How to Make a Scary Image Pop Up on Your Computer

Written by alexander abbott Google
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How to Make a Scary Image Pop Up on Your Computer
Frighten your friends with a scary image that pops up on their computer. (Jupiterimages/ Images)

If you are hoping to play a practical joke on a friend, but can't think of a good idea, you may want to consider using your computer as a tool to help you. You can quickly set up a scary image to pop up on the computer to startle your friend when they least expect it. With a little knowledge of basic computer software, this type of practical joke is easy to set up and is a harmless way to prank your friends.

Skill level:
Moderately Easy


  1. 1

    Choose a scary image. Open your web browser, and use Google Image Search, Picasa, Flickr or another image search engine to find a scary image.

  2. 2

    Download the image to your computer. Right-click the scary image, select "Save As" and click "OK." Wait for the download to complete, and locate the image file on your hard drive.

  3. 3

    Open the screensaver menu. If you are using a Macintosh computer, click the Apple menu, select "System Preferences," choose "Desktop and Screen Saver" and click on the "Screen Saver" tab. If you are using a Windows PC, open the "Control Panel" from the "Start" menu and select "Appearances and Themes," then choose "Display."

  4. 4

    Apply the screen saver. If you are using a Mac, locate the scary image file you downloaded using the file browser on the left side of the screensaver menu. Click the image and use the timeline at the bottom of the menu to set the idle time necessary to activate the scary-image screen saver. If you are using a Windows PC, use the image browser at the bottom of screensaver section in the Display menu to find the scary image. Use the drop-down menu to set the number of idle minutes before the screen saver starts.

  5. 5

    Test the scary-image pop-up. Do not touch the computer mouse or the keyboard for the amount of time you set for the screensaver display. Make sure that the scary image pops up as soon as the screen saver begins.

Tips and warnings

  • Set the screen saver to appear after 1 or 2 minutes of idle time to ensure that your victim is still looking at the screen when the screen saver is shown.
  • Do not scare anyone with a heart condition, health condition or that may have problems resulting from being startled.

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