Table 1. Front panel features and indicatorsItem Indicator, button, orconnector Icon Description1 Diagnostic indicators Enables you to view error status during systemstartup. The diagnostic indicators are located onthe system front panel. For more information, seeDiagnostic indicators.2 Power-on indicator,power buttonEnables you to know the power status of thesystem. The power-on indicator glows when thesystem power is on. The power button controlsthe power supply output to the system.NOTE: On ACPI-compliant operating systems,turning off the system using the power buttoncauses the system to perform a gracefulshutdown before power to the system isturned off.3 Optical drive (optional) Enables you to install an optional slim SATA DVD-ROM drive or DVD+/-RW drive.4 USB connector Enables you to connect USB devices to the system.This port is USB 3.0 compliant.5 USB connector Enables you to connect USB devices to the system.This port is USB 2.0 compliant.Diagnostic indicatorsThe diagnostic indicators on the system front panel display error status during system startup.NOTE: No diagnostic indicators are lit when the system is switched off. To start the system, plug itinto a working power source and press the power button.Table 2. Diagnostic indicatorsIcon Description Condition Corrective actionHealthindicatorIf the system is on and ingood health, the indicatorturns solid blue.None required.The indicator flashes amberif the system is on or instandby, and if any errorexists (for example, a failedfan or hard drive).Check the System Event Log or systemmessages for the specific issue. For moreinformation about error messages, see theDell Event and Error Messages ReferenceGuide at Dell.com/openmanagemanuals >OpenManage software.Invalid memory configurations can causethe system to halt at startup without anyvideo output. See Getting help.9
