Due to the limited amount of drive bays and IDE controllers on this computer, you will not be able to connect all devices at once. Disconnect the power and hard-drive cables from the drive. If you are installing a new floppy drive, remove the drive-panel insert, remove the shoulder screws from the inside of the drive-panel insert and attach the screws to the new drive. If you are installing a new serial port adapter, remove the filler bracket to create an empty card-slot opening. Installing filler brackets over empty card-slot openings is necessary to maintain FCC certification of the computer. Page Dell Diagnostics. Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information Guide.

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When replacing the processor, do not touch any of the pins inside the socket or allow auio objects to fall on the pins in the socket. Page connectors such as printers and keyboards.

Dell ships your computer to you with required drivers already installed—no further installation or configuration is needed. Lower the airflow shroud over the heat sink.

IDE Drive Connector Serial ATA Connector 1 interface connector 2 interface cable 3 colored stripe on IDE cable Most interface connectors are keyed for correct insertion; that is, a notch or a missing pin on one connector matches a tab or a filled-in hole on the other connector. To avoid damage to the drive, dell optiplex gx260 multimedia audio controller not set it on a hard surface.

If necessary, disconnect any cables connected contrkller the adapter.

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Install your operating delo dell optiplex gx260 multimedia audio controller the hard drive. If your computer and attached devices did not automatically turn off when you shut down your computer, turn them off now. Reproduction cojtroller any manner whatsoever without the written permission of Dell Inc.

If you are installing a new serial port adapter, remove the filler bracket to create an empty card-slot opening. Click Hardware and click Device Manager. Page 81 A device that allows your computer to communicate with other computers over analog telephone lines.

Detach the replacement system board from its mounting plate by removing the four mounting screws from the heat-sink retention base. Hz — hertz — A unit of frequency measurement that equals 1 cycle per second. Prepare the card for installation.

Press the spacebar to enable or disable a device enabled devices have a checkmark. Click OK and respond to the installation program prompts to complete the installation. Page 11 This option locks the system password field with the admin password.

Page Dell optiplex gx260 multimedia audio controller you open and close the cover, the chassis intrusion detector, if installed and enabled, causes the following message to appear on the screen at the next computer start-up: Locate the correct slot for the drive and gently insert the drive into the bay, sliding it forward until you hear a click or feel the drive securely installed.

Run the Dell Diagnostics to identify a more serious cause.

There is no match for that Service Tag or product ID. Open the computer cover. Press on the card lever away from the card connector. Before touching anything inside your computer, ground yourself by touching an unpainted metal surface, such as the metal at the back of the computer.


Shut down the computer through the Start menu. This feature, if installed and enabled, detects that the chassis was multimdia and alerts the user. Information in this document is subject to change without notice.

In case your hard drive is damaged or your computer has a virus, ensure that you always have a bootable CD or floppy disk available.

Dell GX280DT – GX280 Desktop Computer User Manual

Connect external audio devices to the audio connectors on the computer back panel. Connect the other end of the network cable to the network adapter connector on the back panel of your computer. Page For instructions, see the documentation that came with controlle operating system.

Close the computer cover, reconnect the computer and devices to electrical outlets, and turn them on. About Your Desktop Computer If your operating system has ACPI enabled, when you press the multimeddia button the computer will perform an operating system shutdown.