T3400/T3400CT Maintenance Manual
Procedure 4 Connector Check and Replacement Check
The 3.5-inch FDD is connected to the system board by the FDD cable. This cable may be
disconnected from the system board or damaged. Perform the following checks:
Check 1 Make sure the FDD cable is firmly connected to the system board.
External 3.5-inch FDD System Board
If disconnected, re-attach it and repeat Procedure 3. If the FDD is still not func-
tioning properly, perform Check 2.
Check 2 The FDD or FDD cable may be defective. Replace the FDD and cable. If the
FDD is still not functioning properly, perform Check 3.
Check 3 Replace the system board following the steps in Chapter 4, Replacement Proce-
dures.
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