Toshiba PORTEGE M400 - Manual (Page 87)

2.6 2.5” HDD Troubleshooting 2 Troubleshooting
Procedure 5 Connector Check and Replacement Check
The HDD is connected to the System board with a HDD cable. The connecting portions may
be loose. Disassemble the computer following the steps described in Chapter 4, Replacement
Procedures and perform the following checks to check the connecting portions:
Check 1 Make sure the HDD cable is firmly connected to the connector CN1850 of the
System board and HDD.
If connection is loose, reconnect firmly and repeat Procedure 4. If there is still an
error, go to Check 2.
Check 2 The 2.5” HDD may be damaged. Replace it with a new one and check the
operation. If the problem still exists, perform Check 3.
Check 3 The HDD cable may be damaged. Replace it with a new one and check the
operation. If the problem still exists, perform Check 4.
Check 4 The System board may be damaged. Replace it with a new one following the
instructions in Chapter 4, Replacement Procedures.
PORTEGE M400 Maintenance Manual (960-541) [CONFIDENTIAL] 2-39