Things to try first. Try these things first to help you fix or narrow down the connection problem. Run Get Help to troubleshoot and fix common connection problems. Right click the network icon in the right side of the taskbar and select Diagnose network problems or open Get Help for Network & Internet

To adjust power and sleep settings in Windows 11, select Start > Settings > System > Power & battery > Screen, sleep, & hibernate timeouts. Turn my screen off after: Select how long you want your device to wait before turning the screen off when you're not using your device, both when it's plugged in and when it's on battery power.

Learn about file sharing over a network in Windows. Note: This article focuses on how to share files or folders over a Local Area Network (or LAN), such as connected computers within your home or workplace.If you are trying to find out how to share a file over the Internet, for example with a friend or family member, OneDrive provides easy ways to accomplish this.

To use mobile apps on your Windows 11 PC, you need to install the Amazon Appstore. Once it's set up, you'll be able to browse and install mobile apps from a curated catalogue.

After setting up web protection, we'll set up anti-malware protection.To do this we need to ask for a couple more permissions. Access device storage. Microsoft Defender scans apps and files on your device to watch for possible threats.

使用 vlookup、hlookup 和其他函数（如 index 和 match）根据您输入的值搜索和查找数据。 本文将让您快速回顾 vlookup，然后链接到更多内容。

Starting with Windows 11, version 22H2, the known Windows folders—Desktop, Documents, Downloads, Pictures, Music, and Videos—are available by default as pinned folders in Quick access in both File Explorer Home and the left navigation pane.These default folders are no longer displayed under This PC to keep the view focused on your PC’s drives and network locations.

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

Open Rewards dashboard. To earn points by searching with Bing on your mobile device, set Bing as your default search engine, use the Bing app, or use the Microsoft Launcher for Android app.

If the self-help answers don't resolve your issue, try a different search, or scroll to the bottom of the Help pane and, under Still need help?, select Yes.