控制器序列号的长度为 14 个字符，并且不包含短划线。如果从未连接过控制器，或者在最近 48 小时内首次连接，则可能无法识别控制器序列号。 如果有 Xbox Elite 无线控制器系列 2，则 14 个字符的序列号位于控制器背面下方中间。

Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.

Important: Before trying any of the solutions below, make sure you back up your personal files. You can back up your Windows PC, or insert a USB drive and use File Explorer to drag and copy important files to the USB drive.If you’re signing into Windows with a Microsoft account, your system settings will be automatically restored after updating, once you’re connected to the internet.

Learn how to install the latest version of DirectX to enable games and multimedia applications on your system.

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.

To turn off your PC in Windows 10, select the Start button, select the Power button, and then select Shut down.. I'm having trouble opening the Start menu

Als je ondersteuning wilt krijgen in Outlook.com, klik je hier of selecteer je Help op de menubalk en voer je je query in. Als de zelfhulp uw probleem niet oplost, schuift u omlaag naar Hebt u nog steeds hulp nodig? en selecteer Ja.. Als je contact met ons wilt opnemen in Outlook.com, moet je je aanmelden. Als u zich niet kunt aanmelden, klikt u hier.

可通过不同的方式删除应用和程序，因此如果找不到要查找的应用和程序，可以尝试另一个位置。 请注意，某些应用和程序内置于 Windows 中，无法卸载。

Troubleshooting: I don't see Automatic Replies. If you don't see Automatic Replies after selecting File, you're probably using a Gmail, Yahoo, or other POP or IMAP account that doesn't support the Outlook Automatic Replies feature.You can set up a rule that will reply to incoming messages—if you leave Outlook running while you're away.

Wait for it to find nearby printers, then locate the one you want to use, and select Add device.If you want to remove the printer later, select it, and then select Remove.