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 7-15
2. Enter the System Setup program to check the
To t a l M e m o r y
or
System Mem-
ory
setting.
See “Using the System Setup Program," in the User's Guide for instructions.
Does the amount of memory installed match the
Total Memory
or
System
Memory
setting?
Ye s .
Go to step 8.
No.
Go to step 3.
3. Turn off the system, including any attached peripherals, and disconnect the
power cable from the electrical outlet.
'()*+,1.!+/1
4. Open the computer doors.
5. Reseat the DIMMs in their sockets.
6. Close the computer doors, reconnect the system to AC power, and turn on the
system.
7. Enter the System Setup program and check the
To t a l M e m o r y
or
System
Memory
setting again.
Does the amount of memory installed match the
Total Memory
or
System
Memory
setting?
Ye s .
Go to step 8.
No.
Go to step 9.
8. Reboot the system, and observe the monitor screen and the Num Lock, Caps
Lock, and Scroll Lock indicators on the keyboard.
Does the monitor screen remain blank, and do the Num Lock, Caps Lock, and
Scroll Lock indicators on the keyboard remain on?
Ye s .
Go to step 9.
No.
Go to step 13.
9. Repeat steps 3 and 4.
10. Swap the DIMM in socket DIMM_A with one of the same capacity.
11. Close the computer doors and reconnect the system to an electrical outlet.










