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OS X Mountain Lion Install Guide for Dell XPS 17 L702x Optimus

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#901
styrian

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@styrian - Which kext are you using. It should work without you losing sound. Refer to this post: http://www.insanelym...imus/?p=2009722

for Clover 10.9.2.

 

@romturk - Maybe you can switch to Clover. I'm exclusively clover now. But if you can't I can try to get you an updated kext for Chameleon.

Hello!

 

Thank you very much for your great guide and for sharing your experience and developments with the community.

 

I am using on 10 8.5 the by you provided patched AppleHDA.kext here from Downloads and I dont want to use with clover a second config.plist to be able to boot ML with caches and working sound.

 

Because of the for 10 9.2  by Clover on the fly done bin patch of AppleHDA, to have working sound, the cached AppleHDA.kext of ML is infected because of the not before by you done rename patch in the binaries xml.zlib to aml.zlib and therefore looking for not existing aml.files in it´s Resources, if loaded from the cache. The rest of the on the fly by Clover done patch is either because of allready done or not found in the biniaries without any effect ignored.

 

In any case sound with the by me offered solution is working (booting by ignoring the caches resulting in loading the xml.files and with caches loading the aml.files)

 

I hope, my offered solution for solving this problem is in your sence and could be easy done by everyone without bigger changes.

 

Have fun.



#902
Lucznik

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why dont none of u use 10.9.4 ??



#903
styrian

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Hello!

 

I know, it is a bit off topic here, but a short remark for updating the L702x 3D to 10 9.3 or 10 9.4 assuming you have followed the Clover guide of Webcivilian and use a SMBios based on MBP 8,3:

 

Please do it only as ever on a Hack with a from Apple downloaded Comboupdate. Run the update, but before reboot do the following with the subsequent named and to your desktop S/L/E copied kext:

 

 

All credits go to PikeRalpha for the info.

 

You have to add your system board ID from SMBios MBP 8,3 in the info.plist of  AppleGraphicsControl.Kext/Contents/Plugings/AppleGraphicsDeviicePolicy.kext/Contents/Info.plist as last line of the Configmap with the other models in this way:

 

                 <key>Mac-942459F5819B171B</key>             
                <string>none</string>

 

 

After editing the info.plist and installing it back with your preffered kextutility to S/L/E and repairing permissions and afterwards rebooting by ignoring caches, everything should be fine again. If you have missed something, you can correct errors by setting in Clover the following key in arguments under options: nv_disable=1 and booting by ignoring caches.

 

Apple has something changed in the Nvidia gfx management.

Because of the used personality with AMD gfx the above edit is needed for the 3D variant to avoid the blackscreen issue at boot.

 

For all variants of the L702x: Sound is broken after update to 10 9.3 or 10 9.4. The working solution should be to copy over the updated AppleHDA.kext from S/L/E to desktop and add in it´s Resources folder the layout88.aml.zlib and platform.aml.zlib files from the for 10 9.2 by Webcivilian patched kext. After installing the AppleHDA.kext back with reparing permissions and a first reboot by ignoring caches and a second one with caches, sound should start after about 30 seconds.

 

If this is not working for you, just install back the patched AppleHDA.kext from 10 9.2.

 

I have found no other issues. It seems, that the update is safe.

 

Have fun.



#904
Lucznik

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please help me !!! reply my pm



#905
webcivilian

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@styrain - I update directly from the App store and everything works. The sound works with editing any AppleHDA kext file. Combo update overwrites where as App store update only changes the delta.



#906
Lucznik

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can u guys tell what method u used obtaining a bootable pen first ?



#907
styrian

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Hello!

 

@ Webcivilian!

 

Sorry for the ApplHDA issue. I have started with switching over to clover with a fresh 10 9.3 install and had therefore to add manually the aml files to the Resources folder. Is for sure working in the way you have done it thanks.

 

I have a work in progress to make the L702x 3D variant fully working with native recognized AppleBacklightDisplay. If I can get it stable working and there is a common interest of active participating members here, I will upload them. (By the way, begging me by PM does not make me sharing my partial advancements by PM with a single member - If I do that, I sare them with all members of the community)

 

In any case the Appstoresoftwareupdate is not safe for the 3D variant, ending after update with a black screen, caused by changes in the Nvidia gfx management. I personally prefer updating systemversions by downloading the comboupdates, run them and before rebooting digging around in S/L/E looking for updated versions of important kexts. In this way I have never got a not revertable messup on all my devices starting with 10 6.0.

 

@Luznik

If you can not get  your 3d variant installed with the guide of Webcivilian, because of not dedected sources for the device in db (Look after a minute or so in the installprotocol for errors), you have to follow this guide  starting at choice 2: http://www.insanelym...tosh/?p=2019599

 

This is the last post in this thread, that I have done for things only concerning the 3D variant of the L702x, because  I want to keep the thread on topic.

 

Have fun.



#908
Lucznik

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can you plzanswer my pm then ? 



#909
Lucznik

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10.10 ROCKS ON OUR MACHINES !!!


and rulez it !!



#910
Lucznik

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Do u have it??





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