Keyboards Put the fabric or blinds brush on your vacuum cleaner or dust buster. Use isopropyl alcohol dampened q-tips in between key rows. Inside Cleaning To clean the inside of a Macintosh you will have to disassemble it. Mac covers are removed with a few screws or by pressing tabs on the back of the computer and lifting the cover off. Check any vents to see that they are clear.
Mice Turn bottom ring counter-clockwise.
Remove the ball. Use a Q-tip dipped in alcohol to clean the ball and rollers. Reassemble when dry. Try to avoid dust build-up on the outside and inside of your Macintosh. This helps maintain the internal battery's effectiveness and may prevent having to replace it on the first day of school.