Dell C521 specifications Installing an Expansion Card

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Installing an Expansion Card

1.Follow the procedures in Before You Begin.

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

3.If you are installing a new card, remove the filler bracket to create a card-slot opening, then continue with step 5.

1

release tab

2

card retention door

 

 

 

 

4.If you are replacing a card that is already installed in the computer, remove the card.

If necessary, disconnect any cables connected to the card. Grasp the card by its top corners, and ease it out of its connector.

5.Prepare the card for installation.

See the documentation that came with the card for information on configuring the card, making internal connections, or otherwise customizing it for your computer.

CAUTION: Some network adapters automatically start the computer when they are connected to a network. To guard against electrical shock, be sure to unplug your computer from its electrical outlet before installing any cards.

6. Place the card in the connector and press down firmly. Ensure that the card is fully seated in the slot.

1

bracket within slot

2

bracket caught outside of slot

3

alignment bar

4

alignment guide

5

fully seated card

6

not fully seated card

 

 

 

 

 

 

7. Before you close the card retention door, ensure that:

The tops of all cards and filler brackets are flush with the alignment bar.

The notch in the top of the card or filler bracket fits around the alignment guide.

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Contents September 2006 Rev. A00 About Your Computer Front ViewBack Panel I/O Connectors Back View of the ComputerBack to Contents Before You Begin Getting StartedRecommended Tools Turning Off Your ComputerPage Replacing the Computer Cover Removing the Computer Cover Removing and Installing Parts Memory DDR2 Memory Overview Installing Memory Cards Removing MemoryInstalling an Expansion Card Removing an Expansion Card Drives General Installation Guidelines Drive Interface ConnectorsPower Cable Connector Connecting and Disconnecting Drive CablesInstalling a CD/DVD Drive CD/DVD DriveRemoving a CD/DVD Drive Floppy Drive Removing a Floppy DriveInstalling a Floppy Drive Media Card Reader Removing a Media Card ReaderInstalling a Media Card Reader Hard Drive Removing a Hard DriveInstalling a Hard Drive Battery Replacing the BatteryProcessor Removing the ProcessorInstalling the Processor Page Power Supply Replacing the Power SupplyFront I/O Panel Removing the Front I/O PanelFan Assembly Installing the Front I/O PanelRemoving the Fan Assembly Installing the Fan Assembly System BoardRemoving the System Board Replacing the System Board Page Specifications Connectors DrivesControls and Lights Power PhysicalEnvironmental System Setup Entering System SetupOverview OverviewSystem Setup Options System64MB Boot Menu Post BehaviorClearing Forgotten Passwords and Cmos Settings Jumper Locations Clearing Password SettingsFlashing the Bios Clearing Cmos SettingsTechnical Overview Inside View of Your ComputerSystem Board Components Jumper Settings Jumper Setting DescriptionPower Supply DC Connector Pin Assignments DC Power Connector P1Pin Number Signal name AWG Wire DC Power Connector P2 DC Power Connector P3DC Power Connector P4 DC Power Connector P5 and P6Black +12 VDC Yellow September 2006 Rev. A00 Troubleshooting Dell DiagnosticsWhen to Use the Dell Diagnostics Dell Diagnostics Main MenuDiagnostic Lights Power Light Problem Description Suggested ResolutionProblem Description Suggested Resolution System LightsBeep Codes Code Cause