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I just tried to use internal display for my egpu but its not working under windows 10... Only if I disable the iris pro it works? And only for a select games

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The new nvidia driver fixes optimus for win10 apparantly

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Using win10, thats your problem, only win8.1 works internal for egpu for now

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This SLI exist

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Sure that there is no power issue with the barrel connector?

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I removed the iris pro 5200 driver and installed Microsoft basic display driver, gone system interrupts for now and only powering display through egpu, suggestion to hybernate only worked once, than afterwards bluescreens at login after hybernate so no solution/workaround.

Has anyone tried the new Nvidia 358.87 drivers?

They added this feature in Win10:

Tested but not working for internal screen unfortunately

https://discussions.apple.com/thread/6598184 please send feedback to Apple to solve this

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It is

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Yo guys, do you also have that graphics driver iris pro under windows taking up system resources?

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Anyone tried windows 8.1 drivers under windows 10? Seems to fix optimus issues? (Unconfirmed)

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15" Late 2011 Macbook Pro with 2.4 GHz i7,

Upgraded the RAM to 16GB,

Removed Optical Drive, replaced with original HDD and put a SSD in the main drive slot.

I'm thinking my RAM upgrade might be part of the problem, and the age of the laptop might be the other part of the problem.

http://lg.io/2013/07/28/gtx-570-egpu-on-a-2013-11-macbook-air.html

Diy egpu setup software may be required

http://egpu.maeth.net/faq.htm#f4

Check article for error 12

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What model do you have?

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I have a question, my egpu is coming from bizon-tech, same as the other guy here. when I boot my akitio 2 chassis with dell power supply to windows 8.1 bootcamp at random I don't get display on the internal screen and when I reboot and I am able to get display I see my GTX 970 giving in device manager a code43, however after uninstalling and reinstalling the nvidia driver it sometimes works again... I have a late 2013 15 macbook with iris pro only. I hate the lack of feedback from bizon with their so called fast response... I don't know if it's the graphics card being broken or just that it is too experimental to use as egpu.

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some of my more recent posts were removed, I assume because It was thought I was trying to game the system for more posts. I am still having trouble getting my eGPU working on the windows side of things. After successfully installing drivers on win7 and getting the dreaded error 12. I upgraded to win10. I now get one of 3 outcomes when I attempt to boot into windows with the eGPU connected, depending on the timing.

1. Boot succesful without eGPU deteceted.

2. Screen goes black, No boot occurs.

3. Freeze at partition selection screen.

I do however have the eGPU fully functional in OSX. Has anyone ever had any success with using Parallels with their eGPU to game in windows? To be honest Im not trying to get incredible performance out of it, I just want to be able to play a few steam games without my MBP overheating and shutting down.

Does anyone have any further advice?

check your cables at the front side where you plug in the dell psu, check if all cables from the inside are correctly attached, I had a ground cable loose causing me alot of trouble :-(

I have a question, my egpu is coming from bizon-tech, same as the other guy here. when I boot my akitio 2 chassis with dell power supply to windows 8.1 bootcamp at random I don't get display on the internal screen and when I reboot and I am able to get display I see my GTX 970 giving in device manager a code43, however after uninstalling and reinstalling the nvidia driver it sometimes works again... I have a late 2013 15 macbook with iris pro only. I hate the lack of feedback from bizon with their so called fast response... I don't know if it's the graphics card being broken or just that it is too experimental to use as egpu.