Toshiba C70-A Series Maintenance Manual

2 Troubleshooting Procedures
SatelliteA660/ProA660 Series Maintenance Manual
21
To determine if the computer’s keyboard is functioning properly, perform the following
procedures. Figure 2-4 outlines the process. Start with Procedure 1 and continue with the
other procedures as instructed.
Procedure 1: Diagnostic check
Procedure 2: Connector and replacement check
Procedure 1 Diagnostic check
Run the test and Diagnostics Program, which will automatically execute the Keyboard Test.
Refer to Chapter 3, Tests and Diagnostics for more information on how to run the program.
If an error is located, go to Procedure 2. If an error does not occur, the keyboard is
functioning ok.
Procedure 2 Connector and replacement check
The keyboard and/or system board may be disconnected or damaged. Disassemble the
computer following the steps described in Chapter 4, Replacement Procedures and perform
the following checks.
Check 1 Make sure the keyboard cable is firmly connected to the system board.
If the connection is loose, reconnect firmly and repeat Procedure 1. If there is still
an error, go to Check 2.
Check 2 The keyboard may be damaged. Replace it with a new one following the
instructions in Chapter 4.
If the problem still exists, perform Check 3.
Check 3 The system board may be damaged. Replace it with a new one following the
instructions in Chapter 4.

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