Model A1312 / Mid 2010 / 3.2 GHz Core i3 or 2.8 & 3.6 GHz Core i5 or 2.93 GHz Core i7, ID iMac11,3

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iMac Intel EMC 2390 Will not boot

I live in a high humidity, high tempature area. Computer was off for a month while we were on vacation. Booted and ran fine for about three hours once I turned it on, but then started running slow. Tried to reboot and get the apple with spinning wheel. Ran utilities and the HD can't be repaired.

Do I need to replace the HD with the same one that is currently in the computer, and if so, how do I know what type it is without taking the computer apart?

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Chosen Solution

There's a wide choice of replacement drive'' types and sizes.

Late 2009 and after introduced models use a proprietary "connector that use the drive's internal temperature sensors" rather than an external sensor like earlier 20-Inch and 24-Inch Aluminum iMac models.

This means that the most straightforward way to upgrade the hard drive is to "replace the drive with another model from the same manufacturer that [OWC or another third-party has] confirmed works properly with this thermal sensor cable". OWC provides a list of compatible drives. Readers have shared reports that taping an external temperature sensor to a hard drive or SSD that does not have an internal sensor will work in these models, but this method could be risky when data is important.

Ensure you get a drive is guaranteed to work (some claim backward compatibility but stall or freeze)'' so you do not occur return fees.

If this Answer is helpful please remember to return and mark it Accepted.

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Thank you for the reply. I bought a hd of the same brand. Hoping it will work.


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Ken Propes will be eternally grateful.
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