Lenovo ThinkStation P920, Hardware Maintenance Manual, Page: 57 / 246

Chapter 3. Using your computer
This chapter provides information to help you use the various features provided by your computer.
Registering your computer
When you register your computer with Lenovo, you enter required information into a Lenovo database. The
information enables Lenovo to contact you when there is a recall or other severe problem and provide
quicker service when you call Lenovo for help. In addition, some locations offer extended privileges and
services to registered users.
To register your computer with Lenovo, go to
http://www.lenovo.com/register
and follow the instructions on
the screen.
Setting the computer volume
To set the computer volume, do the following:
1. Click the volume icon in the Windows notification area on the taskbar.
Note: If the volume icon is not displayed in the Windows notification area, add the icon to the
notification area. See the Windows help system.
2. Follow the instructions on the screen and the hover text to adjust the volume, mute the speaker, or
unmute the speaker.
Using a disc
This section provides instructions on how to use a disc and the optical drive.
Guidelines about using the optical drive
When using the optical drive, follow these guidelines:
• Do not place the computer in a location where the drive is exposed to any of the following conditions:
– High temperature
– High humidity
– Excessive dust
– Excessive vibration or sudden shock
– An inclined surface
– Direct sunlight
• Do not insert any object other than a disc into the drive.
• Do not insert damaged discs into the drive. Warped, scratched, or dirty discs can damage the drive.
• Before moving the computer, remove the disc from the drive.
Handling and storing a disc
When handling and storing a disc, follow these guidelines:
• Hold the disc by its edges. Do not touch the surface of the side that is not labeled.
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