Toshiba 100CS Manual page 22

Procedure 2 Battery Icon Check
The Battery icon shows the battery charging status. The Battery icon glows orange when the
AC power cord is charging the computer's battery pack.
If the Battery icon glows green, the AC power cord is connected and the battery is fully
charged.
If the Battery icon glows orange, the AC power cord is connected and the battery is being
charged.
If the Battery icon does not glow, go to Check 1.
Check 1 Make sure the AC power cord is firmly plugged into the AC IN socket and wall
outlet. If these cables are connected correctly, go to Check 2.
Check 2 Make sure the battery pack is installed in the computer correctly. If the battery
pack is installed correctly, go to Check 3.
Check 3 Remove the battery pack and check that the battery terminal is clean and not bent.
If the terminal appears dirty, clean it gently with a cotton swab dipped in alcohol.
If the terminal looks bent or damaged, replace the system board.
If the battery terminal is clean and not bent, go to Check 4.
Check 4 Connect a new AC power cord. If the Battery icon still does not glow, go to
Check 5.
Check 5 Install a new battery pack. If the Battery icon still does not glow, go to Procedure
3.
Procedure 3 AC PS Unit Replacement Check
The system board incorporates the power supply. Power is supplied to the system board
through the AC IN plug located on the AC PS unit. The AC PS unit may be damaged, refer
to chapter 4 for instructions on how to disassemble the computer, and then perform the
following checks:
Check 1 Replace the AC PS unit with a new one and restart the system. If the system is
still not functioning properly, perform Check 2.
Check 2 Replace the system board with a new one and restart the system. If the problem
still exists, other FRUs may be damaged.
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100CS