Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual
Bottom and Left-side view
100
OneKey Rescue system button
1
USB port
2
Headphone mic combo jack
3
Fan louvers
4
RJ-45 port
5
Base cover
6
Built-in microphone
7
U300
U300s
U400
6
1
4
2
3
6
1
4
2
6
1
4
5
2
7