Troubleshooting Your System 101Troubleshooting Your SystemSafety First—For You and Your SystemTo perform certain procedures in this document, you must remove the system cover and work insidethe system. While working inside the system, do not attempt to service the system except asexplained in this guide and elsewhere in your system documentation.CAUTION: Many repairs may only be done by a certified service technician. You should only performtroubleshooting and simple repairs as authorized in your product documentation, or as directed by the onlineor telephone service and support team. Damage due to servicing that is not authorized by Dell is not coveredby your warranty. Read and follow the safety instructions that came with the product.Start-Up RoutineLook and listen during the system's start-up routine for the indications described in Table 4-1.Checking the EquipmentThis section provides troubleshooting procedures for external devices attached to the system, suchas the monitor, keyboard, or mouse. Before you perform any of the procedures, see "TroubleshootingExternal Connections" on page 102.Table 4-1. Start-Up Routine IndicationsLook/listen for: ActionAn error message displayed on the monitor See "Server Module Messages" on page 34.Alert messages from the systems managementsoftwareSee the systems management software documentation.The monitor's power indicator See "Troubleshooting the Video Subsystem" on page 102.The keyboard indicators See "Troubleshooting the Keyboard" on page 103.The USB diskette drive activity indicator See "Troubleshooting USB Devices" on page 105.The USB optical drive activity indicator See "Troubleshooting USB Devices" on page 105.The hard-drive activity indicator See "Troubleshooting Hard Drives" on page 113.An unfamiliar constant scraping or grindingsound when you access a driveSee "Getting Help" on page 127.
