Lenovo Legion Y540 Series User Manual page 11

1. Ventilation slots (outlet)
2. Always On USB 3.1
connector Gen 1
3. Audio connector
Maintain the outgoing airflow to dissipate internal heat.
Note: Do not block the ventilation slots. Otherwise, the computer might overheat.
To charge the USB-compatible devices when your computer is off, in sleep mode, or in
hibernation mode, enable the Always On USB feature on your computer.
To configure the Always On USB settings:
1. Start Lenovo Vantage. See "Use Lenovo Vantage" on page 16.
2. Select Hardware Settings ➙ Power.
3. Locate the Always On USB section and follow the on-screen instructions to select
options of your preference.
Note: The Always On USB 3.1 connector Gen 1 does not work if you click Charge
from Sleep and your computer is off without connecting to ac power.
Connect headphones or a headset with a 3.5-mm (0.14-inches) and 4-pole plug to
listen to the sound from the computer.
Note: The conventional microphone is not supported.
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Chapter 1 Meet your computer
5