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2 Troubleshooting Procedures
Satellite A350D/A355D, SATEGO A350D, EQUIUM A350D Series Maintenance Manual
87
To determine if the computer’s built-in Sensor button is functioning properly, perform the
following procedures. Figure 2-25 outlines the process. Start with Procedure 1 and continue
as instructed.
Procedure 1: Sensor button connection check
Procedure 2: Logic upper replacement check
Procedure 1
Sensor button connection check
The Sensor button is connected via the Sensor button FFC to the system board. Make sure the
Sensor button FFC cable is firmly connected to the Sensor button and system board. Refer to
Chapter 4,
Replacement Procedures,
for instructions on how to disassemble the computer and
then perform the following checks.
If any of the connections are loose, reconnect firmly. If any of the connections is damaged, or
there is still an error, go to Procedure 2.
Procedure 2
Logic upper replacement check
The Sensor button board or FFC may be defective or damaged. Replace each with a new one
Logic upper following the steps in Chapter 4. If the Sensor button is still not functioning
properly, replace the system board with a new one following the steps in Chapter 4.
Содержание Satellite A350 Series
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