Dell 745 manual Ultra-Small Form Factor Computer Side View

4	power light	The power light illuminates and blinks or remains solid to indicate different states:
		• No light — The computer is turned off.
		• Steady green — The computer is in a normal operating state.
		• Blinking green — The computer is in a power-saving mode.
		• Blinking or solid yellow — See your online User’s Guide.
		To exit from a power-saving mode, press the power button or use the keyboard or
		the mouse if it is configured as a wake device in the Windows Device Manager. For
		more information about sleep modes and exiting from a power-saving mode, see
		your online User’s Guide.
		See "System Lights" on page 49 for a description of light codes that can help you
		troubleshoot problems with your computer.
5	power button	Press this button to turn on the computer.
		NOTICE: To avoid losing data, do not turn off the computer by pressing the
		power button. Instead, perform an operating system shutdown. See "Before You
		Begin" on page 25 for more information.
6	vents	The vents help prevent your computer from overheating. To ensure proper
		ventilation, do not block these cooling vents.
7	module bay	Install a D-module optical drive, second hard drive, or floppy drive in the module
		bay.
8	hard-drive access light	The hard-drive access light is on when the computer reads data from or writes data
		to the hard drive. The light might also be on when devices such as your CD player
		are operating.
9	vents	The vents help prevent your computer from overheating. To ensure proper
		ventilation, do not block these cooling vents.

Ultra-Small Form Factor Computer — Side View

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1	vents	The vents located on each side of the computer help prevent your computer from
		overheating. To ensure proper ventilation, do not block these cooling vents.

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Quick Reference Guide