Dell Inspiron 300m - Manual (Page 6)

Front View
volume buttons — Let you increase and decrease the volume.
undock button — Lets you undock your computer when your computer is operating.
power button — Lets you turn on and off your computer when it is docked.
mute button — Lets you mute the volume.
Left Side View
subwoofer tuned port vent — Provides air circulation for the tuned port.
computer release latch — Releases the computer from the media base if the media base is not secured by an antitheft device.
Right Side View
optical bay drive — Lets you use a variety of drives like a, DVD, CD, CD-RW, a floppy drive, or a second hard drive.
Back View
1 volume buttons
2 undock button
3 power button
4 mute button
1 subwoofer tuned port vent
2 computer release latch
1 optical bay drive
2 device latch release
button