Toshiba Satellite L50T-A - Manual (Page 123)

If a problem occurs when you are running software applications,
consult the software documentation for troubleshooting suggestions
and consider calling the software company's technical support
department for assistance.
Consult the reseller or dealer from where you purchased your
computer and/or software - they are your best resource for current
information and support.
TOSHIBA technical support
If you are still unable to solve the problem and suspect that it is hardware
related, read the enclosed warranty booklet or visit www.toshiba-
europe.com on the Internet.
User's Manual 6-15