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E6220 VGA give grey screen


Bigryangames
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After installing Sierra using Herves guide I had a fully working install. After updating to 10.12.6, the VGA port works but only outputs a grey screen. I have tried installing Sierra straight to the latest version, but get the same result. The screen is recognised, but not working. I have used the modified kext.

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'just verified VGA output on my E6220 under Sierra 10.12.6 and all is Ok.

IMG_0244.JPG Built-in_LCD.png

VGA_display.png

 

Personally, I patch the vanilla SNB framebuffer kext as described in post #5 of my E6220 guide, increase the patched kext's version by adding a leading 9 (e.g.: 910.2.37) and place it in /L/E. Once permissions are repaired, this patched kext always takes precedence over the vanilla version left untouched in /S/L/E and the cache is rebuilt using that patched version. It's sustainable to OS updates.

Patched_10.12.6_AppleIntelSNBGraphicsFB.kext_v910.2.37.zip

 

I invite you to do the same. Avoid mistakes such as using Yosemite 10.10.5 patched SNB Framebuffer kext in Sierra 10.12.6.

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