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13Remove the ten screws securing the system board to the support tray and remove the board, then place it in an
14Install the replacement system board on the tray using the screws you previously removed.
15Holding the board support tray by the handles, place it in the chassis, right edge first. Arrange the cables carefully to prevent tangling as you install the board and tray assembly.
16Holding the board support tray in place, tighten the retaining thumbscrew on the right edge of the board support tray.
17Replace the system board retaining bracket (if your system is so equipped) and reinstall the retaining bracket thumbscrew.
18Replace the back panel fan (see “Replacing the back panel and drive cage fans” on page 73.)
19Replace any expansion cards that you removed in Step 4 (see “Replacing an expansion card” on page 63.)
20Reconnect all cables on the system board to the correct connectors.
21Return the chassis to an upright position.
22Replace the bezel. (See “Replacing the bezel” on page 28.)
23Close the case. (See “Closing the case” on page 27.)
24Reconnect the power cord, the modem cord, and all other peripherals, then turn on the system.
Replacing the system board | 83 |