Dell T5400 manual remove the front panel Removing the Computer Cover

6USB 2.0 connectors (2) Use the front USB connectors for devices that you connect occasionally, such as flash memory keys or cameras, or for bootable USB devices (see "System Setup" in your User’s Guide for more information on booting to a USB device).

Dell recommends that you use the back USB connectors for devices that typically remain connected, such as printers and keyboards.

7	Dell rotatable badge	To rotate the Dell badge for tower-to-desktop conversion:
		remove the front panel ("Removing the Computer Cover"
		in your User’s Guide), turn it over, and rotate the plastic
		handle behind the badge.
8	power button,	Press the power button to turn on the computer. The light in
	power light	the center of this button indicates power state. See "Controls
		and Lights" in your User’s Guide for more information.
		NOTICE: To avoid losing data, do not use the power
		button to turn off the computer. Instead, perform an
		operating system shutdown.
9	headphone connector	Use the headphone connector to attach headphones.
10	microphone connector	Use the microphone connector to attach a personal
		computer microphone for voice or musical input into
		a sound or telephony program.
11	network link light	The network link light is on when a good connection
		exists between a 10-Mbps, 100-Mbps, or 1000-Mbps
		(or 1-Gbps) network and the computer.

12diagnostic lights (4) Use these lights to help you troubleshoot a computer problem based on the diagnostic code. For more information, see "Power Lights" on page 27.

Quick Reference Guide

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