See "Troubleshooting the Video Subsystem."5. Is the keyboard working properly?See "Troubleshooting the Keyboard."6. Are the mouse and printer working properly?See "Troubleshooting the Basic I/O Functions."Start-Up RoutineLooking at and listening to the system is important in determining the source of a problem. Look and listen during the system's start-up routine for theindications described in Table 5-1.System OrientationFigure 5-1 shows the rack and tower versions of your system. The illustrations in this document are based on the tower version with the system laying on itsright side.Figure 5-1. System OrientationBezelThe bezel has status and caution indicators. Opening or removing the bezel provides access to the power switch, diskette drive, CD drive, and hard drive(s).You must open the bezel and remove the system covers to gain access to internal components.Opening the Bezel1. Using the system key, unlock the bezel if it is locked.2. Pull the bezel away from the system so that it is perpendicular to the system (see Figure 5-2).Figure 5-2. Opening the BezelTable 5-1. Start-Up Routine IndicationsLook/listen for: ActionA status or error message displayed on the front-panel LCD See "LCD Status Messages" in "Indicators, Messages, and Codes."An error message displayed on the monitor See "System Messages" in "Indicators, Messages, and Codes."A series of beeps emitted by the system See "System Beep Codes" in "Indicators, Messages, and Codes."Alert messages from the Dell OpenManage™ Server Administrator software See "Alert Messages" in "Indicators, Messages, and Codes."The monitor's power indicator See "Troubleshooting the Video Subsystem."The keyboard indicators See "Troubleshooting the Keyboard."The diskette-drive activity indicator See "Troubleshooting the Diskette Drive."The CD drive activity indicator See "Troubleshooting a CD Drive."The hard-drive activity indicators See "Troubleshooting Hard Drives."An unfamiliar constant scraping or grinding sound when you access a drive See "Getting Help" for instructions on obtaining technical assistance.NOTE: For the full name of an abbreviation or acronym used in this table, see "Abbreviations and Acronyms."