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About your computer audio
Your computer comes with two audio connectors: a stereo headphone connector and a microphone
connector. The built-in digital audio controller enables you to record and play back sound and music, enjoy
sound with multimedia applications, and work with speech-recognition software.
Setting the volume from the desktop
The desktop volume control is accessible through the volume icon in the taskbar, which is located at the
bottom-right corner of the Windows desktop. Click the volume icon and move the slider up or down to
control the volume, or click the Mute icon to turn the audio off. If the volume icon is not in the taskbar, see
“Adding the volume icon to the taskbar” on page 21
.
Adding the volume icon to the taskbar
To add the volume icon to the taskbar on the Windows 7 operating system, do the following:
1. From the Windows desktop, click Start ➙ Control Panel ➙ Appearance and Personalization.
2. In the Taskbar and Start Menu topic, click Customize icons on the taskbar.
3. Click Turn system icons on or off and change the volume behaviors from Off to On.
4. Click OK to save the new settings.
Setting the volume from Control Panel
You can set the computer volume from Control Panel. To set the computer volume from Control Panel,
do the following:
1. From the Windows desktop, click Start ➙ Control Panel ➙ Hardware and Sound.
2. In the Sound topic, click Adjust system volume.
3. Move the sliders up or down to raise or lower the volume of your computer.
Using CDs and DVDs
Your computer might have a DVD ROM drive or recordable DVD drive installed. DVD drives use
industry-standard, 12 cm (4.75-inch) CD media or DVD media. If your computer comes with a DVD drive,
the drive can read DVD-ROM discs, DVD-R discs, DVD-RAM discs, DVD-RW discs, and all types of CDs,
such as CD-ROM discs, CD-RW discs, CD-R discs, and audio CDs. If you have a recordable DVD drive,
it can also record on DVD-R discs, DVD-RW discs, type II DVD-RAM discs, CD-RW standard and high
speed discs, and CD-R discs.
Follow these guidelines when using the DVD drive:
• Do not place the computer in a location where the drive is exposed to the following:
– High temperature
– High humidity
– Excessive dust
– Excessive vibration or sudden shock
– An inclined surface
– Direct sunlight
• Do not insert any object other than a CD or DVD into the drive.
• Before moving the computer, remove the CD or DVD from the drive.
Chapter 2. Using your computer 21