dynabook SATELLITE C50-H, Maintenance Manual

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9
Make sure the DC IN/Battery Charge LED goes on in White or Amber again.If it does not,
go to Procedure 3.
2 Troubleshooting 2.3 Power Supply
Procedure 2 Connection Check
Power is supplied to the system board as illustrated below:
Follow the steps below to check whether each connector has been connected correctly:
Check 1
Make sure the AC adaptor and AC power cord have been firmly plugged into the DC IN socket and
wall outlet, respectively. When they have been connected correctly, perform Check 2.
Check 2
Connect a new AC adaptor and AC power cord.
Check 3
Make sure the battery pack has been correctly installed in the computer. If the LED does not go on
while the battery pack has been installed correctly, go to Procedure 3.
Procedure 3 Replacement Check
The system board may be faulty. Disassemble the computer according to Chapter 4 and
follow the steps below:
Check 1
Replace the system board with a new one.