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  1. Computer Restarts or Shuts Down Intermittently, Locks Up, Stops ... - Dell

    Jun 19, 2025 · This article provides recommendations to resolve an issue with your Dell computer restarting, shutting down, locking up or not responding, and similar issues with Windows.

  2. Personalize Your Windows | Dell US

    Customizing Windows on your computer not only adds a touch of your personality but also enhances your overall user experience. You can choose your preferred desktop background or wallpaper, color …

  3. How do I lock my computer? | DELL Technologies

    Jan 23, 2000 · How do I lock my computer? I'm wondering if there's a way to lock my computer so that, when I shut down, someone else can't walk up, turn it on, and access all of my documents.

  4. Windows Randomly Restarts or Auto Reboots | Dell US

    Learn how to disable automatic restarts in Windows. Resolve random restarts or restart loop in Windows 10 and 11.

  5. How to Physically Secure Your Dell Computer or Monitor

    Jul 25, 2025 · How to Physically Secure Your Dell Computer or Monitor Summary: You can secure your Dell desktop, laptop, docking stations or monitors with a cable, using the security slot.

  6. How to Enable or Disable Tablet Mode and Autorotation on your ... - Dell

    Oct 14, 2025 · How to enable Tablet Mode in Windows 10 when using your 2-in-1 laptop and learn how to disable Tablet Mode if necessary. This guide also covers Autorotation on laptops, including steps …

  7. Setting Up Windows Hello: PIN, Fingerprint, or Face Recognition

    Learn how to secure your computer with Windows Hello. Use biometric authentication such as PIN, fingerprint, or facial recognition to simplify the Windows login process.

  8. Padlock symbol in Middle of Screen | DELL Technologies

    Aug 10, 2006 · I have a white padlock (which keeps opening and closing) in the middle of my screen. It is on a square blue background edged in white 3.5cm by 3.5cm. I can't click on it or move it and I …

  9. Shut down, Sleep, Hibernate, or Change the Power Plan in Windows

    Oct 14, 2025 · Learn how to shut down, use sleep and hibernate modes, edit power plans, and prevent your Windows 11 or Windows 10 computer from turning on during hibernation. Follow the steps to …

  10. How to Set Up and Use the Windows Hello PIN Login in Windows 11 …

    Jul 11, 2025 · The following article provides information about the various ways to set up a Windows Hello PIN login. Windows Hello is designed for laptops, tablets, and desktops running the Microsoft …