The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs.

Lithium-ion batteries wear out over time, which can result in a battery not holding a charge for as long as it did when it was new. Keeping the battery charged to 100% all the time can cause it to deteriorate faster.

Why accounts are locked and disabled. Microsoft accounts are usually locked if the account holder has violated our Microsoft Services Agreement.Here are some common reasons why accounts are locked, though not all account locks occur for these reasons:

Learn how to change settings to enable Secure Boot if you are not able to upgrade to Windows 11 because your PC is not currently Secure Boot capable.

获取 Windows 操作系统的官方支持和帮助信息，以及如何使用 Windows 的指南。

信息类型. 将删除的内容. 存储的内容. 浏览历史记录. 所访问站点的 url，以及每次访问的日期和时间。 在你的设备上（如果打开了同步，则在所有已同步设备上）

注意: 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。

Safe mode starts Windows with a minimal set of drivers and services to help troubleshoot issues. If a problem doesn't reappear when you start your PC in safe mode, you can eliminate the default settings and basic device drivers and services as possible causes.

Track your tasks in My Tasks. Planner offers a purpose-built My Tasks view, designed to centralize all the tasks relevant to you. My Tasks is organized into four distinct views, each serving a unique purpose: Private tasks: Private tasks is a place for you to quickly jot down tasks at the speed of thought.This is a place where you can create tasks that do not belong to a plan yet.

Important: You won't lose files or data by resetting OneDrive on your computer.Resetting OneDrive only disconnects all your sync connections (including personal and work or school).