Lenovo 80N5003FFR User Manual page 24

 Lenovo Yoga 500-15IBD/Yoga 500-15IHW/Yoga 500-15ACL
2
Ventilation slots
a
Note: Make sure that the ventilation slots are not blocked or else the computer may overheat.
Speakers
b
Chapter 1. Getting to know your computer
1
Dissipate internal heat.
Provide audio output.
17
2