9. Before you replace and lower the card retention mechanism, ensure that:l The tops of all cards and filler brackets are flush with the alignment bar.l The notch in the top of the card or filler bracket fits around the alignment guide.10. Gently press down on the card retention mechanism to secure the adapter bracket in place.11. Close the card retention latch and gently press until it clicks into place.12. Connect any cables that should be attached to the card.See the documentation for the card for information about the card's cable connections.13. Replace the computer cover.14. If you installed a sound card:a. Enter system setup, select Audio Controller, and change the setting to Off.b. Connect external audio devices to the sound card's connectors. Do not connect external audio devices to the microphone, speaker/headphone,or line-in connectors on the back panel of the computer.15. If you installed an network adapter card and want to turn off the integrated network adapter:a. Enter system setup, select Network Controller, and change the setting to Off.b. Connect the network cable to the network adapter card's connectors. Do not connect the network cable to the integrated network connector onthe back panel of the computer.16. Install any drivers required for the card as described in the card documentation.Removing a PCI Express Card1. Follow the procedures in "Before You Begin."1 card fully seated2 card not fully seated3 bracket within slot4 bracket caught outside of slotNOTICE: Do not route card cables over or behind the cards. Cables routed over the cards can prevent the computer cover from closing properly orcause damage to the equipment.NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.
