Cleaning your computer, Computer, keyboard, and display, Touch pad – Dell LATITUDE D400 User Manual
Page 91: Floppy drive, Optical media

Cleaning Your Computer
Computer, Keyboard, and Display
CAUTION:
Before you begin any of the procedures in this section, read the safety instructions in the
System Information Guide.
Computer, Keyboard, and Display
CAUTION:
Before you clean your computer, disconnect the computer from the electrical outlet and remove
any installed batteries. Clean your computer with a soft cloth dampened with water. Do not use liquid or
aerosol cleaners, which may contain flammable substances.
Gently use a vacuum cleaner with a brush attachment to remove dust from the slots and holes on your computer and
between the keys on the keyboard.
NOTICE:
To avoid damaging the computer or display, do not spray cleaning solution directly onto the display. Only use
products specifically designed for cleaning LCDs, and follow the instructions that are included with the product.
Moisten a soft, lint-free cloth with water or an LCD cleaner, and wipe the display until it is clean.
Moisten a soft, lint-free cloth with water or an LCD cleaner, and wipe the computer and keyboard. Do not allow water
from the cloth to seep between the touch pad and the surrounding palm rest.
Touch Pad
1. Shut down and turn off your computer, disconnect any attached devices, and disconnect them from their electrical
outlets.
2.
3. Moisten a soft, lint-free cloth with water, and stroke it gently across the surface of the touch pad. Do not allow water
from the cloth to seep between the touch pad and the surrounding palm rest.
Floppy Drive
NOTICE:
Do not attempt to clean drive heads with a swab. You might accidentally misalign the heads, which prevents
the drive from operating.
Clean your floppy drive using a commercially available cleaning kit. These kits contain pretreated floppy disks to remove
contaminants that accumulate during normal operation.
Optical Media
NOTICE:
Always use compressed air to clean the lens in the drive, and follow the instructions that are included with
the compressed air. Never touch the lens in the drive.