Dell DHP, T8243 manual Removing the Computer Cover

7	line-out connector	Use the green line-out connector to attach headphones and most speakers with
		integrated amplifiers.
		On computers with a sound card, use the connector on the card.
8	microphone/side	Use the pink and silver connector to attach a personal computer microphone for
	surround sound	voice or musical input into a sound or telephony program.
	connector	On computers with a sound card, the microphone connector is on the card.

9center/LFE connector LFE (Low Frequency Effects) Audio channel found in digital surround sound audio schemes that carries only low frequency information of 80 Hz and below. The LFE channel drives a subwoofer to provide extremely low bass extension. Systems not using subwoofers can shunt the LFE information to the main speakers in the surround sound set-up.

10	S/PDIF connector	This connector is used to transmit digital audio without going through an analog
		audio conversion process.
11	VGA connector	If your monitor has a VGA connector, plug it into the VGA connector on the
		computer.

12USB 2.0 connectors (5) Use the back USB connectors for devices that typically remain connected, such as printers and keyboards.

	It is recommended that you use the front USB connectors for devices that you
	connect occasionally, such as joysticks or cameras.
13 IEEE 1394 connector	Attach high-speed serial multimedia devices, such as digital video cameras.

Removing the Computer Cover

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.

1Shut down the computer through the Start menu (see page 53).

2Ensure that your computer and attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut down your computer, turn them off now.

NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall jack.

3Disconnect any telephone or telecommunication lines from the computer.

4Disconnect your computer and all attached devices from their electrical outlets, and then press the power button to ground the system board.

CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover.

NOTICE: Ensure that sufficient space exists to support the removed cover—at least 30 cm (1 ft) of desk top space.

Removing and Installing Parts

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