Back View - Dell Dimension 4200 Manual

Move the dial to adjust the volume of your audio CD.
Computer Label
HINT: Express Service may not be available in some countries.
This label lists your computer's service tag and your Express Service Code (if applicable). If you call Dell technical support, use your Express Service Code to
route the call directly to the correct support personnel. The Dell technical support staff will ask for your service tag.
Headphone Jack
Use the headphone jack to attach headphones and most speakers for listening to all sounds in your computer including your CD player and system sounds
such as beeps.
USB Connectors
HINT: If you attach a USB device that was not included in your original computer order, you may need to install a specific driver to make the device
work. Check the documentation that came with the device or contact the USB device manufacturer for more information.
For quick connections, Dell recommends using the front USB connectors for USB devices such as digital cameras, gaming controllers, and scanners. Use the
back-panel USB connectors for USB mouse and keyboard connections.
Windows Label
This Microsoft® Windows label provides the product key for your copy of Windows. You will need this information if you ever reinstall Windows.

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Power Connector
Plug one end of your computer power cable into the power connector, and plug the other end into an electrical outlet.