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The app doesn't work on iMac Pro under Windows #32

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kleuter opened this Issue Feb 17, 2018 · 13 comments

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kleuter commented Feb 17, 2018

Sad news, looks like Apple changed something, we don't currently know how to access SMC under Windows on the new iMacPro. Maybe it's not possible at all if they blocked it.
The current version (1.4.10) don't to start on this iMac on Windows with a special message.
macOS version still works fine.

@kleuter kleuter added the help wanted label Feb 17, 2018

@kleuter kleuter changed the title from iMacPro under Windows in Boot Camp to The app doesn't work on iMac Pro under Windows Mar 5, 2018

@kleuter kleuter added the iMacPro1.1 label Mar 5, 2018

@EthanWang706

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EthanWang706 commented Mar 15, 2018

Yes, it's fan speed is very different in Windows. I can help you on testing this, I have iMac Pro, and I have installed Windows

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kleuter commented Mar 15, 2018

I had iMac Pro for a week, tried a lot, no luck 😢

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EthanWang706 commented Mar 16, 2018

Maybe it's because the new security processor? or the power controller?

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EthanWang706 commented Mar 16, 2018

Anyway, the first thing is that if you open Macs Fan control in Windows, it will first say that it is not available on iMac Pro, I an thinking that if we can get the fan speed read first, then it's easier to fix this problem.

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Carl37 commented Mar 31, 2018

Hi again, Kleuter.
Did you try to disable the security function of the T2 chip, before attempting to access the SMC?
Ie. starting iMac Pro, press command+R, and enter "no security" in Startup Security Utility?
The T2-chip could be stopping you from getting Macs Fan Control to work properly in Bootcamp on iMac Pro. Just a guess, but it seems a likely cause.
Detailed instructions can be found here: http://www.idownloadblog.com/2018/01/09/how-to-imac-pro-secure-boot/

PS: I wanted to try your Bootcamp beta version again (after disabling the T2 security function), but the file was removed. When I tried your betas in Bootcamp, the T2 chip was set at "Full security". Could have been an issue...

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kleuter commented Apr 15, 2018

@Carl37

sorry for getting back in touch so late. Unfortunately I no longer have this machine. Can you try this yourself?

Please disable T2, then just run the app using /skipcheck command line parameter

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Carl37 commented Apr 16, 2018

Hi,

Unfortunately, the program finds no sensors or fans, the window is completely blank. :( It was worth a try, anyways.

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kleuter commented Apr 17, 2018

@Carl37 thanks for the info 😞

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Carl37 commented May 10, 2018

Apple just released a Bootcamp update for iMac Pro. The update fixed issues with Ethernet and graphics, I wonder if also the SMC issue has been improved. Worth checking out.

EDIT: I just tried your latest beta version for iMac Pro after the Bootcamp update, and it looked the same as before (empty, program finds no temperature sensors or fans).

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kleuter commented May 14, 2018

Thank you for the update, @Carl37 😢

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kleuter commented Jul 23, 2018

#80

@kleuter kleuter closed this Jul 23, 2018

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swheat89 commented Oct 13, 2018

Any update on this?
I’m thinking I might need to build a new windows system just because I can’t use a 3D program I need to start using (GPU intensive) on bootcamp because my temps go up to 100 degrees Celsius without being able to control the fan speed. Would be a shame to have to do this just because a fan controller doesn’t exist!

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