重置忘记的 Microsoft 帐户密码. 如果知道密码，但只想更改密码，请转到 “account.microsoft.com 安全 ”选项卡，然后选择“ 更改我的密码 ”。. 如果知道用户名和密码但已停止工作，请阅读 我的用户名和密码已停止工作 。. 1. 选择“忘记了密码？. 如果“输入密码 ...

In the To: address line, start typing the contact you want to hide. When the contact you want to hide appears in the list of suggested contacts, look for the X to the right of the contact's name. Select the X and the contact will be removed from the list and will also be hidden for later use. If you accidentally hid the contact, select Undo in ...

To change the power mode, select Start > Settings > System > Power & battery. For Power mode, choose the one you want. Note: You might not be able to change the power mode when a custom power plan is selected. If you can’t set the power mode in Power & battery settings, open Control Panel, select System and Security > Power Options, then ...

An upgrade can take place on your existing device, though Microsoft recommends using Windows 10 on a new PC to take advantage of the latest features and security improvements. This FAQ is intended to answer questions about upgrading to Windows 10. An update ensures you have the most recent features and security improvements for your current ...

Select Start > Settings > Apps > Apps & features. Apps & features in Settings. Select the More icon next to the app you want to fix. Select the Advanced options link under the name of the app (some apps don't have this option). On the page that opens, select Repair if it's available. If it isn't available or doesn't fix the problem, select Reset.

Here's how: Select Start > Settings > Windows Update and, next to Get the latest updates as soon as they're available, set the toggle to On. Note: Whether you set the toggle to Off or On, you'll still get the regular security updates as usual. The toggle determines how quickly you get the additional non-security updates, fixes, feature updates ...

When you're ready, here's how to set it up: Plug one end of the video cable into the port on the external screen. Make sure that your TV, monitor, or projector is turned on. Connect the other end of the cable to the video adapter. Connect the adapter to your Surface. Make sure you're plugging in the right part of the cable to the right input.

按 Windows 徽标键 以打开“开始”菜单，然后在搜索栏中输入“cmd”。. 右键单击“命令提示符”，然后选择“以管理员身份运行”。. 按“输入”键以运行命令。. 命令提示符将输出一些文本以指示命令是否已成功处理。. 命令提示符完成任务后，请尝试再次启动 ...

Basic tasks in Excel. Excel is an incredibly powerful tool for getting meaning out of vast amounts of data. But it also works really well for simple calculations and tracking almost any kind of information. The key for unlocking all that potential is the grid of cells. Cells can contain numbers, text, or formulas.

First, try checking your hardware. Try using a different USB port on your PC. If you use a USB hub between the device and the PC, make sure the hub has power. If it’s still not working, try removing the USB hub and plugging the device directly into a USB port on the PC. Make sure that the cables on your device aren't damaged in any way.