汇报默认屏幕和睡眠设置现在可帮助你更高效地使用能量并延长电池使用时间。. 可以在 Windows 11 中找到效率 设置 >系统 > 电源 & 电池 。. 有关每个电源和电池设置如何提高设备性能的引导式演练，请单击按钮打开“获取帮助”应用：. 获取帮助中的引导演练 ...

Tap or click Update and recovery, and then tap or click Windows Update. Tap or click Check now. If updates are found, tap or click View details. In the list of updates, select the update containing KB 2919355, and then tap or click Install. If you're prompted for an administrator password or confirmation, enter the password or provide confirmation.

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Data Execution Prevention (DEP) is a technology built into Windows that helps protect you from executable code launching from places it's not supposed to. DEP does that by marking some areas of your PC's memory as being for data only, no executable code or apps will be allowed to run from those areas of memory.

Bluetooth 4.0 (or later) with Low Energy (LE) support. To find out if Bluetooth LE is supported, on each PC, select the Start button, type device manager and select Device Manager from the list of results, expand Bluetooth, and then select the name of your Bluetooth radio adapter. Right-click it, select Properties, select Details, and then select Bluetooth radio supports Low Energy Central ...

Sélectionnez le lien Télécharger qui correspond à votre version de Windows 7. Sélectionnez chacun des liens de téléchargement et enregistrez-les sur votre PC. Lorsque vous êtes prêt à installer SP1, exécutez le fichier .exe que vous avez téléchargé à partir du site. Suivez ensuite les instructions pour installer SP1.

This security update makes improvements to Secure Boot DBX for the supported Windows versions listed in the "Applies to" section. Key changes include the following: Windows devices that has Unified Extensible Firmware Interface (UEFI) based firmware can run with Secure Boot enabled. The Secure Boot Forbidden Signature Database (DBX) prevents ...

Use Windows Update. Install software that came with your printer. If you double-click the installation file and nothing happens, follow these steps:

Join a meeting. Set up a meeting in Outlook. Record and play back a meeting. Explore Skype for Business training. Change your presence status. Need help signing in? Get Skype for Business on your Mac.

Change the default download folder on your PC. Open Internet Explorer, select the Tools button, and then select View downloads. In the View Downloads dialog box, select Options in the lower-left. Choose a different default download location by selecting Browse and then selecting OK when you're done.