Dell C521 specifications Removing an Expansion Card

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1

release tab

2

card retention door

3

filler bracket

 

 

 

 

 

 

4

alignment guide

5

alignment bar

 

 

 

 

 

 

 

 

8. Close the card retention door by snapping it into place.

NOTICE: Do not route card cables over the cards. Cables routed over the cards can prevent the computer cover from closing properly or cause damage to the equipment.

9.Connect any cables that should be attached to the card.

See the documentation for the card for information about the card's cable connections.

NOTICE: To connect a network cable, first plug the cable into the network port or device, and then plug it into the computer.

10.Replace the computer cover, reconnect the computer and devices to electrical outlets, and then turn them on.

11.If you installed a sound card:

a.Enter system setup, select Integrated Audio from the Onboard Devices group, and change the setting to Off. See System Setup Options.

b.Connect external audio devices to the sound card's connectors. Do not connect external audio devices to the line-in connector on the back panel of the computer. See Back Panel I/O Connectors.

12.If you installed an add-in network adapter and want to disable the integrated network adapter:

a.Enter system setup, select Integrated NIC from the Onboard Devices group, and change the setting to Off. See System Setup Options.

b.Connect the network cable to the network adapter card's connectors. Do not connect the network cable to the integrated network connector on the back panel of the computer.

13.Install any drivers required for the card as described in the card documentation.

Removing an Expansion Card

1.Follow the procedures in Before You Begin.

2.Gently push the release tab on the card retention door from the inside to pivot the door open. Because the door is captive, it will remain in the open position.

3.If necessary, disconnect any cables connected to the card.

4.Remove the card:

If you are removing a PCI or PCI Express x1 card, grasp the card by its top corners and ease it out of its connector. Then go to step 6.

If you are removing a PCI Express x16 card, go to step 5.

5.While pressing the lever, pull the card up and out of the card connector.

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Contents September 2006 Rev. A00 Front View About Your ComputerBack View of the Computer Back Panel I/O ConnectorsBack to Contents Getting Started Before You BeginRecommended Tools Turning Off Your ComputerPage Replacing the Computer Cover Removing the Computer Cover Memory Removing and Installing PartsDDR2 Memory Overview Installing Memory Removing Memory CardsInstalling an Expansion Card Removing an Expansion Card Drives Drive Interface Connectors General Installation GuidelinesPower Cable Connector Connecting and Disconnecting Drive CablesCD/DVD Drive Installing a CD/DVD DriveRemoving a CD/DVD Drive Removing a Floppy Drive Floppy DriveInstalling a Floppy Drive Removing a Media Card Reader Media Card ReaderInstalling a Media Card Reader Removing a Hard Drive Hard DriveInstalling a Hard Drive Replacing the Battery BatteryRemoving the Processor ProcessorInstalling the Processor Page Replacing the Power Supply Power SupplyRemoving the Front I/O Panel Front I/O PanelInstalling the Front I/O Panel Fan AssemblyRemoving the Fan Assembly System Board Installing the Fan AssemblyRemoving the System Board Replacing the System Board Page Specifications Drives ConnectorsControls and Lights Physical PowerEnvironmental Entering System Setup System SetupOverview OverviewSystem System Setup Options64MB Post Behavior Boot MenuJumper Locations Clearing Password Settings Clearing Forgotten Passwords and Cmos SettingsClearing Cmos Settings Flashing the BiosInside View of Your Computer Technical OverviewSystem Board Components Jumper Setting Description Jumper SettingsDC Power Connector P1 Power Supply DC Connector Pin AssignmentsPin Number Signal name AWG Wire DC Power Connector P3 DC Power Connector P2DC Power Connector P4 DC Power Connector P5 and P6Black +12 VDC Yellow September 2006 Rev. A00 Dell Diagnostics TroubleshootingWhen to Use the Dell Diagnostics Dell Diagnostics Main MenuPower Light Problem Description Suggested Resolution Diagnostic LightsProblem Description Suggested Resolution System LightsCode Cause Beep Codes