Setting The Volume From Control Panel; Using Cds And Dvds; Handling And Storing Cd And Dvd Media - Lenovo ThinkCentre 2121 User Manual

1. From the Windows desktop, click Start ➙ Control Panel ➙ Appearance and Personalization.
2. In the Taskbar and Start Menu section, 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.
To add the volume icon to the taskbar on the Windows 8 operating system, do the following:
1. Open Control Panel, and click Appearance and Personalization.
2. In the Taskbar section, 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. On the Windows 7 operating system, click Start ➙ Control Panel ➙ Hardware and Sound. On the
Windows 8 operating system, open Control Panel, and click Hardware and Sound.
2. In the Sound section, 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.

Handling and storing CD and DVD media

CD and DVD media are durable and reliable, but they do require some care and special handling. When
handling and storing a CD or DVD, follow these guidelines:
• Hold the disc by its edges. Do not touch the surface of the side that is not labeled.
• To remove dust or fingerprints, wipe the disc with a clean, soft cloth from the center to the outside. Wiping
the disc in a circular direction might cause loss of data.
18
ThinkCentre User Guide