Toshiba Satellite U500 Maintenance Manual page 59

Procedure 3 Replacement Check
The main 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 their connectors are in good condition, but there is still a problem, go to Check
2.
Check 2 The main board may be damaged. Replace the main board with a new one
following the steps described in Chapter 4, Replacement Procedures.
Satellite M500/M505/M507 Maintenance Manual [CONFIDENTIAL]
2 Troubleshooting Procedures
2-23