2.4 System Board Troubleshooting 2 Troubleshooting Procedures
2-30 PORTEGE M300 Maintenance Manual (960-504)
Procedure 4 Replacement Check
The system board connectors may be disconnected. Disassemble the computer following the
steps described in Chapter 4, Replacement Procedures and perform Check 1.
Check 1 Visually check for the following:
a) Cracked or broken connector housing
b) Damaged connector pins
If connectors are properly plugged, but there is still a problem, go to Check 2.
Check 2 The system board may be damaged. Replace the system board with a new one
following the steps described in Chapter 4, Replacement Procedures.