Apple HD 4870 warranty Checklist for handling card

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4Press button on PCIe fan.

5Move fan to left, which releases retention bar.

6Disconnect card’s cables from backplane board.

7Holding card by top corners, pull it up out of slot and remove card from computer.

Note: If card is held in place by retention bar, complete steps 4 and 5. Otherwise, release small locking clip at front of card’s connector by pushing clip up. Then go to step 6.

Checklist for handling card:

When removing or installing card, handle it only by the edges. Do not touch its connectors or any components.

Don’t rock card from side to side; instead, lift card straight up from connecotr to remove it, and press card straight into slot to install it.

Don’t force card. If you meet a lot of resistance, pull card out. Check connector and slot for damage or obstructions, then try inserting card again.

Pull card gently to see if it is properly connected. If it resists and stays in place and its gold connectors are barely visible, card is connected.

© 2009 Apple Inc. All rights reserved.

073-1250 Rev. A   3

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Contents Unplug power cord First StepsOpening Computer Remove bracket from enclosure Required ToolPhillips #1 screwdriver Locate cardChecklist for handling card Disconnect cable from card Re-install card in slotClosing Computer Replace access panel Apple Inc Apple Inc. All rights reserved Apple Inc. All rights reserved 073-1250 Rev. a