Apple
800-275-2273

Dell
Hardware Warranty Support
800-873-1420

Dell On Call: Spyware/Virus, 3rd Party software, How-to questions
888-236-3355

Gateway
Home or Home Office
800-369-1409

HP and Compaq
800-HP invent or 800-474-6836

Sony VAIO
888-476-6972

Toshiba
800-457-7777