Dell 755 manual Cleaning Your Computer, Computer, Keyboard, and Monitor, Mouse

Cleaning Your Computer

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.

Computer, Keyboard, and Monitor

CAUTION: Before you clean your computer, disconnect the computer from the electrical outlet. Clean your computer with a soft cloth dampened with water. Do not use liquid or aerosol cleaners, which may contain flammable substances.

•Use a can of compressed air to remove dust from between the keys on the keyboard.

NOTICE: To prevent damage to the antiglare coating, do not wipe the display with soap or alcohol.

•To clean your monitor screen, lightly dampen a soft, clean cloth with water. You can also use a special screen-cleaning tissue or solution suitable for the monitor’s antistatic coating.

•Wipe the keyboard, computer, and monitor plastics with a soft cleaning cloth moistened with a solution of three parts water and one part dishwashing detergent.

Do not soak the cloth or let water drip inside your computer or keyboard.

Mouse

NOTICE: Disconnect the mouse from the computer before cleaning the mouse.

If your screen cursor skips or moves abnormally, clean the mouse.

Cleaning a Non-Optical Mouse

1Clean the outside casing of the mouse with a cloth moistened with a mild cleaning solution.

2Turn the retainer ring on the underside of your mouse counterclockwise, and then remove the ball.

3Wipe the ball with a clean, lint-free cloth.

4Blow carefully into the ball cage or use a can of compressed air to dislodge dust and lint.

5If the rollers inside the ball cage are dirty, clean the rollers with a cotton swab moistened lightly with isopropyl alcohol.

6Recenter the rollers in their channels if they are misaligned. Ensure that fluff from the swab is not left on the rollers.

7Replace the ball and retainer ring, and turn the retainer ring clockwise until it clicks into place.

Cleaning an Optical Mouse

Clean the outside casing of the mouse with a cloth moistened with a mild cleaning solution.

Cleaning Your Computer

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