Troubleshooting black or blank screens in Windows
For a black screen, use the following keyboard shortcut: Windows logo key + Ctrl + Shift + B to reset your graphics driver.
How to get help in Windows - Microsoft Support
Here are a few different ways to find help for Windows. Search for help - Enter a question or keywords in the search box on the taskbar to find apps, files, settings, and get help from the web.
Troubleshoot slow game or app downloads on PC | Xbox Support
Network contention on your home network – Network-enabled devices can compete on your home network for the same download bandwidth as your PC. Try pausing any download activity from other devices on your home network to see if that improves the download speed.
Get help with Windows activation errors - Microsoft Support
Notes: If you don't see Go to Microsoft Store on the Activation page, contact your organization's support person.. If you made a substantial hardware changes to your device (such as replacing the motherboard) and you have a valid product key, try to activate Windows by phone.
Excel help & learning
Find Microsoft Excel help and learning resources. Explore how-to articles, guides, training videos, and tips to efficiently use Excel.
Find your BitLocker recovery key - Microsoft Support
A BitLocker recovery key is needed when BitLocker can’t automatically unlock an encrypted drive in Windows. This key, which is a 48-digit number, is used to regain access to the drive.
Keep your PC up to date - Microsoft Support
We've made it easier to keep Windows current with the latest features and improvements—and with fewer interruptions and restarts when you're using your PC the most.
Use a link or code to join a team in Microsoft Teams
Use a code. Select Teams on the left side of the app, then select Create and join teams and channels at the top of your teams list.
Applies To:
Microsoft Teams
Use Excel with earlier versions of Excel - Microsoft Support
After you have installed a new version of Excel, you may want to know how you can continue to work with workbooks that are created in an earlier version of Excel, how you can keep these workbooks accessible for users who do not have the current version of Excel installed, and how the differences between the versions affect the way that you work.
Applies To:
Excel for Microsoft 365, Excel 2024, Excel 2021, Excel 2019, Excel 2016, Excel 2013
How to use the taskbar in Windows - Microsoft Support
These are the buttons and bars that sit right next to your Start button and cannot be moved.. Search on the taskbar can be set in four ways: either to Search box, which includes a full text box to enter your search (or your Bing Chat prompt; see Using the new Bing on the Windows taskbar for more) into plus additional search highlights, Search icon and label (displaying as a search icon and ...