Lenovo ThinkPad 770X ThinkPad 770 User's Guide - Page 125

An Indicator Problem, A Battery Problem, Problem, Action, diskette-drive-in-use

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Title: C79DMMST CreationDate: 07/16/97 13:09:22 An Indicator Problem Problem The battery status indicator does not go on even though a battery pack is installed in the computer. The diskette-drive-in-use icon stays on. Action The over-current protection device inside the battery pack has been activated. Wait several hours and try again. If the indicator does not appear, replace the battery pack or have the computer serviced. If a diskette is in the drive, make sure that: - The internal or externally diskette drive is firmly connected to the computer. - The diskette contains the necessary files to start the system. - There is nothing wrong with your application program. - There is nothing wrong with the diskette. - The diskette is inserted correctly (label facing up and the metal-shutter end first) in the diskette drive. If these items are correct, have the computer serviced. If there is no diskette in the drive, have the computer serviced. A Battery Problem Problem The battery pack cannot be fully charged in 3 hours by the power-off charging method. Your computer shuts down before the battery status indicator shows empty, -or- Your computer operates after the battery status indicator shows empty. Action The battery pack might be over-discharged. Do the following: 1. Turn off the computer. 2. Make sure that the over-discharged battery pack is in the computer. 3. Connect the AC Adapter to the computer and let it charge. If the battery pack cannot be fully charged in 24 hours, use a new battery pack. If the optional Quick Charger is available, use it to charge the over-discharged battery pack. Repeat discharging and charging the battery pack at least three times. Chapter 4. Solving Computer Problems 4-17

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An Indicator Problem
Problem
Action
The battery status
indicator does not go on
even though a battery
pack is installed in the
computer.
The over-current protection device inside the battery pack has been activated.
Wait several hours and try again.
If the indicator does not appear, replace the
battery pack or have the computer serviced.
The
diskette-drive-in-use
icon stays on.
If a diskette is in the drive, make sure that:
–
The internal or externally diskette drive is firmly connected to the
computer.
–
The diskette contains the necessary files to start the system.
–
There is nothing wrong with your application program.
–
There is nothing wrong with the diskette.
–
The diskette is inserted correctly (label facing up and the metal-shutter
end first) in the diskette drive.
If these items are correct, have the computer serviced.
If there is no diskette in the drive, have the computer serviced.
A Battery Problem
Problem
Action
The battery pack cannot
be fully charged in 3
hours by the power-off
charging method.
The battery pack might be over-discharged.
Do the following:
1. Turn off the computer.
2. Make sure that the over-discharged battery pack is in the computer.
3. Connect the AC Adapter to the computer and let it charge.
If the battery pack cannot be fully charged in 24 hours, use a new battery pack.
If the optional Quick Charger is available, use it to charge the over-discharged
battery pack.
Your computer shuts
down before the battery
status indicator shows
empty,
–or–
Your computer operates
after the battery status
indicator shows empty.
Repeat discharging and charging the battery pack at least three times.
Chapter 4.
Solving Computer Problems
4-17
Title: C79DMMST CreationDate: 07/16/97 13:09:22