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

6-2 Dell PowerEdge 2450 Systems Installation and Troubleshooting Guide
2. Run the video tests in the Dell Diagnostics.
Is the monitor displaying text properly?
Ye s . Go to step 3.
No. If a video expansion card is installed in the computer, see “Troubleshooting
Expansion Cards” in Chapter 7, “Checking Inside the Computer.” If no video
expansion card is installed, the integrated video controller is faulty; see Chapter
11 , “Getting Help,” for instructions on obtaining technical assistance.
3. Run the video tests in the Dell Diagnostics.
Did the tests run successfully?
Ye s . You have fixed the problem, or the problem is software-related. For informa-
tion about installing video drivers, see "Using the
Dell OpenManage Server
Assistant
CD," in the
User's Guide
.
No. Go to step 4.
4. Turn off the system and disconnect it from the electrical outlet.
5. Swap the monitor with one of the same type that is working, and reconnect the
system to the electrical outlet.
6. Run the video tests in the Dell Diagnostics again.
Did the tests run successfully?
Ye s . The monitor must be replaced. See Chapter 11, “Getting Help,” for instruc-
tions on obtaining technical assistance.
No. If a video expansion card is installed in the computer, see “Troubleshooting
Expansion Cards” in Chapter 7, “Checking Inside the Computer.” If no video expan-
sion card is installed, the integrated video controller is faulty; see Chapter 11,
“Getting Help,” for instructions on obtaining technical assistance.
This procedure determines what kind of keyboard problem you may have. If a system
error message indicates a keyboard problem when you start the computer system or
while the Dell Diagnostics is running, perform the following steps:
1. Look at the keyboard and the keyboard cable for any signs of damage.
Press and release each key on the keyboard.
Do the keyboard and its cable appear to be free of physical damage, and do the
keys work?
Ye s . Go to step 3.
No. Go to step 2.










