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Fix connections to wireless displays or docks in Windows
To do this on your PC, select the Network icon at the far right of the taskbar, and then check the Wi-Fi quick setting. Make sure the display supports Miracast and verify it's turned on. If your wireless display doesn't support Miracast, you’ll need a Miracast adapter (sometimes called a dongle) that plugs into an HDMI port.
Wi-Fi problems and your home layout - Microsoft Support
You usually do this through a web browser. For more info, check the documentation for your access point or visit the device manufacturers website. Choose the right network band for your devices. For consumer Wi-Fi networks, there are three frequency bands: 2.4 GHz, 5 GHz, and 6 GHz. The following is a list of the pros and cons for each. 2.4 GHz.
How can I prevent users from connecting to a USB storage device?
Describes methods to prevent users from connecting to a USB storage device that is connected to a Windows XP-based, Windows Server 2003-based, or Windows 2000-based computer.
MTP driver update causes USB connected phone or portable device issue ...
This update includes a fix for an incorrect device driver (“Microsoft – WPD – 2/22/2016 12:00:00 AM - 5.2.5326.4762”) that was released by a third-party on March 8, 2017 that affected a small group of users with USB connected phones or other media devices that rely on Media Transfer Protocol (MTP).
HOW TO: Force Windows to Use Standard VGA Compatible Driver
Move the Oemn.inf and Oemn.pnf files back to the %Systemroot%\Inf folder. Use Device Manager to remove the VGA video adapter, and then restart the computer. Windows Plug and Play locates the OEM video adapter and reinstalls the OEM drivers automatically.
Recover lost files on Windows 10 - Microsoft Support
Use this app to try to recover lost files that have been deleted from your local storage device (including internal drives, external drives, and USB devices) and can’t be restored from the Recycle Bin.
Retrieve files from the Windows.old folder - Microsoft Support
Double-tap or double-click the drive that Windows is installed on (typically, the C: drive). Double-tap or double-click the Windows.old folder. Double-tap or double-click the Users folder. Double-tap or double-click your user name. Open the folders that contain the files you want to retrieve.
Open XML Formats and file name extensions - Microsoft Support
The Open XML Format uses zip compression technology to store documents, offering potential cost savings as it reduces the disk space required to store files and decreases the bandwidth needed to send files via e-mail, over networks, and across the Internet. When you open a file, it is automatically unzipped.
Applies To: Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Excel 2021, Word 2021, PowerPoint 2021, Office 2021, Excel 2019, Word 2019, PowerPoint 2019, Office 2019, Excel 2016, Word 2016, PowerPoint 2016, Office 2016
Windows 10 and Windows Server 2019 update history
A software update to the external provider’s DNS servers resulted in the distribution of corrupted DNS records that affected connectivity to the Windows Update service.
Excel video training - Microsoft Support
Make your first PivotTable. Get more out of PivotTables. Other training. Templates. A list of Excel training, from entry level to advanced skills, plus templates and other resources.
Applies To: Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2016