This is the user manual of Founder Yihan A400 notebook computer. It provides detailed instructions on how to use the product, precautions, and safety information.
This manual covers important safety warnings for the Founder A400 laptop, including handling precautions, environmental restrictions, and proper use of accessories. It also details the product’s components, basic operation, BIOS settings, and power management.
Additional sections describe installation procedures, troubleshooting tips, and service information, with specific guidance on temperature, humidity, and voltage requirements for reliable operation. This manual is written in Chinese.
| Operating temperature | -20 °C to 55 °C |
|---|---|
| Storage temperature | -20 °C to 55 °C |
| Input voltage | 100‑240 V, 50‑60 Hz |