You get frustrated when the computer slows down and takes a lot of time to execute a command. Sometimes so many unwanted things start happening that working on a computer becomes painful. This happens because over time your computer gets clogged up with so much unwanted things that the computer finds it difficult to function through the labyrinthine of junks that have accumulated in its system.
But before you call the repairman you can try these in order to speed up your computer.
Turn off all the fancy graphics that you have loaded on to your system; they take up a lot of space just for nothing.
Clean up your system by the Disk Cleanup command for this you go to Start