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Fix problems with your PC by using Windows Update
Windows Update recommends a reinstall after an update installation fails. If an update fails to install because of problems related to system files or components, you might see the following message in the Windows Update page in Settings:. Reinstall your current version of Windows to repair system files and components.
Change or delete a header or footer on a single page
Important: Section breaks are different from page breaks.If you already have a page break before the page where you want to change the header or footer, remove a page break and replace it with a section break as shown below.
适用于: Microsoft 365 专属 Word, Microsoft 365 Mac 版专属 Word, Word 网页版, Word 2021, Word 2021 for Mac, Word 2019, Word 2019 for Mac, Word 2016
Back up your Windows PC - Microsoft Support
Step 2: Back up your folders. Windows Backup is an easy, single stop for all of your backup needs. Your free Microsoft account comes with 5 GB of OneDrive cloud storage (and more storage is available if you need it), and backing up your folders syncs the folders you specify to your OneDrive account, making them instantly accessible on all computers that you use with this Microsoft account.
OneDrive help & learning
Explore OneDrive support, help, and learning resources. Learn how to protect your important files, documents, and memories with OneDrive.
Use the System File Checker tool to repair missing or corrupted system ...
Swipe in from the right edge of the screen, and then tap Search.Or, if you are using a mouse, point to the lower-right corner of the screen, and then click Search.Type Command Prompt in the Search box, right-click Command Prompt, and then click Run as administrator.If you are prompted for an administrator password or for a confirmation, type the password, or click Allow.
Actualizar controladores manualmente en Windows
Nota: La mejor y más segura manera de obtener actualizaciones de controladores en Windows es siempre a través de Windows Update.Si tiene problemas con Windows Update, es posible que vea si alguno de los vínculos de Actualizar Windows puede ayudarle primero.
Getting ready for the Windows 11 upgrade - Microsoft Support
If you're running Windows 8.1 or earlier, or if your PC doesn't meet the minimum system requirements to run Windows 11, consider moving to a new Windows 11 device. Find a PC that meets your needs. Set up your Microsoft account to transfer files and favorites. One account connects your device across Microsoft apps and services like Microsoft 365, OneDrive, Edge, and Microsoft Store.
Show desktop icons in Windows - Microsoft Support
Note: If you are in tablet mode, you may not be able to see your desktop icons properly.You can find the program by searching for the program name in File Explorer. To turn off tablet mode, select action center on the taskbar (next to date and time), and then select Tablet mode to turn it on or off.
Troubleshooting offline printer problems in Windows
To find out if your printer is connected to Wi-Fi, see if your printer's built-in menu has options for checking its Wi-Fi connection, or check the printer's manual for instructions about how to add it to a Wi-Fi network.
失われたファイルまたは削除されたファイルを回復する ...
注: ライブラリに含まれているファイルまたはフォルダーの以前のバージョンを復元する場合は、ライブラリ内ではなく目的のファイルまたはフォルダーが保存されている場所で、そのファイルまたはフォルダーを右クリックします。たとえば、以前のバージョンに戻す画像が画像ライブラリー ...