Computer tricks to play on people?

Soldato
Joined
12 May 2005
Posts
12,631
Is there any quick tips for tricks I can play on my friends ?

Nothing harmful like "haha, I formatted your C: so windows don't work!"

More along the "take a print screen of their desktop, save it as the windows background, hide their icons and start menu, watch the fun".
 
Replace Windows start sound with naughty sound clip from adult entertainment industry?
 
Screenshot his desktop & replace his desktop with the screenshot, Hours of fun watching him click the icons :D
 
On certain computers Ctrl + Alt + Arrow key will rotate the display.

Invert screen colours by pressing Left Alt + Left Shift + Print Screen then Enter (or yes)
 
Plug in a wireless mouse alongside their own, then have mucho fun moving the cursor around on their screen! Enable the microphone and the audio language input on their laptop if they have one, sounds in the background should produce some funny results (found this by accident as someone at work was getting random apps openings etc and when typing in word random letter appeared)
 
We did the USB mouse trick a few years ago to a colleague. He was using a PS/2 mouse, USB one was on our desks out of his sight, but connected into his machine. Cue much mouse moving and general annoyance. He even checked the back of his PC (and didn't spot the extra connection) to try and suss out what was going on.

We had to tell him what we were doing in the end, it was getting too easy!
 
Get a zx spectrum and write a few lines of basic to make a fake a loading screen with a flashing border, then get them to sit in front of it ad infinitum. My brother used to love playing that trick on me. :(
 
Switch M and N around.
Plug his keyboard/mouse into the computer opposite/next
Grass seeds in the keyboard
 
C:> shutdown -t 60 -c "You have been found to have porn on this computer, all your files will be deleted in 1 minute"

Alter the timing and comment to your preferences.
 
Theres' a few little dos programs that eject the CD when they're run, you can generally run them silently. I like putting them in the autoexect and then again run it silently in the windows startup folder. name them "microsoft office startup" and they'll be none the wiser.

I played an april fools joke on someone with this, he switches his PC on, it ejects his CD, he pushes it back in, then it gets to windows and it ejects again. It also checks and recopies files into position if he figures out what's happening by calling a separate batch file from the autoexec. I've called this other batch file mscdex.exe so he hasn't figured out it's a batch file yet and thinks it's his CD driver.

It's still doing it, ever morning I hear his laptop eject, eject and some swearing :)
 
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