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I have replaced my internal 1 TB with a 1 TB Samsung 850 Evo SSD.
The SSD is formatted to OSx.
When I try to boot all there happens is that the computer repeatedly beeps in a rather dark tone.
What have I done wrong? Is it over and out with the computer 🙂?
Reinholt
iMac, macOS High Sierra (10.13.1), 27", late 2009
Do any of these sound like the tone? About Mac startup tones - Apple Support
I usually recommend placing the new drive in an external enclosure or dock and partitioning it using the GUID scheme, formatting it using Mac OS Extended Journaled, installing Mac OS THEN installing it in the computer. More detail with the steps you followed to this point would be helpful.
For what ever reason, the Samsung 850 series of SSDs
have been problematic on various Macs and MacBook Pros.
Some seem to work without a hitch and other systems simply
cannot get these models working.
Many will point to OWC drives as a solution, and they are tested
extensively to verify that the work with Macs. However, there are
many other "mainline" solutions that will work just fine.
iMac 27", late 2009, replacement of 1 TB HDD with 1 TB SSD
