Dell PowerEdge 2850 - Manual (Page 28)

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Troubleshooting Your System
Dell™ PowerEdge™ 2850 Systems Installation and Troubleshooting Guide
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 5 -1 .
Table 5-1. 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 External Connections
Loose or improperly connected cables are the most likely source of problems for the system, monitor, and other peripherals (such as a printer, keyboard,
mouse, or other external device). Ensure that all external cables are securely attached to the external connectors on your system. See
Figure 2 -1 for the front-
panel connectors on your system and Figure 2 -3 for the back-panel connectors.
Troubleshooting the Video Subsystem
Safety First—For You and Your System Troubleshooting Power Supplies
Start-Up Routine Troubleshooting System Cooling Problems
Checking the Equipment Troubleshooting System Memory
Troubleshooting External Connections Troubleshooting a Diskette Drive
Troubleshooting Basic I/O Functions Troubleshooting an Optical Drive
Troubleshooting a NIC Troubleshooting an External SCSI Tape Drive
Responding to a Systems Management Software Alert Message Troubleshooting SCSI Hard Drives
Inside the System Troubleshooting an Integrated RAID Controller
Troubleshooting a Wet System Troubleshooting a RAID Controller Card
Troubleshooting a Damaged System Troubleshooting Expansion Cards
Troubleshooting the System Battery Troubleshooting the Microprocessors
CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. See
your Product Information Guide for complete information about safety precautions, working inside the computer, and protecting against
electrostatic discharge.
Look/listen for: Action
A 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, Codes, and Messages."
A series of beeps emitted by the system. See " System Beep Codes " in "Indicators, Codes, and Messages."
Alert messages from the systems management software. See the systems management software documentation.
The monitor's power indicator. See " Troubleshooting the Video Subsystem ."
The keyboard indicators. See " Troubleshooting the Keyboard ."
The USB diskette drive activity indicator. See " Troubleshooting a USB Device ."
The USB optical drive activity indicator. See " Troubleshooting a USB Device ."
The diskette drive activity indicator. See " Troubleshooting a Diskette Drive ."
The optical drive activity indicator. See " Troubleshooting an Optical Drive ."
The hard-drive activity indicator. See " Troubleshooting SCSI Hard Drives ."
An unfamiliar constant scraping or grinding sound when you access a drive. See " Getting Help ."