Dell 340 manual Replacing the Chassis Intrusion Switch, Resetting the Chassis Intrusion Detector

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Replacing the Chassis Intrusion Switch

To replace the chassis intrusion switch, follow the "Removing the Chassis Intrusion Switch" procedures in reverse order.

Resetting the Chassis Intrusion Detector

1.Enter system setup by pressing <F2> during the computer's POST.

For instructions on using system setup, see the User's Guide.

2.Under the System Security tab, reset the Chassis Intrusion option by pressing the left- or right-arrow key to select Reset. Change the setting to Enabled, Enabled-Silent, or Disabled.

NOTE: The default is Enabled-Silent.

NOTE: If a setup password has been assigned by someone else, contact the network administrator for information on resetting the chassis intrusion detector.

3.Press <Alt><B> to restart the computer and implement your changes.

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Contents Before You Begin Installing the Battery Battery Removing the Battery Close the computer cover Small Desktop Computer Small Mini-Tower Computer Chassis Intrusion SwitchRemoving the Chassis Intrusion Switch Resetting the Chassis Intrusion Detector Replacing the Chassis Intrusion SwitchSmall Desktop Computer Mini-Tower Computer Computer CoverOpening the Computer Cover Closing the Computer Cover Back to Contents Removing the Control Panel Control PanelReplacing the Control Panel Floppy-Drive Removal DrivesFloppy-Drive Cable Removal Floppy-Drive Cable Attachment Drive-Rail Bracket Removal and ReplacementFloppy-Drive Installation Drive Rail Bracket Removal and Replacement Removing and Installing a Floppy Drive-Mini-Tower ComputerRemovable Media Cable Removal Removable Media Drive Removal Removable Media Drive InstallationRemovable Media Drive Cable Attachment Drive Bracket Rail Removal and Replacement Close the computer cover Hard-Drive Cable Removal Hard-Drive Shroud and Hard-Drive RemovalHard-Drive Cable Attachment Installing a Hard DriveHard Drive Removal Removing and Installing a Hard Drive-Mini-Tower ComputerHard-Drive Replacement Adding a Second Hard Drive Second Hard Drive Installed Connecting DrivesPower Cable Connector IDE Drive AddressingDrive Interface Connectors IDE Device Installation GuidelinesScsi ID Numbers Scsi Device Installation GuidelinesBack to Contents Protecting Against Electrostatic Discharge Small Desktop Computer Expansion CardsExpansion Card Types Expansion Card Retention Arm-Small Desktop Computer Installing an Expansion CardExpansion Card Connection Expansion Card Installation-Small Desktop ComputerExpansion Card Retention Arm-Mini-Tower Computer Expansion Card Installation-Mini-Tower Computer Removing an Expansion Card Installing an AGP Graphics CardAGP Slot Filler Bracket Removal-Mini-Tower Computer AGP Card InstallationAGP Slot Filler Bracket Removal-Small Desktop Computer Removing an AGP Card Expansion Card Cage Small Desktop Computer Only Expansion-Card Cage ReplacementRemoving the Expansion-Card Cage Replacing the Expansion-Card CageReattaching the Front Door Front Panel Door and Hinge ArmsReattaching the Hinge Arms Front Panel DoorBack to Contents Removing Front-Panel Inserts Front-Panel InsertsReplacing Front-Panel Inserts Inside Your Computer Back to Contents Removing the I/O Panel-Small Desktop Computer PanelRemoving the I/O Panel-Mini-Tower Computer Front I/O Panel RemovalReplacing the I/O Panel Computer Memory Computer Memory Installation GuidelinesMemory Module Label System Board Memory Components Memory ModulesRemoving a Memory Module Removing a Memory ModuleInstalling a Memory Module Installing a Memory ModuleMicroprocessor Heat Sink/Blower Assembly Removal-Small Desktop ComputerRemoving the Microprocessor Airflow Shroud Rotation-Mini-Tower ComputerLatches Retention base Tabs Heat sink Heat Sink Removal-Mini-Tower ComputerMicroprocessor Removal Installing the MicroprocessorMicroprocessor Installation Checking Computer Functions Removing the Power Supply Power SupplyReplacing the Power Supply When Working Inside Your Computer Safety First-For You and Your ComputerSystem Board Components System Board Labels Connector or Component LabelSystem Board Jumpers System-Board Jumper SettingsJumpers Removing the System Board System BoardReplacing the System Board Removing the System BoardBack to Contents Back to Contents