Toshiba Satellite L670D Maintenance Manual page 186

4.11 USB Board 4 Replacement Procedures
2. Disconnect the camera module cable.
Figure 4.42 Disconnect the camera module cable
3. Lift the LCD panel out of the LCD cover assembly.
4. Remove the four M2x2.5 screws securing the LCD hinges.
5. Remove the LCD hinges.
M2×2.5*4
Figure 4.43 Removing the LCD hinges
[CONFIDENTIAL] Satellite L670D/L675D/Pro L670D Maintenance Manual