Using Your Computer
Caring for Your Computer
48 Reference Guide
To get the most from your batteries
• Do not leave batteries unused for long periods of time. If you have more than one,
rotate them.
• If you normally use AC power, make a practice of using the battery as your power
source at least once a week.
• Unplug the AC adapter when the computer is not in use.
• To lengthen the life of a battery, be sure to charge the battery regularly.
• For long-term storage, the battery must be charged at 20–50% to minimize capacity
loss by self-discharge and to avoid deterioration of battery performance.
• Set the automatic timeout settings to emphasize saving power. If your computer has a
multispeed processor and uses Windows 98 or 2000, use the lower speed on battery
power (see “To control the processor speed with SpeedStep” on page 58). The default
settings conserve battery power.
• To maintain maximum battery capacity and accuracy of the battery gauge, perform
this procedure about once a month:
1. Charge the battery to 100%.
2. Disconnect the AC adapter, and use the computer until the battery is fully
discharged and the computer goes into hibernation.
3. Connect the AC adapter and charge the battery to 100% with no power
interruptions.
To clean your computer
You can clean the computer with a soft cloth dampened either with clean water or with
water containing a mild detergent.
• Do not use an excessively wet cloth or allow water inside the case.
• Do not use any abrasive cleaners, especially on the display. Do not apply any cleaner
directly to the display. Instead, apply the cleaner to a soft cloth and then gently wipe
the display.
• You can clean the keyboard with a vacuum cleaner to remove accumulated dust.
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