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The March 2015 update of Apple's 13" MacBook Pro Retina Display, model A1502, features fifth-generation Intel Core i5 and i7 processors and introduces the Force Touch trackpad.

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Won't recognise SATA harddrives (through docking station)

Hello

I have the MBP Early 2015 Macbook and am puzzled by an issue I've been having recently.

I have a SATA harddrive caddy (TeckNet USB 3.0 Hard Drives Docking Station) that I have used several times in the past.

In fact, I currently use it to connect my old 2011 MBP harddrive to the computer and it works really perfectly.

However, I have recently tried three different SATA drives, and none of them appear in disk utility. I've tried different brands, I've sent back for new ones to make sure they're not duds, and none of them show up.

The docking station obviously works - my old MacHD connects with no issues.

I know the new harddrives might not be formatted the right way (Extended Journaled), but how can I format them the right way if they never show up in Disk Utility?

Any help would be much appreciated.

Thanks!

Answer this question I have this problem too

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FYI - docking station is powered (AC - 12V, 2500mA)

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Most likely you have a power issue here. The systems USB ports may not offer enough to power for the docking station. This is a common issue with 3.5" SATA drives.

See if you can connect it via a powered USB hub (AC power) or if they offer an auxiliary power connection in the dock unit to plug in an AC transformer.

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Hey. Thanks for the response. I should've mentioned, the docking station is powered - AC - 12V, 2500mA. Will add to original comment.

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OK, can you plug in a USB thumb drive into the system port to see if that works.

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USB thumb drive works perfectly. The problem doesn't seem to be the USB port, nor the SATA dock as both work well with the old 2.5" MBP harddrive (http://fengstad.ca/wp-content/uploads/20...). It just doesn't work with a 3.5" harddrives - though it's made to.

Could it be that the dock doesn't function with 3.5"s? Surely it's the same connectors inside? It's a mystery to me. Any advice you can give would be much appreciated!

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Test the docks power unit. I think you find it's not working! I bet if you used a powered USB hub it will work.

If a 2.5" drive works and not a 3.5" the issue is power. The reason it works in the other system is the USB port offers more power than this system does.

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I've replaces the docking station and it now works! I guess the old one had enough power for a 2.5", but not enough for 3.5" (even though advertised). Thanks for your help!

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