27" display with 2560 x 1440 pixels resolution Thunderbolt & MagSafe cable attachments

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When turned off the fans keeps spinning. Is it normal?

The fans are normally very quiet but when i turn off the computer the fans of the thunderbolt display first starts spinning very fast and after 5 seconds keeps spinning not so fast but keeps running until I power on my computer again. Is it normal?

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ya it normal.

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Like Colonel Hogan answered is not normal, and apparently it is a common problem

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Hi,

have you latest Thunderbolt Firmware installed ? Check Mac Software updates. There was an update adressing fan related issues.

Update (01.10.2016)

So, now i found this about the problem.

Seems to be an apple known problem.

https://discussions.apple.com/message/16...

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Hi Colonel Hogan,

Thanks in advance for you answer.

Yes, i've already checked the updates. It is the last version of the firmware (26.2)

It is not normal right? For the thunderbolt display's fans starts when turned off.

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Have you attached external devices to the TBD ?

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No, all the ports in the TBD are unused.

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Kojiro Nagai will be eternally grateful.
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