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1. www.dell.com › support › kbdocWindows 11 和 Windows 10 中的关机、睡眠、休眠或更改电源计划 ... 簡

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   要在 Windows 11 和 Windows 10 中更改电源计划，请执行这些操作：. 开始 ，然后键入“睡眠”。. 选择 Power and Sleep settings （电源和睡眠设置），然后选择屏幕底部的 Additional power settings （其他电源设置）。. 出现 “Power Options（电源选项）” 窗口。. 选择 Balanced ...

2. www.dell.com › supDrivers & Downloads | Dell US

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   View the Drivers and Downloads FAQs for more information on why you should update your drivers, how to update them, where to find the required drivers, and installation videos. View the Dell release schedule for BIOS, drivers, firmware, and other software components for desktops, laptops, and all-in-one computers.

3. www.dell.com › suppSupport | Dell US

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   Contact us for technical issues, order support or other questions. Contact Support. Get support for your Dell product with free diagnostic tests, drivers, downloads, how-to articles, videos, FAQs and community forums. Or speak with a Dell technical expert by phone or chat.

4. www.dell.com › support › kbdoc如何使用 POWERCFG 命令生成电池报告 | Dell 中国簡

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   使用 POWERCFG 命令生成的电池报告. 打开命令 （CMD） 提示符。. （ 命令提示符：它是什么以及如何在戴尔系统上使用它 ）. 键入以下命令（ 图 1 ）： powercfg /batteryreport. 按 Enter 键。. 图 1. 在 文件资源管理器 中转到 C：\Users\“user_name” ，查找 battery_report.html 文件 ...

5. www.dell.com › support › kbdocTroubleshooting Audio Problems in Windows 11 | Dell US

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   2023年4月17日 · Instructions. Troubleshooting Audio Problems in Windows 11. This article, it will show you various methods to troubleshoot, in case if audio is not working properly on your system. The common audio problems you might see are: Audio not working after installing some update. The audio loss all of sudden. Audio loss intermittently.

6. www.dell.com › support › contentsFind your Service Tag or Serial Number | Dell US

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   Here are 4 different ways to find the Service Tag of your Dell laptop. The Service Tag is unique to your Dell laptop and is required to download drivers, check the warranty status, download user guides from the Dell Support website or get customer support. Read article.

7. www.dell.com › support › homeRealtek Audio Driver | Driver Details | Dell US

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   If you are experiencing any issues, you can manually download and reinstall. This package contains the Realtek High Definition audio driver. Audio driver is the software that helps your operating system to communicate with audio devices such as internal sound cards, speakers, headsets, and microphones. Recommended.