Dell 9150 service manual

Page 63

Removing and Installing Parts: Dell Dimension 9150 Service Manual

b.Set the retention mechanism aside in a secure location.

4.Use a long Phillips screwdriver to loosen the two captive screws on each side of the heat-sink assembly.

CAUTION: Despite having a plastic shield, the heat-sink assembly may be very hot during normal operation. Be sure that it has had sufficient time to cool before you touch it.

5. Rotate the heat-sink assembly towards the rear of the computer, and remove it from the computer.

1 heat sink and fan shroud assembly 2 captive screw housing (2)

6.Place the heat-sink assembly on its side in a safe place.

7.Disconnect the system fan cable from the system board.

8.Ensure that all cables have been removed from the routing clips on the top of the system fan assembly.

file:///T/htdocs/systems/dim9150/en/sm/parts.htm[10/31/2012 7:59:36 AM]

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Contents Model Dcta August 2006 Rev. A01 Turning Off Your Computer Before You BeginGetting Started Recommended ToolsBefore Working Inside Your Computer Front View of the Computer About Your ComputerBack View of the Computer Telephony program Page Removing the Computer Cover Back to Contents Inside View of Your Computer System Board Components Technical OverviewPower Supply DC Connector Pin Assignments Pin Number Signal Name Color Wire Gauge DC Power Connector P1DC Power Connector P2 DC Power Connect P3 and P5Pin Number Signal Name 18-AWG Wire DC Power Connector P4 DC Power Connector P7DC Power Connectors P8, P9, and P10 DC Power Connector P12 DC Power Connector P11Specifications Drives ConnectorsControls and Lights PowerEnvironmental PhysicalAdvanced Troubleshooting Power LightsDiagnostic Lights Suggested Resolution Light Pattern Problem DescriptionCode Cause Beep CodesReseat the memory modules Message Possible Cause Corrective ActionKeyboard or system board may need to be replaced System Setup Entering System SetupOverview System Setup Options Video Post Behavior Boot SequenceChanging Boot Sequence for the Current Boot Clearing Forgotten PasswordsReplace the computer cover Clearing Cmos SettingsBack to Contents Removing and Installing Parts MemoryMemory Overview Addressing Memory With 4-GB Configurations Installing MemoryPage Removing Memory CardsRemoving and Installing PCI and PCI Express Cards Page Page Page Network Adapter and Sound Card Settings Removing the Drive Panel Drive PanelsReplacing the Drive-Panel Insert Removing the Drive-Panel InsertConnecting Drive Cables DrivesReplacing the Drive Panel Hard Drive Drive Interface ConnectorsRemoving a Hard Drive Installing a Hard Drive Adding a Second Hard Drive Floppy Drive Removing a Floppy Drive Installing a Floppy Drive Media Card ReaderRemoving a Media Card Reader Page Installing a Media Card Reader Removing a CD/DVD Drive CD/DVD DriveInstalling a CD/DVD Drive Replace the computer cover Removing the Power Supply Power SupplyReplacing the Power Supply ProcessorRemoving the Processor Page Installing the Processor Socket and processor pin-1 indicator Panel Components PanelRemoving the I/O Panel Page Page Battery Replacing the BatteryReplacing the I/O Panel Removing the System Board System BoardReplacing the System Board Back to Contents Replacing the Computer Cover

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