Pranking your friends or coworkers is an art form. It needs to be convincing, surprising, and most importantly—completely harmless.

With the rise of high-resolution monitors and lifelike UI design, "Screen Pranks" have become one of the easiest and most effective ways to get a laugh (and a momentary panic) in the office. Here are 10 of our favorite, most creative screen pranks you can pull off in seconds.

1. The "Eternal" Windows Update

The classic. Nothing strikes fear into a person's heart like a Windows 10 update bar that reaches 99% and then... just stays there.

  • How to do it: Use our Fake Windows Update Tool to leave their computer looking like it’s in the middle of a massive patch. They'll wait for 15 minutes before they realize it's just a browser window.

2. The "Digital Leak" (Broken Screen)

This one is a heart-stopper. It makes it look like the internal LCD panel of their laptop has shattered, complete with "bleeding" ink stains and vertical lines.

  • How to do it: Open the Broken Screen Effect and put it into full-screen mode. It works best on newer, high-end laptops where the effect looks incredibly realistic.

3. The "Hacker's Terminal"

Make your friend think their computer has been compromised by an elite group of hackers. Matrix-style cascading code and mysterious system logs will appear all over their screen.

4. The "FBI Warning"

Imagine your friend coming back to their desk and seeing a massive, official-looking FBI Copyright Warning staring them in the face. It’s a great way to start a nervous conversation about what they've been downloading!

5. The "BSOD" (Blue Screen of Death)

The ultimate panic-inducing prank. A realistic Windows 10 BSOD Screen that includes the modern "QR code" and the classic sad face :(, making them think they've just lost hours of unsaved work.

6. Fake Virus Alert

Similar to the BSOD, but with a more dramatic flair. This prank displays a Fake Virus Alert pop-up, complete with loud "WARNING" icons and a red background. (Just remember to tell them it's fake before they start calling IT!)

7. The "No Signal" TV Blank

For the friend who's obsessed with their home theater or secondary monitor. Make it look like their cable just died with the classic No Signal Screen.

8. Technical Difficulties

Give their laptop the retro "broadcast interruption" look. A great prank for someone who's into video editing or broadcast media. Use our Technical Difficulties Screen.

9. Fake Hacked Message

A dramatic message from a fictional shadowy collective. Our Fake Hacked Message Tool lets you leave an ominous, full-screen message on any unattended computer.

10. The Glitch Screen

Flickering pixels and distorted colors represent a dying graphics card. It’s subtle enough to be truly alarming. Check out the Glitch Screen Effect.

A Final Rule of Pranking

The best pranks end in a laugh, not a headache.

  1. Never delete files. (Our tools don't touch any files!)
  2. Stay close by. Don't leave them panicked for more than a minute or two.
  3. Know your audience. Save these for friends who appreciate a good joke.

Ready to start the fun? All of these effects are just one click away on WhiteScreen.show.