Chapter 1. Getting to know your computer
3
Left-side view - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
U300
U300s
U400
OneKey Rescue
system button
Press this button to open OneKey Rescue system (If OneKey Rescue
system has been preinstalled) when the computer is powered off.
Note: For details, see “Chapter 5. OneKey Rescue system” on page 23.
USB port
Connects to USB devices.
Note: For details, see “Connecting a universal serial bus (USB) device” on page 17.
4 2 3
4 2
25
4
a
b