crwdns2933423:0crwdne2933423:0

Backbone One Left Mainboard Replacement

crwdns2942213:0crwdne2942213:0

  1. Backbone One Left Mainboard Replacement, Unfasten the screws: crwdns2935265:01crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Use a Phillips screwdriver to remove the four 5.9 mm-long screws.

  2. Backbone One Left Mainboard Replacement, Rotate the upper cover: crwdns2935265:02crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Backbone One Left Mainboard Replacement, Rotate the upper cover: crwdns2935265:02crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Backbone One Left Mainboard Replacement, Rotate the upper cover: crwdns2935265:02crwdnd2935265:03crwdnd2935265:03crwdne2935265:0
    • Lift up the upper part of the controller.

    • Swing over the upper cover and place it on the controller case.

    • Take care that the interconnecting cable has no tension.

  3. Backbone One Left Mainboard Replacement, Remove the protective tape: crwdns2935265:03crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Backbone One Left Mainboard Replacement, Remove the protective tape: crwdns2935265:03crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Backbone One Left Mainboard Replacement, Remove the protective tape: crwdns2935265:03crwdnd2935265:03crwdnd2935265:03crwdne2935265:0
    crwdns2935267:0crwdne2935267:0
    Tweezers
    $4.99
    • Use a pair of tweezers to remove the yellow protective tape which is placed over the interconnect cable connector.

  4. Backbone One Left Mainboard Replacement, Open the ZIF connector: crwdns2935265:04crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Backbone One Left Mainboard Replacement, Open the ZIF connector: crwdns2935265:04crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
    • Use the tip of an opening pick to open the gray flap of the ZIF connector by pushing it upwards.

  5. Backbone One Left Mainboard Replacement, Disconnect the interconnect cable: crwdns2935265:05crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Backbone One Left Mainboard Replacement, Disconnect the interconnect cable: crwdns2935265:05crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
    • Use your fingers to disconnect the interconnect cable from its connector.

  6. Backbone One Left Mainboard Replacement: crwdns2935265:06crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Backbone One Left Mainboard Replacement: crwdns2935265:06crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
    • Remove the upper half of the left controller assembly.

  7. Backbone One Left Mainboard Replacement, Remove the screw: crwdns2935265:07crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Backbone One Left Mainboard Replacement, Remove the screw: crwdns2935265:07crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
    • Use a Phillips screwdriver to remove the 5.9 mm-long screw which is securing the trigger.

    • The screw is difficult to reach. Insert the screwdriver at an angle of 45 degrees.

  8. Backbone One Left Mainboard Replacement, Remove the trigger: crwdns2935265:08crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Backbone One Left Mainboard Replacement, Remove the trigger: crwdns2935265:08crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
    • Remove the left trigger.

  9. Backbone One Left Mainboard Replacement, Remove the bumper: crwdns2935265:09crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Backbone One Left Mainboard Replacement, Remove the bumper: crwdns2935265:09crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
    • Use your fingers to remove the left bumper.

  10. Backbone One Left Mainboard Replacement, Remove the screws: crwdns2935265:010crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Use a Phillips screwdriver to remove the four 3.9 mm-long screws.

  11. Backbone One Left Mainboard Replacement, Remove the mainboard: crwdns2935265:011crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Backbone One Left Mainboard Replacement, Remove the mainboard: crwdns2935265:011crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
    • Remove the mainboard.

crwdns2915888:0crwdne2915888:0

To reassemble your device, follow these instructions in reverse order.

Take your e-waste to an R2 or e-Stewards certified recycler.

Repair didn’t go as planned? Ask our Answers community for help.

crwdns2935229:02crwdne2935229:0

Adriana Zwink

crwdns2935283:012/18/19crwdne2935283:0

58 011 crwdns2915208:0crwdne2915208:0

crwdns2935297:0167crwdne2935297:0

crwdns2915084:0crwdne2915084:0

iFixit crwdns2935289:0iFixitcrwdne2935289:0

Staff

crwdns2931471:0120crwdne2931471:0

crwdns2935297:020 835crwdne2935297:0

crwdns2947410:01crwdne2947410:0

In my unit, there were two more screws at step (10), in the upper part of the controller, near the trigger. They may have changed the number of screws used in manufacturing at some point.

Mario - crwdns2934203:0crwdne2934203:0

crwdns2917038:0crwdne2917038:0

crwdns2936625:0crwdne2936625:0:

crwdns2936751:024crwdne2936751:0 2

crwdns2936753:07crwdne2936753:0 19

crwdns2936753:030crwdne2936753:0 69

crwdns2942667:0crwdne2942667:0 2,427