2.18 Card Reader
2 Troubleshooting
Satellite/Satellite Pro/C850D/C855D/L850D/L855D Maintenance Manual
2-29
2.18 Card Reader
Card Reader Board or System Board may be the reason of Card Reader fault. Either of these
two components may be damaged. To determine if the computer’s Card Reader is functioning
properly, perform following procedures. Start with Procedure 1 and continue with the other
procedure as instruction below.
Procedure 1 Windows Application Test
Procedure 2 Connector Check and Replacement Check
Procedure 1 Windows Application Test
Put a Memory Card into Card Reader Slot, then power on the computer into Windows. The
computer will automatically detect this memory card through Card Reader Slot. Execute
Function Programs in Windows, if the memory card is not functioning properly, go to
Procedure 2. If an error is not located, Card Reader system is functioning properly.
Procedure 2 Connector Check and Replacement Check
Card Reader Board is connected to System Board through FPC Cable. If Card Reader
malfunctions, there may be a bad connection between Card Reader Board and System Board,
or either of these two components might be faulty. Disassemble the computer following the
steps described in Chapter 4 and perform the following checks:
Check 1
Make sure Card Reader Board FPC Cable has been firmly connected to
the connector on System Board. Also make sure Card Reader Board is free
of foreign matters.
And if the connector is disconnected, connect it firmly to the system board
and return to Procedure 1. If a foreign matter is found on Card Reader Board,
remove it and then return to Procedure 1. If the problem persists, perform
Check 2.
Check 2
Card Reader Board may be faulty. Replace it with a new one following the
steps described in Chapter 4. If Card Reader Board replaced is still not
functioning properly, perform Check 3.
Check 3
System Board may be defective. Replace System Board with a new one
following the steps described in Chapter 4.
Card Reader
Board
System Board
CPU
Summary of Contents for Satellite L850D
Page 41: ......
Page 75: ...Chapter 3 Diagnostic Programs ...
Page 78: ......
Page 142: ...Chapter 4 Replacement Procedures 4 1 ...
Page 191: ...6000 1 次 Appendices ...