I heard it is possible on some laptop, and you will just have to play with these 3 keys :
F10-F11-F12 one of them will bring you to a security screen with tabs at the top that give you the choice to change you administrator password.
If not try this web site:
http://www.csd.toshiba.com/cgi-bin/tais/support/jsp/home.jsp
Toll-free Technical Support in the United States
Computers: (800) 457-7777
Projectors: (877) 523-8324
Toll-free Technical Support in Latin America
Argentina: 0-800-666-3701
Bolivia: 800100684
Chile: 800-64-6526
Colombia: 01-800-912-0539
Costa Rica: 0-800-011-1123
Dominican Republic: 1-888-862-3225
El Salvador: 800-6601
Panama: 008000447813
Peru: 0-800-5-3817
Uruguay: 000-411-002-2297
Venezuela: 0-800-100-8819
Sales Information: (800) TOSHIBA
Toshiba Financial Services: (800) 207-8362
Government and Education: (888) 9-PUBLIC (888-978-2542)
Customer Service: (800) 457-7777
Address:
Toshiba America Information Systems, Inc.
Digital Products Division
9740 Irvine Boulevard
Irvine, CA 92618-1697
Corporate Offices (949) 583-3000
Information regarding non-computer products from other Toshiba America divisions is available from the following sources:
Web content for all TOSHIBA AMERICA Divisions:
http://www.toshiba.com/
Storage Device Division (Disk Drives, DVD/CD-ROM/RW) SDD General, including Tech Support and Fax back systems:
(949) 457-0777
Toshiba America Business Systems (Copiers, Fax, Printers)
Printer Voice Support: (900) 225-1000
Printer BBS: (949) 581-7600
FAX Support: (800) 950-4373
Copiers Support: (949) 583-3648
Consumer Products Division (TV, audio, etc.): (800) 631-3811
Industrial Electronics (UPS, inverters, etc.): (800) 231-1412
Semiconductors: (949) 455-2000
Satellite related (orbital, not notebooks): (312) 541-9400
Media Relations Contact:
Benjamin Group/BSMG Worldwide
949/587-6266