Lenovo 20CD0033US manual Bottom view, Audio connector, Emergency reset hole

Attention: When you attach a USB cable to the connector, ensure that the USB mark is facing upward. Otherwise the connector might be damaged.

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Audio connector

Connect headphones or a headset that has a 3.5-mm (0.14-inch) 4-pole plug to the audio connector to listen to the sound from the computer.

Notes:

•If you are using a headset with a function switch, do not press this switch while using the headset. If you press it, the headset microphone will be disabled, and the integrated microphones on the computer will be enabled instead.

•The audio connector does not support a conventional microphone. For more information, see “Using audio features” on page 40.

Bottom view

Note: Your computer might look slightly different from the illustration in this topic.

Figure 4. Bottom view

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Emergency reset hole

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Emergency reset hole

If the computer stops responding and you cannot turn it off by pressing the power button, remove the ac power adapter and insert a needle or a straightened paper clip into the emergency reset hole to reset the computer.

6User Guide