Toshiba AT200 - Manual (Page 71)

Review troubleshooting sections in the documentation supplied with
your software and/or peripheral devices.
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.
Where to write
If you are still unable to solve the problem and suspect that it is hardware
related, write to TOSHIBA at the location listed in the enclosed warranty
booklet or visit www.toshiba-europe.com on the Internet.
TOSHIBA AT200
User's Manual 8-5