You can read the recommendations in the user guide, the technical guide or the installation guide for TOSHIBA SATELLITE C640. You'll find the answers to all your questions on the TOSHIBA SATELLITE C640 in the user manual (information, specifications, safety advice, size, accessories, etc.). Detailed instructions for use are in the User's Guide.
User manual TOSHIBA SATELLITE C640
User guide TOSHIBA SATELLITE C640
Operating instructions TOSHIBA SATELLITE C640
Instructions for use TOSHIBA SATELLITE C640
Instruction manual TOSHIBA SATELLITE C640
Your user manual