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Mouse and keyboard problems in Windows - Microsoft Support
Check the device. If the device doesn't appear to work at all (no lights appear on the device when it’s plugged in, or the cursor doesn't move or doesn't appear on the screen), connect the device to another PC and make sure the device works on that PC.
Send automatic replies (out of office) from Outlook
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.
适用于: Microsoft 365 专属 Outlook, Outlook 2021, Outlook 2019, Outlook 2016, Office 商业版, Office 365 小型企业版, Microsoft 365 管理员, Outlook 网页版, Outlook.com, 新的 Outlook for Windows, 适用于 Exchange Server 2016 的 Outlook 网页版, 适用于 Exchange Server 2019 的 Outlook 网页版
检查你的 DirectX 版本 - Microsoft 支持
检查你的版本 DirectX 是许多 Windows 游戏都需要的一种多媒体技术套件。 如果你的电脑未安装正确版本的 DirectX(产品包装盒上应标有所需的版本),游戏可能无法正常运行。
Change or reset your password - Microsoft Support
Important: Microsoft accounts, the Windows operating system, and other Microsoft products include passwords to help secure your information.This article provides some options that you can use to reset or recover your password if you forget it. Be aware that, if these options don’t work, Microsoft support can't help you retrieve or circumvent a lost or forgotten password.
View display settings in Windows - Microsoft Support
To change your screen resolution, use the drop-down menu under Display resolution.. Note: You should use the Recommended resolution. If you change the resolution, content might appear blurry or pixelated.
Solve PC problems remotely with Remote Assistance and Easy Connect
Do one of the following: If you've never used Easy Connect, select Use Easy Connect.. If you've used Easy Connect before, select your helper’s contact name. To invite someone who isn't on your contact list, select Invite someone to help you.
Defragment your Windows 10 PC - Microsoft Support
Optimizing your drives can help your PC run smoother and boot up faster. To optimize them: Select the search bar on the taskbar and enter defrag.
Fix network connection issues in Windows - Microsoft Support
Try these things to troubleshoot network connection issues in Windows 11. Make sure Wi-Fi is on. Select Start > Settings > Network & internet, then turn on Wi-Fi.Next, select More options (>) next to Wi-Fi, then select Show available networks.If a network you expect to see appears in the list, select it, then select Connect. Open Wi-Fi settings
Upgrade to Windows 10 Pro - Microsoft Support
Windows 10 Pro offers more advanced security and business networking features, including: BitLocker Drive Encryption
Change or reset your PIN - Microsoft Support
If you forgot your PIN and need to reset it, you can do so from the Windows sign-in screen. Look below the PIN text box: If you see I forgot my PIN , select it and follow the instructions to reset your PIN.If there are multiple accounts on the device, choose the one you need to reset.