Dell T5400 Quick Reference Manual

Also see for Precision T5400: User guide Quick reference guide Specification Quick reference guide Quick reference guide

Quick Reference Guide 196 USB 2.0 connectors (2) Use the front USB connectors for devices that youconnect occasionally, such as flash memory keys orcameras, or for bootable USB devices (see "SystemSetup" in your User’s Guide for more information onbooting to a USB device).Dell recommends that you use the back USB connectors fordevices that typically remain connected, such as printersand 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 plastichandle behind the badge.8 power button,power lightPress the power button to turn on the computer. The light inthe center of this button indicates power state. See "Controlsand Lights" in your User’s Guide for more information.NOTICE: To avoid losing data, do not use the powerbutton to turn off the computer. Instead, perform anoperating system shutdown.9 headphone connector Use the headphone connector to attach headphones.10 microphone connector Use the microphone connector to attach a personalcomputer microphone for voice or musical input intoa sound or telephony program.11 network link light The network link light is on when a good connectionexists between a 10-Mbps, 100-Mbps, or 1000-Mbps(or 1-Gbps) network and the computer.12 diagnostic lights (4) Use these lights to help you troubleshoot a computerproblem based on the diagnostic code. For more information,see "Power Lights" on page 27.