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Lenovo 3000 G510 UG V2.0_en.book Page 58 Friday, April 18, 2008 2:54 PM
Chapter 4. Solving Computer Problems
Solution:
Make sure that:
• The battery is charged.
• The operating temperature is within the acceptable
range. See "Specifications" on page 77.
If the battery is charged and the temperature is within
range, have the computer serviced.
Problem:
The critical low-battery error message appears, and the
computer immediately turns off.
Solution:
The battery power is getting low. Connect the AC adapter
to the computer, or replace the battery with a fully charged
one.
Problem:
The computer does not return from sleep mode, or the sleep
indicator stays on and the computer does not work.
Solution:
If the computer does not return from sleep mode, it may
have entered sleep or hibernation mode automatically
because the battery is depleted. Check the sleep indicator.
• If the sleep indicator is on, your computer is in sleep
mode. Connect the AC adapter to the computer; then
press any key or the power button.
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