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8Loosen the two thumbscrews (1) that secure the system board to the server.

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9Slide the system board toward the back of the server until it is free of the five retaining standoffs (2), then lift the board from the chassis.

10Place the old system board in a static-free bag for storage.

11Insert the new system board into the chassis, aligned with the eight retaining standoffs, then slide the board toward the front of the case so the board is held by the standoffs.

12Tighten the two system board thumbscrews you loosened in Step 8.

13Connect the cables you removed in Step 7

14Replace the heatsink(s) and processor(s) Follow the instructions in “Replacing or adding a processor” on page 41.

15Replace the memory by following the instructions in “Installing memory” on page 31.

16Replace the system fan cage and fan duct by following the instructions in “Replacing system fans” on page 38.

17Reinstall the PCI riser assembly by following the instructions in “Installing and removing PCI expansion cards” on page 34.

18Follow the instructions in “Closing the server case” on page 27.

19Turn on your server, then press F2 when the Gateway logo screen appears during startup. The BIOS Setup utility opens.

20Check BIOS settings to make sure that they detect the server’s new hardware, then save your changes (if any) and close the BIOS Setup utility.

21If your server does not start after installing the new system board, contact Gateway Customer Care. For more information, see “Getting Help” on page 9.

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