dynabook SATELLITE C50-H, Maintenance Manual

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The System board may be faulty. Replace it with a new one following the instructions in Chapter
4. If the Audio is still not functioning properly, perform Check 4.
Check 4
The memory may be defective. Replace the memory module with a new one following the steps
described in Chapter 4.
2 Troubleshooting 2.10Touchpad
2.10Touchpad
The computer supports touch pad.Check your computer
’
s touch pad lf afault occurs ,follow the
instructions below to execute the troubleshooting procedure.
Procedure 1 Windows Application Test
Procedure 2 Connector Check and Replacement Check
Procedure 1 Windows Application Test
Please power on the computer into Windows. The computer will automatically detect this
touchpad device. If the touchpad device appears to have a certain problem, go to Procedure 2.
Procedure 2 Connector Check and Replacement Check
Touchpad Module is connected to the system board through FFC Cable. If the touch fails, there
could be a problem with the module or the system board.Disassemble the computer following the
steps described in Chapter 4 and perform the following checks:
Check 1
Make sure Touchpad has been firmly connected to the connector on System Board. Also make
sure the tape is not stuck to any part of Touchpad Module is free of foreign matters.
And if connector is disconnected, connect it firmly to system board & return to Procedure 1.