Dell D17M manual Installing the Power Supply Unit PSU

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3.Disconnect the following power supply cables from the system board by pressing on the retention latch and lifting it upwards.

•system board power cable [1]

•system fan power cable [2]

a. Remove the screws that secure the power supply to the computer.

4.Follow the steps below to remove the power supply unit:

a.Push-in on the blue release tab beside the power supply [1].

b.Slide the power supply unit towards the back and remove it from the computer.

Installing the Power Supply Unit (PSU)

1.Slide the PSU towards the back of the computer until it snaps into place.

2.Replace the screws to secure the power supply until to the computer.

3.Connect the power cables to the system board.

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Contents Dell Vostro 3900/3902 Page Contents Troubleshooting Your Computer Before Working Inside Your Computer Working on Your ComputerTurning Off Your Computer After Working Inside Your Computer System Overview Removing and Installing ComponentsRecommended Tools Removing the Bezel Installing the CoverRemoving the Cover Removing the Hard Drive Installing the BezelInstalling the Hard Drive Removing the Optical Drive Installing the Optical DriveRemoving the Memory Installing the Card ReaderRemoving the Card Reader Removing the Heatsink Installing the MemoryInstalling the Heatsink Removing the Expansion Cards Installing the ProcessorRemoving the Processor Removing The Power Supply Unit PSU Installing the Expansion CardsInstalling the Power Supply Unit PSU Installing the Power Switch Removing the Power SwitchRemoving the Input/Output I/O Panel Removing the System Fan Installing the Input/Output I/O PanelInstalling the System Fan Removing the System Board Installing the System BoardSystem Board Components Page Diagnostic Power LED Codes Troubleshooting Your ComputerDiagnostic Error Messages Insert Bootable Media HARD-DISK Drive Configuration ErrorInvalid Configuration INFORMATION-PLEASE RUN System Setup ProgramMemory Allocation Error Licensed Content is not Accessible in MediadirectNo Boot Device Available No Boot Sector on Hard DriveTIME-OF-DAY Clock Lost Power Seek Error\ is not ACCESSIBLE. the Device is not Ready Not Enough Memory or RESOURCES. ExitSystem Error Messages System Setup Overview System SetupEnter System Setup System Setup OptionsSata AdvancedBoot Wlan PowerSpecifications PCI USBVAC-264 VAC Page Contacting Dell