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No QE/CI with AMD Radeon HD 5470m on Yosemite

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Sep 27, 2012
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Motherboard
Dell Inspiron 15r - N5010
CPU
Intel Core i3 - 350M
Graphics
ATI Radeon 5470M (512 MB) / 1366x768
Mac
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Classic Mac
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Mobile Phone
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Hi everyone

I have Yosemite running on my Inspiron n5010. Everything is running fine except the graphics card. In earlier versions of OSX I had to force EDID of my display to make the graphics work. Then it worked perfectly with the native graphics kexts. This time around this trick didn't work. I couldn't get my laptop to boot with GraphicsEnabler=Yes, it got stuck on a black screen.

After that I tried installing the kexts from Mavericks that worked for me. Now the system boots with GE=Yes and I get correct resolution but no QE/CI.

I am attaching the snapshots of the kexts that are getting loaded and the Graphics tab from System Report.
Screen Shot 2014-11-14 at 5.47.38 am.png
Screen Shot 2014-11-14 at 5.45.47 am.png

Please suggest a way to get this working. Any help will be appreciated. :crazy:

EDIT: I solved it myself.
 
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