Apr 29, 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.

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 …

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 …

Feb 11, 2025 · A dim screen can be caused by adaptive brightness settings. Follow the steps for your Windows 10 or 11 system to turn off adaptive brightness and manually adjust screen brightness and …

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

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.

Feb 22, 2007 · Monitor displays LOCK symbol i have a dell 15 inch flat panel monitor and when even i press any button on it ... it displays a LOCK symbol???? i cant get rid of it and will aprreciate …

Feb 10, 2023 · Yes, it's possible to turn on Num Lock key permanently using the BIOS. Here are the steps: Restart your computer and access the BIOS settings by pressing the key that appears on your …

May 9, 2010 · Many monitors have an on-screen display lock (the padlock icon) that seems to get stuck. Various suggestions in the links below - the one that seems to work most often is to hold the …

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.