Select Start > Settings > System > Display > Advanced display . Next to Choose a refresh rate , select the Dynamic option. ( Note: This option is only available on supported hardware. If you don’t see the Dynamic option, then your hardware doesn’t support DRR.) If you want to disable DRR and use a fixed refresh rate, you can select a ...

在 Excel 中将 IF 与 AND、OR 和 NOT 函数配合使用. 在 Excel 中，IF 函数允许通过测试某个条件并返回结果（如果该条件为 True 或 False），在值和预期值之间进行逻辑比较。. 但如果需要测试多个条件，例如我们假设所有条件都需要为 True 或 False ( AND )，或只有一个条件 ...

RAM: 4 GB. If your PC has less than 4GB of memory, there are sometimes options for upgrading to get additional RAM. You may want to consult your PC manufacturer’s website or with a retailer to see if there are easy and affordable options to meet the minimum requirements for Windows 11. Storage: 64 GB or larger storage device.

To access your sign-in options, go to Start > Settings > Accounts > Sign-in options.. Or just select this button: Go to Sign-in options. Change or manage your password or PIN. To change your password or PIN, go to Start > Settings > Accounts > Sign-in options. Select PIN (Windows Hello), and then select Change PIN.

Possible causes. Use the charger and cable included with your PC. Make sure you're connecting your charger to the USB-C charging port on your PC. Use a can of compressed air to clean the USB-C port on your PC. The charger isn’t compatible with your PC. The charger isn’t powerful enough to charge your PC.

可以使用“设置”应用配置和管理 Windows Hello。. 在 Windows 设备上的“设置”应用中 ，选择“ 帐户 ”> “登录选项 ”或使用以下快捷方式：. 登录选项. 在 “登录方式” 下，有三种使用 Windows Hello 登录的选项：. 选择“人脸识别 (Windows Hello) ”，使用电脑的红外 ...

The Gaming Services Repair Tool for PC is now also integrated directly into the Xbox app for PC. To run the Gaming Services Repair Tool on your PC, make sure you have the 2311.1001.7.0 version or newer of the Xbox app on PC installed. To check your Xbox app version number: Launch the Xbox app for PC. Click your Profile picture.

在任务栏上的搜索框中，输入 设备管理器 ，然后选择 设备管理器 。. 选择类别以查看设备名称，然后右键单击（或长按）你要更新的设备。. 选择“自动搜索更新的驱动程序软件”。. 选择“更新驱动程序”。. 如果 Windows 找不到新的驱动程序，你可以在设备 ...

If you see a Let's get started screen with options to try, buy, or activate Office, this means that Office is installed on your new PC as a 1-month trial of Microsoft 365 Family. You won't receive a product key from your PC manufacturer unless you paid for an Office product key card. Instead, you can start a trial of Microsoft 365 Family, or buy Office.

Country/region. Microsoft Store sales support. Technical or download support. Egypt +20 2 353 3333. Technical support. South Africa. 0800 167 344. Technical support