Dell YH242 owner manual Release tab

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1 release tab 2 card retention mechanism 3 card retention door

NOTICE: Do not route card cables over or behind the cards. Cables routed over the cards can prevent the computer cover from closing properly or cause damage to the equipment.

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

13Replace the computer cover, reconnect the computer and devices to electrical outlets, and then turn them on.

14If you installed a sound card:

a Enter system setup, select Integrated Audio Controller, and then change the setting to Off.

b Connect external audio devices to the sound card’s connectors. Do not connect external audio devices to the integrated microphone, speaker/headphone, or line-in connectors on the back panel.

15If you installed an add-in network adapter and want to disable the integrated network adapter: a Enter system setup, select Integrated NIC Controller, and then change the setting to Off.

b Connect the network cable to the add-in network adapter’s connectors. Do not connect the network cable to the integrated connector on the back panel.

16Install any drivers required for the card as described in the card documentation.

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Removing and Installing Parts