Apple M9454LL/A User Manual - Page 67
and if its gold connectors are barely visible, the card is connected.
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4 Align the card's connector with the expansion slot and press until the connector is inserted all the way into the slot. If you're installing a 12-inch card, make sure the card engages the appropriate guide. Reinstall the screw to secure the card in place. Port access opening PCI Express slot If the PCI Express card you are installing is full-length (12 inches), make sure it fits in the appropriate card guide. Press the card gently but firmly until the connector is fully inserted. Â Don't rock the card from side to side; instead, press the card straight into the slot. Â Don't force the card. If you meet a lot of resistance, pull the card out. Check the connector and the slot for damage or obstructions, then try inserting the card again. Â Pull the card gently to see if it is properly connected. If it resists and stays in place, and if its gold connectors are barely visible, the card is connected. 5 Reinsert the port access cover screw and tighten it to hold the card in place. Warning: If you remove a card and don't install a replacement, be sure to place a port access cover over the empty slot to keep foreign objects out of the enclosure. An uncovered slot affects the airflow that cools the internal components and causes damage. 6 Replace the air deflector and side panel, following the directions that begin on page 55. Chapter 4 Working Inside Your Computer 67