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 Troubleshooting Your System
Dell™PowerEdge™SC430SystemsInstallationandTroubleshootingGuide
Safety First—For You and Your System
Start-Up Routine
Checking the Equipment
Troubleshooting External Connections
Troubleshooting Basic I/O Functions
Troubleshooting a NIC
Opening the System
Closing the System
Inside the System
Troubleshooting a Wet System
Troubleshooting a Damaged System
Troubleshooting the System Battery
Troubleshooting Power Supplies
Troubleshooting System Cooling Problems
Troubleshooting System Memory
Troubleshooting a Diskette Drive
Troubleshooting a CD Drive
Troubleshooting an IDE Tape Drive
Troubleshooting an Internal SCSI Tape Drive
Troubleshooting SCSI Hard Drives
Troubleshooting SATA Hard Drives
Troubleshooting Expansion Cards
Troubleshooting the Microprocessor
Safety First—For You and Your System
To perform certain procedures in this document, you must remove the system cover and work inside the system. While working inside the system, do not
attempt to service the system except as explained in this guide and elsewhere in your system documentation.

Start-Up Routine
Look and listen during the system's start-up routine for the indications described in Table4-1.
Table 4-1. Start-UpRoutineIndications
Checking the Equipment
This section provides troubleshooting procedures for external devices attached to the system, such as the monitor, keyboard, or mouse. Before you perform
any of the procedures, see "Troubleshooting External Connections."

Troubleshooting IRQ Assignment Conflicts
CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system.
Before performing any procedure, see your Product Information Guide for complete information about safety precautions, working inside the
computer and protecting against electrostatic discharge.

Look/listen for:

Action
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."
The monitor's power indicator.
See "Troubleshooting the Video Subsystem."
The keyboard indicators.
See "Troubleshooting the Keyboard."
The diskette drive (optional) activity indicator.
See "Troubleshooting a Diskette Drive."
The CD drive activity indicator.
See "Troubleshooting a CD Drive."
The hard-drive activity indicator.
See "Troubleshooting SCSI Hard Drives" or "Troubleshooting SATA Hard Drives."
An unfamiliar constant scraping or grinding sound when you access a drive.
See "Getting Help."