Dell GX400 manual Components, Removing the Control Panel

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Control Panel

Dell™ OptiPlex™ GX400 Service Manual

Components

Removing the Control Panel

Replacing the Control Panel

Components

The following figure shows the control panel and the location of its principal connectors and components.

Control Panel Components

Removing the Control Panel

CAUTION: Before you perform this procedure, see "Precautionary Measures."

NOTICE: Before disconnecting a device from the computer or removing a component from the system board, verify that the standby power light on the system board has turned off. To locate this light, see "System Board Components."

1.Turn off the computer and devices, disconnect them from their electrical outlets, wait at least 5 seconds, and then remove the computer cover.

2.Remove the front panel.

3.Remove the AGP card brace or AGP card clip.

4.Remove all expansion cards.

5.Remove the hard-drive bracket.

6.Remove the expansion-card guide.

7.Remove the chassis intrusion switch.

8.Remove the screw that secures the control panel.

9.Pull the control panel out slightly and unplug the control panel cable.

10.To remove the control panel cable:

a.Pull the control panel connector inside the chassis through the opening.

b.Disconnect the control panel cable from the connector on the system board and lift the control panel cable away from the chassis.

Removing the Control Panel

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Contents VRM Removing the AGP Card Brace AGP Card BraceReplacing the AGP Card Brace Removing the Computer Battery Computer BatteryReplacing the Computer Battery Restarting the Computer Precautionary MeasuresBefore You Begin Recommended ToolsRemoving the Chassis Intrusion Switch Chassis Intrusion SwitchReplacing the Chassis Intrusion Switch Back to Contents Components Control PanelRemoving the Control Panel Replacing the Control Panel Removing the Computer Cover Computer CoverReplacing the Computer Cover Replacing the Cover Drive Location Disk Drives and MediaRemoving the Floppy Drive Replacing the Floppy Drive Removing a CD, Zip, or Other External Drive Replacing a CD, Zip, or Other External Drive Attaching Drive Cables Removing a Hard Drive Replacing a Hard Drive Attaching Hard-Drive Cables Page Expansion Card Types Expansion CardsRemoving an Expansion Card Removing an Expansion Card Back to Contents Removing the Expansion-Card Guide Expansion-Card GuideReplacing the Expansion-Card Guide Back to Contents Removing the Front Panel Front PanelReplacing the Front Panel Removing Front-Panel Buttons Front-Panel ButtonsReplacing Front-Panel Buttons Page Removing Front-Panel Inserts Front-Panel InsertsReplacing Front-Panel Inserts Chassis Interior Inside Your ComputerRemoving a Memory Module System MemoryReplacing a Memory Module Back to Contents Removing the Microprocessor MicroprocessorReplacing the Microprocessor Back to Contents Removing the Microprocessor Cooling Fan Microprocessor Cooling FanReplacing the Microprocessor Cooling Fan Page Removing the Microprocessor Airflow Shroud Microprocessor Airflow ShroudReplacing the Microprocessor Airflow Shroud Rotating the Power Supply Power SupplyRemoving the Power Supply Replacing the Power Supply Removing the System Board System BoardReplacing the System Board Labels System Board ComponentsJumpers Setting DescriptionBack to Contents Back to Contents Replacing the VRM Removing the VRMBack to Contents