Drive problems works externally not internally

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MacBook Pro 15" Unibody Early 2011

Model A1286. Released February 2011 / 2.0, 2.2, or 2.3 GHz Quad-core Intel Core i7 Processor

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It runs a standard 1.5tb hd just fine and I can boot from my ssd in an external case but when I put it into The MacBook Pro it will not boot strange

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Dan @danj Rep: 479,7k Self employed contract worker 35 329 971 · Answer 1 · 2022-12-23T21:01:31-07:00

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Rep: 479,7k

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I would still replace the HD cable as SSDs run harder so a weak cable often shows up under it Vs a HDD.

Did you select it as your boot drive?

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2 commentaires:

Yes I replaced the cable from Amazon and still no luck, but the same SSD will boot fine from a USB enclosure

@Terry Genereaux - Did you check the startup drive within prefs? Also did you install the same OS version your HDD has?