PC Hardware A Beginner’s Guide

The 3M Corporation makes a special clean, soft, lint-free cloth that is an

excellent tool to clean virtually any part of the PC. This cloth, the Scotch-Brite

High Performance Electronics Cloth (HPEC) (see Figure 22-2), can be purchased

at any store that carries home cleaning supplies. In fact, 3M makes special versions

of this product for electronics and for cleaning CDs and DVDs. This cloth allows

you to clean without the need for alcohol or cleaners.

10. After you’ve cleaned the keyboard and are absolutely sure that the keyboard
    is dry, reconnect it to the PC and reboot the system. Watch the POST process
    carefully for keyboard errors. After the PC is running, test the keyboard by
    pressing each key and verifying its action.

Mouse

Onaconventionalballedmouse(seeFigure22-3),iftheballgetsdirty,themousemaynot
work right. Dirt can get on the ball and be transferred to the sensors and rollers inside the
mouse that are used to detect the movement of your hand and the mouse and translate it
to movement of the pointer on the screen.

Chapter 22: PC Care and Maintenance^575

Figure 22-2. Scotch-BriteHigh Performance Cleaning Cloth can be used to clean much of the PC

without water or cleaning solutions. Photo courtesy of 3M Corporation