
Computer Restarts or Shuts Down Intermittently, Locks Up, Stops …
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.
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 …
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 …
How to Adjust Screen Brightness and Control Brightness Settings …
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 …
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.
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.
Monitor displays LOCK symbol | DELL Technologies
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 …
How to turn Num Lock key permanently on with Inspiron 5570
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 …
Annoying "padlock" icon in middle of screen | DELL Technologies
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 …
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 …