Unable to perform fresh install Macbook Pro MID-2012

hello everybody,

need cause i'm getting mad here!!

mid-2012 mb pro became incredibly slow (for example open picture took 3 minutes more or less) thought damage 500 gb internal drive hard drive (after 6 yeas of usage seems reasonable me).

important documents external drive , bought new seagate 500 gb perform clean installation.

when start mb pro new hard drive installed takes 10 minutes boot in order display restore options page (the 1 disk utility etc..) , when start installation of os bar moves (like pass 17 minutes remaining 15 takes more 20 minutes).

i've tried erase , format new disk twice, , tried install both high sierra , after yosemite, neither 1 working.

after few hours on installing page error saying "installation not performed on computer, please restart".

beside hd, cause of such lost of performance?

thank in advance.

best,

filippo

 

the sata hdd cable notoriously flaky on machines, cheap , easy replace. ssd have transformed computer rather going spinning disk drive, it’s worth cash computer feels new.

https://www.amazon.co.uk/myarmor-re...3&sr=8-1&keywords=macbook+pro+sata+cable+2012

 

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