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

support.dell.com Checking Inside the Computer 7-19
The computer's power supply is not providing sufficient power for the drives.
The computer's diskette drive logic is faulty.
To troubleshoot the diskette drive subsystem, perform the following steps:
1. Enter the System Setup program, and verify that the diskette drive setting is con-
figured correctly.
See "Using the System Setup Program," in the User's Guide for instructions.
2. If the system configuration settings are incorrect, make the necessary correc-
tions in the System Setup program, and then reboot the system.
3. Run the diskette drives test in the Dell Diagnostics to determine whether the dis-
kette drive subsystem now works correctly.
Do the tests complete successfully?
Ye s .
You have fixed the problem.
No.
Go to step 4.
4. Turn off the system, including any attached peripherals, and disconnect the AC
power cable from its power source.
5. Open the computer doors.
'()*+,-.!+/0
6. Remove all expansion cards from the computer.
7. Close the computer doors, reconnect the system to AC power, and turn on the
system.
8. Run the diskette drives test in the Dell Diagnostics to determine whether the dis-
kette drive subsystem now works correctly.
Do the tests complete successfully?
Ye s .
An expansion card may be conflicting with the diskette drive logic, or you
may have a faulty expansion card. Go to step 9.
No.
The diskette drive subsystem is faulty. See Chapter 11, “Getting Help,” for
instructions on obtaining technical assistance.
9. Repeat steps 4 and 5, and reinstall one of the expansion cards that you removed
in step 6.
10. Close the computer doors, reconnect the system to AC power, and turn on the
system.
11. Run the diskette drive tests in the Dell Diagnostics to determine whether the dis-
kette drive subsystem now works correctly.










