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820-3662 - No post
- Thread starter rvanpruissen
- Start date
rvanpruissen
Member
Sorry, forgot to mention this. Tried the following yesterday:
* Donor BIOS from 2013 board
* Reprogrammed the original with new 2014 bios.
Both produced no difference.
* Donor BIOS from 2013 board
* Reprogrammed the original with new 2014 bios.
Both produced no difference.
How did happen?
Previous random shutdown, or other weird issue reported?
Previous random shutdown, or other weird issue reported?
rvanpruissen
Member
According to the customer, he closed the MacBook one night and it would not boot anymore the next day. No mention of previous problems.
These boards are known for CPU power supply issue.
You get VCORE now, but CPU could get damaged by wrong job of one FDMF6808 in time.
You can try to change them with FDMF6708, but will not help in case of internal CPU damage...
You get VCORE now, but CPU could get damaged by wrong job of one FDMF6808 in time.
You can try to change them with FDMF6708, but will not help in case of internal CPU damage...