1card retention device

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NOTICE: To connect a network cable, first plug the cable into the network port or device and then plug the cable into the computer.

13. Replace the computer cover (see Replacing the Computer Cover), reconnect the computer and devices to electrical outlets, and then turn them on.

Installing PCI Express Graphics Cards in a Dual Configuration

NOTE: To upgrade to or downgrade from a dual-graphics configuration, you will need additional parts that can be ordered from Dell. See Contacting Dell.

This section regards dual configurations of PCI Express graphics cards only. For installation of any other type of PCI or PCI Express cards, see Installing an Expansion Card.

One PCI card slot and two PCI Express x8 (wired as x4) card slots are not available for use if a graphics riser card is installed for the dual-graphics configuration. Instead, an additional PCI Express x16 slot is available for the second card in the dual-graphics configuration. If you are upgrading from or downgrading to a single graphics to a dual-graphics configuration, you will need additional parts. Contact Dell to obtain optional upgrade or downgrade parts (see Contacting Dell).

See System Board Components to locate the PCI Express x1 card slot. To remove a PCI Express card, see Removing an Expansion Card.

1. Follow the procedures in Before You Begin.

CAUTION: Your computer is heavy (it has an approximate minimum weight of 55 lbs) and can be difficult to maneuver. Seek assistance before attempting to lift, move, or tilt it; this computer requires a two-man lift. Always lift correctly to avoid injury; avoid bending over while lifting. See your Product Information Guide for other important safety information.

CAUTION: The computer stand should be installed at all times to ensure maximum system stability. Failure to install the stand could result in the computer tipping over, potentially resulting in bodily injury or damage to the computer.

2. Remove the computer cover (see Removing the Computer Cover).

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Dell 690 manual