SSD installation, can't install Mac OS High Sierra

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iMac Intel 21.5" EMC 2389

Model A1311 / Mid 2010 / 3.06 & 3.2 GHz Core i3 or 3.6 GHz Core i5 Processor

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alberto @f00tprint

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发帖于: 2020年5月4日

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SSD installation, can't install Mac OS High Sierra

My old 1TB is gone. So ‘ivr bought a 2.5” SSD from CRUCIAL, model CT500MX500SSD1

Crucial’s website ( i did query) said this SSD is compatible with IMAC EMC 2389 ( 21,5 mid 2010)

i’ve partioned itself (MAC OS Journaled), activted it. Via Internet got the start up from APPLE ( High Sierra). the OS being installed but after the reboot, tadaaaa, it ask for disk utlity again a for downloading the OS again. and again and again. A loop.

Have’nt found information if the SSD is SATA 2 compatible. I have bought the sensor from OWC, installed it. I’ve not chnged the sata cable simply i don’t have clue where to procure it (and if needed).

Someone could help. Will appreciate

Albert

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Dan @danj

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Sadly its not compatible in SATA II (3.0 Gb/s) systems. Its a fixed speed SATA III (6.0 Gb/s). Here's the spec sheet: Crucial MX500 2.5" SATA NAND Flash SSD Now look at this spec sheet Samsung 860 EVO SSD note the Interface line: SATA 6 Gbps Interface, compatible with SATA 3 Gbps & 1.5 Gbps interfaces

Unlike the Crucial drive this drive has auto sense technology which allows it to match the systems SATA ports I/O. You’ll need to get another drive. What ever you get make sure the spec sheet lists SATA II (3.0 Gb/s)

Here’s the specs for your system: 21.5” iMac 21.5 3.6 GHz Core i5 (Mid-2010)

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Hi Dan, sorry for bothering u

I've scrupulously followed your feedback. Retruned back the CRUCIAL SSD and got a SAMSUNG EVO 860

Partitioned as MAC OS JOURNAL. and initialised same way.

Ran the INTERNET RECOVERY via Ethernet cable connection .

What i'm getting is a flashing folder with the question mark in the middle as the MAC reboot after the initial 8-10 minutes set-up

What's going wrong here, in your opinion / experience ?

tnx

A.

由 alberto 完成的 2020年5月8日

Here's what the flashing question mark is all about: If your Mac starts up to a question mark

Did you install the correct macOS for this system? High Sierra (10.13.x) is the highest (I recommend sticking with Sierra as High Sierra has to many issues!)

Maybe all you need to do is restart your system and press the Option (⌥) key to get into the Startup Disk Manager to see if your internal drive is even listed, just in case you installed the OS onto the external by mistake.

Reference: https://support.apple.com/en-us/HT201255|Mac startup key combinations]

由 Dan 完成的 2020年5月8日

Well, i don't use neither a CD neither a PENDRIVE cause the iMAC could do by itself (Internet Recovery) and it is Apple that does decide what to install ( i guess based on the S/N of the iMAC). Said that, i'll try to find somewhere SIERRA. The disk is listed because it is showed to me when the system ask me where the MAC OSX just downloaded from APPLE. What i was supposing to be a matter like changing a tire is it in reality like changing all four tires.... we'll see. tnx for your comment

由 alberto 完成的 2020年5月8日

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Hi Dan, sorry for bothering u

I've scrupulously followed your feedback. Retruned back the CRUCIAL SSD and got a SAMSUNG EVO 860

Partitioned as MAC OS JOURNAL. and initialised same way.

Ran the INTERNET RECOVERY via Ethernet cable connection .

What i'm getting is a flashing folder with the question mark in the middle as the MAC reboot after the initial 8-10 minutes set-up

What's going wrong here, in your opinion / experience ?

tnx

A. — alberto
Here's what the flashing question mark is all about: If your Mac starts up to a question mark

Did you install the correct macOS for this system? High Sierra (10.13.x) is the highest (I recommend sticking with Sierra as High Sierra has to many issues!)

Maybe all you need to do is restart your system and press the Option (⌥) key to get into the Startup Disk Manager to see if your internal drive is even listed, just in case you installed the OS onto the external by mistake.

Reference: https://support.apple.com/en-us/HT201255|Mac startup key combinations] — Dan
Well, i don't use neither a CD neither a PENDRIVE cause the iMAC could do by itself (Internet Recovery) and it is Apple that does decide what to install ( i guess based on the S/N of the iMAC). Said that, i'll try to find somewhere SIERRA. The disk is listed because it is showed to me when the system ask me where the MAC OSX just downloaded from APPLE. What i was supposing to be a matter like changing a tire is it in reality like changing all four tires.... we'll see. tnx for your comment — alberto

iMac Intel 21.5" EMC 2389

SSD installation, can't install Mac OS High Sierra

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