![]() In case of 10.11 El Capitan, you need to boot your machine to recovery with cmd+ R before the boing. Screw the bottom plate back on (7 small screws, 3 long screws)ĭone? Yes!… No!… The hardware is done, the software is not.Connect the antenna cables (damn these connectors are small! Please be careful!.Connect the PCIe cable to the logic board.Flip it over and slide it back in place in the body.Screw the unit in place (3 tiny screws).Make sure the PCIe cable is attached properly.If not CAX, then you won’t get Handoff or Instant Hotspot and this exercise is useless. ( I got mine here) And yes, the CAX is important. For Handoff in this model you’ll need a BCM94331PCIEBT4CAX. Alternatively, undo the tape on the other side as well… Remove the card (this is tricky because the PCI-e cable is still attached, but it will come loose if you gently rock the card a bit.Undo the 3 tiny screws that hold the Airport Card to the Assembly.Save it, because it needs to go back on! (Best not to remove it entirely, just undo 3 sides and leave the 4th side attached. Flip it over, and very gently remove the tape.You should now be able to remove the assembly by sliding it out – this way you don’t need to disconnect the USB cable.If you think you’re being careful be twice as careful!) (Really, be very very careful with these, they are super thin and therefore very fragile. Very carefully remove the Antenna cables and the USB cable (that’s the small cable with the tiny connector) from the Assembly.The other site is taped, leave that in tact. Disconnect the PCIe cable (the flat one that runs across the Optical Bay) from the logic board.Remove the two screws that hold the assembly to the body (1 small screw, 1 longer).Disconnect the three WiFi antenna wires and the bluetooth antenna wire.Remove the bottom plate of the machine (7 small screws, 3 long screws).I do NOT take any responsibility if you screw it up!) PLEASE DO NOT DO THIS UNLESS EXPERIENCED IN HANDLING DELICATE EQUIPMENT. perhaps not the best or fastest way but it works. This is all speculation, but the tape looks and feels special, so be sure to be careful removing it (partly) and resealing it after replacing the module.Īnother pic I found on the web shows the location of this unit Image of Airport Card Assembly in A1297 Late 2011 body My guess is that the signal should go out the wires, and not directly into the machine. ![]() ![]() This unit is sealed with a special tape that blocks radio signals – I suppose. (No, unfortunately I did not snap some pics myself… stupid me.) Image of A1297 Late 2011 Airport Card Assembly This module is housed in the ‘Airport Card Assembly’ for which I also found a pic on the web. Here’s a pic Image of WiFi-BT-module on A1297 late 2011 The Late 2011 version has a single board for both WiFi and Bluetooth. The Bluetooth and WiFi boards on the 2010 model are 2 separate units One is near the optical drive, the other is inside the display-hinge-assembly (yes, the black bar that’s attached to the base of the display! Weird choice of placement!) and consequently the cables are all different to these components. You can still learn about DIY hardware replacements on that fantastic website though. IFixit has a great tutorial on replacing the board, but as said the pics don’t match, the parts are different. Now I don’t know if this happend to other series as well, but I do know that the Mid 2010 model is substantially different in hardware design. Let me remind you, this is for the A1297 Late ’11. Apple did something funny with this ‘the last 17″ ever made’ series it shares it’s model number with it’s predecessors, the A12 and the A1297 Early 2011. Shell command sudo nvram boot-args=kext-dev-mode=1.Īlthough my search for all the parts of the puzzle did not go smoothly or in the order you’ll find the instructions below, this is the solution that eventually made it happen
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