Dell C521 specifications Cards, Removing Memory

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7.When a message appears stating that memory size has changed, press <F1> to continue.

8.Log on to your computer.

9.Right-click the My Computer icon, then click Properties.

10.Click the General tab.

11.To verify that the memory is installed correctly, check the amount of memory (RAM) listed.

Removing Memory

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information Guide.

NOTICE: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components. You can do so by touching an unpainted metal surface on the computer chassis.

1.Follow the procedures in Before You Begin.

2.Press out the securing clip at each end of the memory module connector.

3.Grasp the module and pull up.

If the module is difficult to remove, gently ease the module back and forth to remove it from the connector.

4.Replace the computer cover. See Replacing the Computer Cover.

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

5. Connect your computer and devices to electrical outlets, and then turn them on.

Cards

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information Guide.

NOTICE: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components. You can do so by touching an unpainted metal surface on the computer chassis.

Your Dell™ computer provides the following slots for PCI and PCI Express cards:

One low-profile PCI card slot

One low-profile PCI Express x1 and x16 card slot

1

PCI Express x1 card

2

PCI Express x16 card

3

PCI

 

 

 

 

 

 

4

PCI Express x1 card slot

5

PCI Express x16 card slot

6

PCI card slot

 

 

 

 

 

 

If you are installing or replacing an expansion card, follow the procedures in the next section. If you are removing and not replacing an expansion card, see Removing an Expansion Card.

If you are replacing a card with a different type of card, remove the current driver for the card from the operating system.

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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 Turning Off Your Computer Before You BeginGetting Started Recommended ToolsPage Replacing the Computer Cover Removing the Computer Cover DDR2 Memory Overview Removing and Installing PartsMemory Installing Memory Removing Memory CardsInstalling an Expansion Card Removing an Expansion Card Drives Connecting and Disconnecting Drive Cables General Installation GuidelinesDrive Interface Connectors Power Cable ConnectorRemoving a CD/DVD Drive Installing a CD/DVD DriveCD/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 PanelRemoving the Fan Assembly Fan AssemblyInstalling the Front I/O Panel Removing the System Board Installing the Fan AssemblySystem Board Replacing the System Board Page Specifications Controls and Lights ConnectorsDrives Environmental PowerPhysical Overview System SetupEntering System Setup OverviewSystem System Setup Options64MB Post Behavior Boot MenuJumper Locations Clearing Password Settings Clearing Forgotten Passwords and Cmos SettingsClearing Cmos Settings Flashing the BiosSystem Board Components Technical OverviewInside View of Your Computer Jumper Setting Description Jumper SettingsPin Number Signal name AWG Wire Power Supply DC Connector Pin AssignmentsDC Power Connector P1 DC Power Connector P5 and P6 DC Power Connector P2DC Power Connector P3 DC Power Connector P4Black +12 VDC Yellow September 2006 Rev. A00 Dell Diagnostics Main Menu TroubleshootingDell Diagnostics When to Use the Dell DiagnosticsSystem Lights Diagnostic LightsPower Light Problem Description Suggested Resolution Problem Description Suggested ResolutionCode Cause Beep Codes