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11-30-2018, 14:19 | #1 (permalink) |
No Life Poster Join Date: Aug 2006 Location: Italy
Posts: 1,185
Member: 329458 Status: Offline Thanks Meter: 153 | Anyone that had experience with MAcBook Pro 15" 2011 A1286 EMC 2417? I which state was successfully readed efi bios? I have tried with all states, unsuccessfully |
11-30-2018, 17:06 | #2 (permalink) | |
No Life Poster Join Date: May 2010 Location: Shenzhen, China
Posts: 522
Member: 1300847 Status: Offline Thanks Meter: 547 | Quote:
Dear Sir, First to confirm everything is alright. Give us a picture with the writing on the chip where we can clearly read the markings ( just to make sure its the SPI chip ), Second make sure pin 1 of soic8 clam is aligned with the dot on the chip. and the pins are properly gripping the chip. From your picture, in this case the pin1 seems to be alright, we cannot know about the other 7 contacts. We included this step for our other customers who might read this reply, 3rd: If 1 and 2 are ok, but chip still refuse to comunicate. Make sure Mac is powered off, or in sleep mode. and try again 2. If fail.. then we go the more techy way: un-solder the chip, put clam on it, read content, unlock all locks, click write spi, then solder it back to board. And as an 2.5 step, you can use any SPI chip you have around, even if its not from a mac to check everything is fine, HDBOX will still give you the JEDEC id of the chip even HDBOX does not know that chip. best Regards! HDB Team | |
12-01-2018, 00:28 | #3 (permalink) |
No Life Poster Join Date: Aug 2006 Location: Italy
Posts: 1,185
Member: 329458 Status: Offline Thanks Meter: 153 | Finally i have readed BIOS! Battery and charger connected, macbook off. Cleaned all contacts and works fine. I can send you bios file to search filevault password? |
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