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Also, before you connect a cable, ensure that both connectors are correctly oriented and aligned. CAUTION: To avoid damaging the computer, perform the following steps before you begin working inside the computer. 3. Disconnect all telephone or network cables from the computer. 4. Disconnect your computer and all attached devices from their electrical outlets. 5. Press and hold the power button while the system is unplugged to ground the system board. Back to Contents Page CAUTION: To disconnect a network cable, first unplug the cable from your computer and then unplug the cable from the network device. CAUTION: Before touching anything inside your computer, ground yourself by touching an unpainted metal surface, such as the metal at the back of the computer. While you work, periodically touch an unpainted metal surface to dissipate static electricity, which could harm internal components. Back to Contents Page Replacing a PCI Express Card Dell Studio XPS™ 435MT Service Manual Removing a PCI Express Card Installing a PCI Express Card Replacing the Card Retention Bracket Configuring Your Computer After Removing or Installing a PCI Express Card Removing a PCI Express Card 1. Uninstall the PCI Express card's driver and software from the operating system. For more information, see the Setup Guide. 2. Follow the procedures in Before You Begin. 3. Remove the computer cover (see Replacing the Computer Cover). 4. Remove the screw that secures the card retention bracket. 5. Lift the card retention bracket and set it aside in a secure place. 6. If applicable, disconnect any cables connected to the card. 7. Press the securing tab, grasp the card by its top corners, and then ease it out of its connector. 8. If you are replacing an existing card, go to step 6 of Installing a PCI Express Card. WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at 1 card retention bracket 2 filler bracket 1 PCI Express x16 card 2 securing tab 3 PCI Express x1 card 4 PCI Express x1 card slot 5 PCI Express x16 card slot CAUTION: Installing filler brackets over empty card-slot openings is necessary to maintain FCC certification of the computer. The brackets also keep dust and dirt out of your computer. 9. Install a filler bracket in the empty card-slot opening. 10. Replace the card retention bracket (see Replacing the Card Retention Bracket). 11. Replace the computer cover (see Replacing the Computer Cover). 12. Connect the computer and devices to electrical outlets, and then turn them on. 13. To complete the removal procedure, see Configuring Your Computer After Removing or Installing a PCI Express Card. Installing a PCI Express Card 1. Follow the procedures in Before You Begin. 2. Remove the computer cover (see Replacing the Computer Cover). 3. Remove the screw that secures the card retention bracket. 4. Lift the card retention bracket and set it aside in a secure place. 5. Remove the filler bracket to create a card-slot opening. 6. Prepare the card for installation. See the documentation that came with the card for information on configuring, customizing, and making internal connections on the card. 7. Align the card with the connector. 8. Place the card in the connector and press down firmly. Ensure that the card is fully seated in the slot. 9. Replace the card retention bracket (see Replacing the Card Retention Bracket). 10. Connect any cables that should be attached to the card. See the documentation for the card for information about the card's cable connections. 11. Replace the computer cover (see Replacing the Computer Cover). NOTE: If you are installing a PCI Express card into the x16 connector, ensure that the securing slot is aligned with the securing tab. 1 alignment bar 2 fully-seated card 3 not fully-seated card 4 alignment guide 5 bracket within slot 6 bracket caught outside of slot CAUTION: 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. 12. Connect the computer and devices to electrical outlets, and then turn them on. 13. To complete the installation, see Configuring Your Computer After Removing or Installing a PCI Express Card. Replacing the Card Retention Bracket Replace the screw on the card retention bracket ensuring that: l The notch in the top of the card or filler bracket fits around the alignment guide. l The tops of all cards and filler brackets are flush with the alignment bar. l The guide clamps are aligned with the guide notches. Configuring Your Computer After Removing or Installing a PCI Express Card Back to Contents Page 1 alignment guide 2 filler bracket 3 alignment bar 4 card retention bracket 5 guide clamps (2) 6 guide notches (2) NOTE: For information on location of connectors, see the Setup Guide. For informati...