On Handling Your Computer - Sony PCG-K315B Hardware Manual

On handling your computer

Clean the cabinet with a soft cloth, which is either dry or lightly moistened with a mild detergent solution. Do not use any type of
abrasive pad, scouring powder, or solvent such as alcohol or benzine, as these may damage the finish of your computer.
Should you drop a solid object or any liquid onto the computer, shut down your computer and then unplug it. You may want to have
the computer checked by qualified personnel before operating it again.
Do not drop the computer or place heavy objects on top of the computer.
Do not place your computer in a location subject to:
Heat sources, such as radiators or air ducts,
Direct sunlight,
Excessive dust,
Moisture or rain,
Mechanical vibration or shock,
Strong magnets or speakers that are not magnetically shielded,
Ambient temperature of more than 35ºC (95ºF) or less than 5ºC (41ºF),
High humidity.
Do not place electronic equipment near your computer. The electromagnetic field of your computer may cause a malfunction.
Provide adequate air circulation to prevent internal heat from building up. Do not place your computer on porous surfaces such as
rugs or blankets, or near material such as curtains or draperies that may block its ventilation slots.
The computer uses high-frequency radio signals and may cause interference to radio or TV reception. Should this occur, relocate
the computer a suitable distance away from the set.
Use only specified peripheral equipment and interface cables; otherwise, problems may occur.
Do not use cut or damaged connection cables.
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Precautions