Macbook pro 1502 EMC 2835 braked after firmware


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7 years 2 days ago - 7 years 2 days ago #6929 by skynet
hello all , please help me ,i have Macbook pro 1502 EMC 2835 ,was blocked ,after i write no password Dump , now work very slow OS .Help which system to install. or please unlock anybody . This old dump with password
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Last edit: 7 years 2 days ago by skynet.

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7 years 2 days ago #6930 by cyber16
Try this, Be sure to Zap/Clear NvRam a few times upon first boot

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File Name: 820-4924-aCLEAN.zip
File Size:4,366 KB
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7 years 2 days ago #6931 by skynet
I write you dump, but I do not know which system to run, I download via wifi and the download goes for a very long time, do not know why or what to advise.
Native system is locked with a password there is some way to reset the password ?

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7 years 2 days ago - 7 years 2 days ago #6933 by cyber16
Erase Hard drive & fresh install MacOS

Press & hold OPTIONS key right after power on
If you see a recovery drive boot to that. Then use the disk tools to erase main drive.
Then install fresh MacOS
Last edit: 7 years 2 days ago by cyber16.

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7 years 1 day ago #6936 by skynet
Thanks , ok i try this method tomorrow

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6 years 11 months ago #6953 by skynet
Thanks, everything turned out to be correct firmware

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6 years 11 months ago #6954 by cyber16
Glad everything worked for you :)

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