This manual introduces the Lenovo E390 (and E390A) notebook series, describing the front, left, right, rear and bottom views, and detailing each component such as the LCD, keyboard, touchpad, ports, battery module and optical drive. Safety information and warnings are highlighted, including restrictions on hot‑plugging, wireless use near medical equipment, and proper handling of the battery.
The guide also covers system startup, BIOS setup (press F2), power management, battery installation/removal, and common troubleshooting steps for issues like short battery life, LCD black screen, and peripheral connectivity problems. Contact information for Lenovo service support is provided at the end. This manual is written in Chinese.
| Screen size | 14.1 inch |
|---|---|
| Maximum resolution | 1280×800 |
| CPU options | Intel Core Duo, Intel Core Solo, Intel Merom |
| North Bridge chipset | Intel 945GM |
| South Bridge chipset | Intel ICH7M |
A steady blue light indicates the battery is fully charged, a steady orange light shows the battery is charging, and a flashing orange light warns that the battery charge is low.
When the system powers on, press the