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We can’t guarantee what will happen if you try these, but they can be fun!

1 - The Screen Flip

First enable rotation the default key combination Ctrl + Alt + F1.
Holding down CTRL and ALT while pressing the DOWN ARROW flips the screen upside down.
To undo it, and flip it back to normal, hold down CTRL and ALT and press the UP ARROW.
This works with most computer setups, you can also try right clicking on the desktop and clicking properties, then settings, then advanced, and choosing the graphics card setup to flip the screen image.

2 - The Keyboard Button Change

Most standard keyboards allow you to pop out the keys, just change a few of these around until they notice.

3 - The Mouse Ball Removal

A lot of mice nowadays are optical, if so, just put some tape on the bottom of the mouse instead!

4 - The Superglued Shut Laptop

This one is the most likely to get you fired and/or hated a lot. Use discretion. Really.

5 - The Computer Speakers Turned All The Way UP

This is a great one for people who watch videos at work all the time!

6 - The Loosening of the Computer Chair Bolts

You can never underestimate the hilarious power of people falling down.

7 - The Disconnected Monitor Cord, Yet Still Lodged In Place Prank

Simple, non-destructive way to put just a little trouble in co-workers day. Also, offer to ‘help’ if their monitor isn’t ‘working right’ and confirm that everything really is plugged in correctly.

8 - The Blue Screen of Death Screen Saver

Who doesn’t love a great BSOD prank to make drive people crazy.

9 - The Flying Screaming Monkey

Wait for it, wait for it, wait for it….. Monkey!

10 -Black Shoe Polish On The Phone

This one dates back to the days of the pirates, when it was shoe polish on the telescope.

Of course, use extreme caution, for if you get someone, there is a chance they are going to ‘get you back’. But really that’s the fun part. ‘Cause you never know when the pranks will continue. Plus, it’s all fun and games until someone falls out of their chair.