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• Do not leave this notebook computer in an environment unconditioned. Storage tempera
ture above 60ºC (140ºF) may damage the notebook computer.
• An approved power cord has to be used for the notebook computer’s power supply. For a
rated current up to 6A and an equipment weight more than 3 kg, a power cord not lighter
than H05VV-F, 2G, 0.75mm2, has to be used.
• To avoid any damage happened to the internal device, you should first disconnect the AC
adapter and remove the battery pack from the notebook when replacing any internal device.
The sound pressure level at the operator's position according to IEC 60704-1 is equal or less
than 70dB(A).
8.2 Cleaning Your Computer
When it is necessary to clean the plastic case and keyboard, use a soft, lint-free cloth, slightly
dampened with a mild detergent solution or use the contents of any commercially available
computer cleaning kit.
Never use alcohol, petroleum-based solvents, or harsh detergents to clean the notebook. Also
never spray any liquids directly on the computer case, keyboard, or screen. If the liquid-
crystal display (LCD) screen has become smeared or dusty, clean the screen by first applying
a mild glass cleaner to a soft, clean, lint-free cloth, and gently wipe the glass. Never apply
liquids directly on the screen surface. Moreover, do not use paper towels to clean the display
screen. Paper can scratch the display screen matte.
8.3 Maintaining the LCD Quality
When it comes to screen problems, heat plays a big part. After a good working session, the
typical routine is to shut the machine and close the cover. But the display surface - no matter
what type it is - and the components inside the computer radiates heat; when you close the
cover, you trap the heat against the screen. Leave the computer's cover open for about ten
minutes while the heat disperses. Make this a habit.
You should also enable the power management of your computer to turn off the LCD power
and display when the system is in inactivity for some time. Adding screen savers is also
acceptable.
Follow the safety guidelines mentioned earlier and how to clean your computer.
8.4 Maintaining Your Hard Disk
Losing your data has the same consequences as a system break down. Users must make it a
habit of doing hard disk maintenance every week or so. Here is some maintenance you could
do:
• Always back up your data files from your hard disk.
• Install the virus detecting program to monitor virus that could tamper your files.
• Use SCANDISK once in a while to correct any errors found in the directory and File
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MANUAL INGLES OK 20/7/06 11:40 Página 93