Dell Inspiron 2650 - Manual (Page 71)

Hard Drive — Reads and writes data on a hard disk.
Speaker — Press the volume control buttons or volume control keyboard shortcuts to adjust the volume of the integrated speakers.
Keyboard — The keyboard includes a numeric keypad as well as the Microsoft® Windows® logo key .
Power Button — Press the power button to turn on the computer or to enter standby mode.
Left Side View
Audio Connectors
Attach headphones or speakers to the connector.
Attach a microphone to the connector.
NOTICE: Turn off your computer by performing a Windows shutdown rather than by pressing the power button. Otherwise, you may lose data.
1 audio connectors (2)
2 network connector
3 PC Card slot
4 floppy drive