9 Computer Pranks

In this post I will show you some pranks that you can do to your friends in their computer. All this pranks will be easy to perform.

Have fun!








1. Activate High Contrast

Shift+Alt+PrintScreen to turn it off or on.
Another way to do it is throught Control Panel but it is not as handy






2. Fake a crash

Install the blue screen of death as a screensaver.
And then everytime is activated your friend will get scared as hell.
Download it here








3. Optical mouse stopped working

Cover the optical eye with any kind of tape (duct tape, adhesive tape etc)
They won't know the problem untill they check the bottom of the mouse.






4. Turn the display screen 180º or 90º

Press Ctrl+Alt+Arrow key to change the display orientation






5.Computer beeps

press the numlock key for 5 seconds and everytime the pranked  clicks a togglekey (CapsLock, Numlock or Scrolllock) he will hear a annoying beep.








6.Messed up keyboard

Press the right shift for 8 seconds. This will make  the keyboard recognize a key if you press it for something like one second







7.Double Desktop

First take a print screen (or use the snap tool and jump one step)
Paste it on paint and save it.
set as desktop background
Move all the real files to the right.
When your victim clicks on the fake file nothing will happen. Also he/she might delete the real ones on the right.







8.Shedule random apps

Go to the Control Panel and click System and Maintenance.
Click Administrative Tools.
Double-click Task Scheduler and click on "create basic task". 
It will look like a virus!




9. Set the mouse pointer to always look like it's busy
Go to the the control panel then to hardware and sound and then mouse. Then change the pointer to look like it is busy according to the windows version.





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Sources:
http://www.conversationexchange.com/resources/keyboard-language.php
http://www.howtogeek.com/57552/the-10-most-ridiculously-awesome-geeky-computer-pranks/