Dell 9150 service manual Back View of the Computer

About Your Computer: Dell Dimension 9150 Service Manual

	connector	digital video cameras and external storage devices.
	(optional)
7	vents	For adequate cooling, do not block any of the vents.
		NOTICE: Do not use the vents as handles; doing so may result in damage to
		your computer. Also, ensure that there is a minimum of two inches of space
		between all vents and any object near these vents.
8	USB 2.0	Use the front USB connectors for devices that you connect occasionally, such
	connectors	as joysticks or cameras. It is recommended that you use the back USB
	(2)	connectors for devices that typically remain connected, such as printers,
		keyboards, and mice, or for bootable USB devices, which may not function
		properly if attached to the front connectors.
9	power	Press to turn on the computer.
	button
		NOTICE: To avoid losing data, do not use the power button to turn off the
		computer. Instead, perform an operating system shutdown.
10	hard-drive	The hard drive activity light is on when the computer reads data from or
	activity	writes data to the hard drive. The light might also be on when a device such
	light	as a CD player is operating.
11	diagnostic	Use the lights to help you troubleshoot a computer problem based on the
	lights (4)	diagnostic code. For more information, see "Diagnostic Lights."
12	headphone	Use the headphone connector to attach headphones.
	connector
13	microphone	Use the microphone connector to attach a personal computer microphone for
	connector	voice or musical input into a sound or telephony program.
14	Service	Used to identify your computer when you access the Dell Support website or
	Tag	call technical support.

Back View of the Computer

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