Prohibitory sign with a twist

Hello community,

Since a month or two I feel the prohibitive sign with my macbook pro 13-inch mid 2012. Running on El Capitan 10.11.5

It took about a month to start to repair it because I needed it for work so I kept it running until it got so slow that I had to turn it off.

Since then, there are some things that happened;

1 tried everything to reset PRAM and safety boots, but there was no way to boot. I didn't have a recent backup so I took the HARD drive and plugged into a SATA to usb adapter and saved some files and I deleted the system Bootcache.Kext file as Apple advises in one of their sons (link on request). After this he worked again, put the disk HARD back in and everything worked... for a few days.

2 he really slow down again. Again, I had to do about it and I just kept it on socket. Slow to get and had to reload, new prohibitory sign. So I repaired disk permissions again and all that. Nothing works, but very sometimes it start after having tried like 20 times to start. But once again his lag, it says its loading for like a minute, and then it works like a charm for a minute.

3. If last night I deleted everything from the hard drive. He gave a clean install, but he always gave me the prohibitive sign. Even among the boots of the installation (which makes me think its a hardware problem)

4. now comes the twist. If I unscrew the drive of his carrot and the hold or the lay out of the body, its totally fine and it works like a charm. When I put the HARD drive in the body on the hardware side, it is always very good, but when I put the HARD drive on the side of the body (where is located the small power LED light) it freezes and it does not work with bootups. Even if I start the system with the HARD drive out of the body and its all ready, as soon as I put it in it gives me the Rainbow thing mac loading and everything freezes. When I take it back once again, it takes 10 to 15 seconds and it works like a charm again.

What is going on?

Anyone had this before please let me know!

Tim

There was a wave of bad SATA cables in your MacBook. You should consider a replacement.

Tags: Notebooks

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