2 Troubleshooting Procedures 2.9 Display Troubleshooting
2-48 [CONFIDENTIAL] QOSMIO F20 Maintenance Manual (960-526)
Procedure 3 Connector Check and Cable Check
The LCD module is connected to the system board and VG board (external GPU model) by an
LCD/FL cable. The FL inverter board is also connected to the system board by an LCD/FL
cable. And the FL is connected to the FL inverter board by the HV cable. The connectors may
be disconnected from the system board, VG board or FL inverter, or they may be damaged.
Disassemble the computer following the steps described in Chapter 4, Replacement
Procedures.
If the connection is loose, reconnect firmly and restart the computer. If there is still an error,
go to Procedure 4.
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