It has a similar displayable area as a 15-inch video monitor. You will notice if you plug in an external video monitor or video projector, when the notebook computer is turned on, it will automatically switch the screen to the external video display. Remember you can use the notebook computer keyboard function to switch the screen back to the LCD display at any time. These cards are typically used for modems and network adapters. Some cards have built in jacks to plug in a telephone cord or network patch cable.
Some cards use an adapter cable that allows the telephone cord or network cable to be plugged in.
Take care to not loose these adapter cables. Audio The Dell Latitude CPt S notebook computer has external ports for microphone input, audio output and surround sound output. The audio output can be used to plug in stereo headphones. The Dell Latitude CPt S notebook computer has two swappable device bays. The left bay is dedicated for battery only.