoot external monitor connections in Windows - Microsoft Support
Right-click your display adapter and select Properties and the Driver tab, and then select Roll Back Driver. If you don't see a roll back option, reinstall your display driver. If none of the previous steps work, reinstall your display driver. Here’s how: You may be asked to restart your computer.
Troubleshoot screen flickering in Windows - Microsoft Support
Try uninstalling the app, here's how: Scroll down the list and find the app you want to uninstall. After you uninstall the first app, restart your device and check if the screen flickering or scrambled issue is resolved or not. If it's not, uninstall each app one by one until the issue is resolved.