Toshiba C70-A Series Maintenance Manual

2 Troubleshooting Procedures
SatelliteA660/ProA660 Series Maintenance Manual
19
Procedure 3 Connector and replacement check
The LCD module and system board are connected to the display circuits. Any of these
components may be damaged. Refer to Chapter 4, Replacement Procedures, for instructions
on how to disassemble the computer and then perform the following checks:
Check 1 Make sure the DDR RAM module is seated properly. Test display again. If the
problem still exits, replace the DDR RAM module. If the problem still exists,
perform Check 2.
Check 2 Replace the LCD module with a new one and test display again. If the problem
still exists, perform Check 3.
Check 3 Replace the LCD/FL cable with a new one and test display again. If the problem
still exists, perform Check 4.
Check 4 Replace the CPU with another of the same specifications. If the problem still
exists, perform Check 5.
Check 5 The system board may be damaged. Replace it with a new one.

Toshiba C70-A Series Specifications

General

Processor	Intel Celeron, Pentium, or Core i3/i5/i7 (varies by model)
Storage	500GB or 1TB HDD (varies by model)
Graphics	Intel HD Graphics (varies by model)
Optical Drive	DVD SuperMulti Drive
Connectivity	Wi-Fi 802.11b/g/n, Bluetooth 4.0 (varies by model)
Ports	USB 3.0, USB 2.0, HDMI, VGA, headphone/microphone combo jack