dynabook E10-S, Maintenance Manual

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2.1718 Finger Print 2 Troubleshooting
Satellite Pro E10-S / dynabook E10-S Maintenance Manual 2-23
2.17 Battery Pack(RTC)
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 discharge Test
Procedure 2: Test Program Check
Procedure 3: Connector Check and Replacement Check
Procedure 1: Windows Application discharge Test
Boot up unit from Battery only, make sure AC adaptor power cable doesn't connect to unit.
If unit can't boot up after pressing power button, connect AC adaptor power cable to unit to
charge battery.
After 10 minus, remove AC adaptor power cable then press power button.
If unit can boot up after pressing power button, go to Procedure 2.
If it cannot boot up, go to Procedure 3.
Procedure 2: Test Program Check
Run the test program stored on the maintenance test program disk for test items. See
Chapter 3 for details on how to use the test program.
If an error is detected during the test, go to Procedure 2.
Procedure 3: 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 or 2. If a foreign matter is found on Battery Pack,
Battery Pack
System Board