Recent content by xenoshroud

@P1LGRIM I would love to link to another forum that really spells out the details on how to do this, but after reading the forum rules, am unsure whether or not this is allowed. I have very few posts so although i joined over a year ago i still consider myself a forum n00b. Please let me know...

Haven't been around lately as I've been busy at work. To answer your question - yes it did. I am currently posting using the computer that was previously bricked. If you are still looking to repair these machines, please send me a PM and I can forward you the information that you'll need to...

@bnd555 I wouldnt say that your EFI chip is bricked, it just needs to be reprogrammed. Since my original post, i thought it be best to try and not use Method 1. I was able to reprogram my original EFI chip without desoldering it from the logic board. I reflashed the chip with my original...

@bnd555 - i did the same thing to my MBP (in a feeble attempt to get HDMI audio working on an eGPU setup). What I can tell you from my experience is that you corrupted your EEPROM firmware chip. There are a couple ways for you to restore the ability to boot into macOS. Method 1 - at ~$85 USD...