This is the user manual for Toshiba NB500/NB505/NB520/NB525 NB550D/NB555D series laptop computers.
This manual provides detailed instructions for the Toshiba NB500/NB505/NB520/NB525/NB550D/NB555D notebook series. It includes safety notices, quick‑start steps, basic operation guidance, utility program usage, power‑on procedures, and system sleep functions.
Additional sections cover environmental and power requirements, FCC and CE compliance, wireless specifications, and a comprehensive troubleshooting guide. Appendices list hardware specifications such as CPU, memory, battery life, storage capacity, LCD, and wireless features. This manual is written in Japanese.