2 Troubleshooting 2.21 Battery Pack
2-32 Satellite/Satellite Pro/C850D/C855D/L850D/L855D Maintenance Manual
2.21 Battery Pack
Battery Pack or system board may be the reason of Battery fault. Either of these two
components may be damaged. To determine if the computer’s Battery Pack is functioning
properly, perform following procedures. Start with Procedure 1 and continue with the other
procedures as instruction below.
Procedure 1 Windows Application Test
Procedure 2 Connector Check and Replacement Check
Procedure 1 Windows Application Test
Execute Function Programs in Windows, which will display the Battery Pack Test Result. If
the test and diagnostics result is abnormal, go to Procedure 2. If an error is not located,
Battery Pack system is functioning properly.
Procedure 2 Connector Check and Replacement Check
Battery Pack is connected to the system board. If Battery Pack malfunctions, there may be a
bad connection between Battery Pack and the system board, or either might be faulty.
Disassemble the computer following the steps described in Chapter 4 and perform the
following checks:
Check 1 Make sure Battery Pack has been firmly connected to the connector on the
system board. Also make sure Battery Pack is free of foreign matters.
And if the connector is disconnected, connect it firmly to the system board
and return to Procedure 1. If a foreign matter is found on Battery Pack,
remove it and then return to Procedure 1. If there is still an error, perform
Check 2.
Check 2 Battery Pack may be faulty. Replace it with a new one following the steps
described in Chapter 4. If Battery Pack replaced is still not functioning
properly, perform Check 3.
Check 3 System Board may be defective. Replace System Board with a new one
following the steps described in Chapter 4.
Battery Pack
System Board
CPU
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