crwdns2936637:0crwdne2936637:0 crwdns2853008:0crwdne2853008:0 crwdns2861143:0crwdne2861143:0

crwdns2931315:0crwdnd2931315:0crwdne2931315:0

crwdns2862623:0crwdne2862623:0
crwdns2942641:0crwdne2942641:0

crwdns2942213:0crwdne2942213:0

  1. crwdns2935201:0crwdne2935201:0 crwdns2935203:0crwdne2935203:0

    : crwdns2935265:01crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 : crwdns2935265:01crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Use the tip of a spudger to walk the left speaker cable connector out of its socket.

    • It is recommended to first press on one side of the connector, then press on the other side until freed.

    crwdns2913378:0crwdne2913378:0

  2. crwdns2935201:0crwdne2935201:0 crwdns2935203:0crwdne2935203:0

    : crwdns2935265:02crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • De-route the left speaker cable by pulling it straight up out of the retaining clip in the back of the rear enclosure.

    crwdns2913378:0crwdne2913378:0

  3. crwdns2935201:0crwdne2935201:0 crwdns2935203:0crwdne2935203:0

    : crwdns2935265:03crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 : crwdns2935265:03crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • In a similar fashion as the previous step, de-route the combo SATA data/power cable up out of the retaining clip.

    crwdns2913378:0crwdne2913378:0

  4. crwdns2935201:0crwdne2935201:0 crwdns2935203:0crwdne2935203:0

    : crwdns2935265:04crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 : crwdns2935265:04crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 : crwdns2935265:04crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • Use a pair of tweezers to flip up the metal retaining bracket on the iSight camera cable connector.

    • Pull the iSight camera cable straight out of its socket on the logic board.

    • This is a delicate connector that can be easily damaged.

    crwdns2913378:0crwdne2913378:0

  5. crwdns2935201:0crwdne2935201:0 crwdns2935203:0crwdne2935203:0

    : crwdns2935265:05crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 : crwdns2935265:05crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 : crwdns2935265:05crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • If necessary, use the tip of a spudger to peel back the tabs covering the antenna connectors.

    crwdns2913378:0crwdne2913378:0

  7. crwdns2935201:0crwdne2935201:0 crwdns2935203:0crwdne2935203:0

    : crwdns2935265:06crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 : crwdns2935265:06crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 : crwdns2935265:06crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • Use the tip of a spudger to disconnect each of the four antenna connectors from the AirPort/Bluetooth card.

    • Note the original positions for each connector when reconnecting the cables.

    crwdns2913378:0crwdne2913378:0

  8. crwdns2935201:0crwdne2935201:0 crwdns2935203:0crwdne2935203:0

    : crwdns2935265:07crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 : crwdns2935265:07crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 : crwdns2935265:07crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • Use the flat edge of a spudger to pry the headphone jack cable connector from its socket on the logic board.

    • Push the cable slightly to the right.

    crwdns2913378:0crwdne2913378:0

  9. crwdns2935201:0crwdne2935201:0 crwdns2935203:0crwdne2935203:0

    : crwdns2935265:08crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Remove the following screws securing the exhaust duct to the rear enclosure:

    • Two 6.3 mm T8 screws

    • Two 4.7 mm T8 screws

    crwdns2913378:0crwdne2913378:0

  10. crwdns2935201:0crwdne2935201:0 crwdns2935203:0crwdne2935203:0

    : crwdns2935265:09crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Remove the four 7.2 mm T10 screws securing the logic board to the rear enclosure.

    crwdns2913378:0crwdne2913378:0

  11. crwdns2935201:0crwdne2935201:0 crwdns2935203:0crwdne2935203:0

    : crwdns2935265:010crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Use a pair of tweezers to peel the tape covering the exhaust duct.

    crwdns2913378:0crwdne2913378:0

  12. crwdns2935201:0crwdne2935201:0 crwdns2935203:0crwdne2935203:0

    : crwdns2935265:011crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 : crwdns2935265:011crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Tilt the top of the logic board away from the rear enclosure.

    crwdns2913378:0crwdne2913378:0

  13. crwdns2935201:0crwdne2935201:0 crwdns2935203:0crwdne2935203:0

    : crwdns2935265:012crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 : crwdns2935265:012crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Lift the logic board straight up and out of the iMac.

    • Be careful not to snag the board on any of the rear case's screw posts.

    • The I/O inputs at the bottom of the logic board will be the greatest challenge. It is recommended to pull gently to avoid any damage.

    crwdns2913378:0crwdne2913378:0

  14. crwdns2935201:0crwdne2935201:0 crwdns2935203:0crwdne2935203:0

    : crwdns2935265:013crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 : crwdns2935265:013crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • When reinstalling the logic board, check the alignment of the exterior I/O ports. The logic board can sit crooked even when secured with all its screws.

    • Use a USB flash drive and/or ethernet cable to keep the logic board aligned while you screw it in.

    crwdns2913378:0crwdne2913378:0
crwdns2935217:0crwdne2935217:0

crwdns2862417:0crwdne2862417:0

crwdns2935291:0crwdnd2935291:01crwdnd2935291:0crwdne2935291:0

Walter Galan

694,782 crwdns2915208:0crwdne2915208:0

crwdns2935297:01,203crwdne2935297:0

crwdns2918514:0crwdne2918514:0: 54

crwdns2935301:051crwdne2935301:0

crwdns2944067:00crwdne2944067:0

crwdns2917038:0crwdne2917038:0

crwdns2936625:0crwdne2936625:0:

crwdns2936751:024crwdne2936751:0 2

crwdns2936753:07crwdne2936753:0 8

crwdns2936753:030crwdne2936753:0 9

crwdns2942667:0crwdne2942667:0 67