Quick Reference Guide
Table Of Contents
- 6741Utopcover
- 6741Ubk0toc
- 6741Uc10
- 6741Uc20
- 6741Uc30
- 6741Uc40
- 6741Uc50
- 6741Uc60
- 6741Uc70
- Contents
- Checking Inside the Computer
- Safety First—For You and Your Computer
- Opening the Computer Doors
- Removing the Optional Front Bezel
- Removing and Replacing the Expansion- Card Cage
- Removing the Expansion-Card Cage
- Replacing the Expansion-Card Cage
- Inside the Chassis
- Troubleshooting a Wet Computer
- Troubleshooting a Damaged Computer
- Troubleshooting the Battery
- Troubleshooting Redundant Power Supplies
- Removing and Replacing a Power Supply
- Troubleshooting a Cooling Fan
- Troubleshooting Expansion Cards
- Troubleshooting System Memory
- Troubleshooting the Video Subsystem
- Troubleshooting the System Board
- Troubleshooting the Diskette Drive Subsystem
- Troubleshooting a SCSI Tape Drive
- Troubleshooting SCSI Hard-Disk Drives
- Troubleshooting a RAID Controller
- Troubleshooting an Integrated RAID Controller
- Troubleshooting a PERC 2 Card
- 6741Uc80
- Contents
- Installing System Board Options
- Expansion Cards
- Installing an Expansion Card
- Removing an Expansion Card
- Adding Memory
- Memory Upgrade Kits
- DIMM Installation Guidelines
- Performing a Memory Upgrade
- Installing DIMMs
- Removing DIMMs
- Upgrading the Microprocessor or Installing a Secondary Microprocessor
- Removing a Terminator Card
- Installing a Terminator Card
- Removing the SEC Cartridge and Heat Sink Assembly
- Replacing the SEC Cartridge and Heat Sink Assembly
- Activating the Integrated RAID Controller
- Replacing the Battery
- 6741Uc90
- 6741u100
- Contents
- Installing Hard-Disk Drives
- Preparing SCSI Hard-Disk Drives for Installation
- SCSI Hard-Disk Drive Configuration
- Partitioning and Formatting SCSI Hard-Disk Drives
- General Information on Cabling
- Installing SCSI Hard-Disk Drives
- Installing a Dell PowerEdge Expandable RAID Controller Host Adapter Card
- Installing a SCSI Backplane Daughter Card
- Configuring the Boot Device
- 6741u110
- 6741UappendixA
- 6741UsafetyInstructions
- Contents
- Safety Instructions
- Notes, Notices, Cautions, and Warnings
- Safety Caution and Warnings
- Additional Safety Precautions
- General Precautions
- Precautions for Server and Storage Systems
- Precautions for Rack-Mountable Products
- Precautions for Products With Modems, Telecommunications, or Local Area Network Options
- Precautions for Products With Laser Devices
- When Working Inside Your Computer
- Protecting Against Electrostatic Discharge
- Ergonomic Computing Habits
- 6741Upreface
- 6741Ugabbrev
- 6741Ubk0lof
- 6741Ubk0lot
- 6741Ubk0toc

2-2 Dell PowerEdge 2450 Systems Installation and Troubleshooting Guide
3. Perform the steps in the next section, “Checking Connections and Switches.”
Is the problem resolved?
Ye s . The power to the computer system was faulty, or the connections to the
computer system were loose. You have fixed the problem.
No. Go to step 4.
4. Follow the procedures described in "Look and Listen," found later in this chapter.
Did the system complete the boot routine?
Ye s . Go to step 5.
No. A serious malfunction may have occurred. Go to Chapter 11, “Getting Help.”
5. Did you receive a system message or beep code?
Ye s . Go to “System Messages” in Chapter 3, “Messages and Codes.”
No. Go to step 6.
6. Verify the settings in the System Setup program. (See Chapter 4, “Using the Sys-
tem Setup Program,” in your
User’s Guide
.
Is the problem resolved?
Ye s . The system configuration information was incorrect. You have fixed the
problem.
No. Go to step 7.
7. Run the Dell Diagnostics. (See Chapter 5, “Running the Dell Diagnostics.”)
Improperly set switches and controls and loose or improperly connected cables are
the most likely source of problems for the computer, monitor, or other peripherals
(such as a printer, keyboard, mouse, or other external equipment). A quick check of
all the switches, controls, and cable connections can easily solve these problems.
Figure 2-1 shows the back-panel connections on the computer. Figure 2-2 shows the
front-panel controls and indicators on the computer.










