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What If Your Computer Does Not Work?
What If Testing Cannot Find the Problem?
If the test programs do not find the problem, use the following troubleshooting charts:
Battery Power Problems
Problem
Action
The battery pack starts
discharging automatically,
even if the AC Adapter is
connected.
When the AC Adapter is connected, and the remaining power of the installed
battery pack is less than a certain amount, discharging and then charging of the
battery pack starts automatically.
When you are using OS/2
or Windows, the message,
“Please discharge battery”
appears on the screen.
Discharge the battery pack; then recharge it (see page 100).
The computer does not
operate with a fully
charged battery pack.
Discharge the battery pack; then recharge it (see page 98).
If there is still a problem, have the computer serviced.
A fully charged NiMH
battery pack discharges
too soon.
The battery pack is either old or its operation time has been shortened by
repeatedly charging it when it was not completely discharged.
Action:
1. Check if the battery pack you are using has been charged for more than 2
hours by the power-off charging method.
2. If so, repeat the complete discharging and charging procedure three to six
times (see page 98).
Note: A fully charged battery gradually loses its power when not used for a
long period of time. If the battery pack is not used for a long period
of time, or if it is new, the battery does not reach full charge with
only one charging.
3. If the battery pack still discharges too soon, replace the battery pack with a
new one.
If there is still a problem, have the computer serviced.
The battery-power status
indicator has turned off
although a fully charged
battery pack is installed in
the computer.
The over-current protection device inside the battery pack has been activated.
Wait for several hours and try to use it again. If there is still a problem, replace
the battery pack or have the computer serviced.
Chapter 8. Solving Computer Problems
211
Summary of Contents for ThinkPad 755CX
Page 1: ...i...
Page 6: ...vi IBM ThinkPad 755CX User s Guide...
Page 16: ...xvi IBM ThinkPad 755CX User s Guide...
Page 23: ...Getting Started 2 Right Side View 2 1 1 2 2 1 3 3 1 Chapter 1 Getting Started 7...
Page 25: ...Getting Started 2 3 1 4 5 6 7 Chapter 1 Getting Started 9...
Page 26: ...Getting Started 10 IBM ThinkPad 755CX User s Guide...
Page 30: ...Locations and Functions InsideView RearView Bottom View 6 14 IBM ThinkPad 755CX User s Guide...
Page 48: ...Carrying the Computer 32 IBM ThinkPad 755CX User s Guide...
Page 214: ...Installing the Infrared Device Driver 198 IBM ThinkPad 755CX User s Guide...
Page 242: ...Getting Service 226 IBM ThinkPad 755CX User s Guide...
Page 246: ...Avoiding Hardware Conflicts 230 IBM ThinkPad 755CX User s Guide...
Page 264: ...Additional Information for Telephony Function 248 IBM ThinkPad 755CX User s Guide...