Connecting The Power Cord - Lenovo Erazer X7 Series User Manual

Sound configuration is as follows:
1. Right click the Sound icon in the system property bar and select the Sounds
option to set up sounds in the pop-up dialog box.
2. Select a playback device from the Playback dialog box, then click the
Configure button to configure it.
3. Select 7.1 surround from audio channels in the pop-up Speaker setup dialog
box and proceed with the speaker setup by following the prompts.
4. 7.1 surround sound can be used once this configuration procedure is
complete.
Note: If the audio configuration interfaces above are different from
those on your computer, you may use the above steps as a reference to
configure the 7.1 surround sound audio device system in your actual audio
configuration interface and read the electronic Help information for further
assistance.

Connecting the power cord

Connect the power cord to an electrical outlet. We recommend using a grounded
connection or a surge protector.
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User Guide