l If you are removing the card permanently, install a filler bracket in the empty card-slot opening.7. Replace the card retention bracket, ensuring that:l The guide clamp is aligned with the guide notch.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.8. Fix the card retention bracket by replacing and tightening the screw.9. Replace the computer cover.10. Reconnect the computer and devices to electrical outlets, and then turn them on.11. Remove the card's driver from the operating system.12. If you removed a sound card:a. Enter system setup (see Entering System Setup), go to Onboard Devices and select Integrated Audio, and then change the setting to On.b. Connect external audio devices to the audio connectors on the back panel of the computer (see Back Panel Connectors).13. If you removed an add-in network connector:a. Enter system setup (see Entering System Setup), go to Onboard Devices and select Integrated NIC, and then change the setting to On.b. Connect the network cable to the integrated connector on the back panel of the computer (see Back Panel Connectors).BezelRemoving the Bezel1. Follow the procedures in Before You Begin.2. Remove the computer cover (see Removing the Computer Cover).NOTE: Installing filler brackets over empty card-slot openings is necessary to maintain FCC certification of the computer. The brackets also keepdust and dirt out of your computer.NOTICE: To connect a network cable, first plug the cable into the network device and then plug it into the computer.CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.CAUTION: To guard against electrical shock, laceration by moving fan blades, or other unexpected injuries, always unplug your computer fromthe electrical outlet before removing the cover.1 bezel clamps (3) 2 clamp release tab3 bezel