jaysen Posted June 9, 2009 Share Posted June 9, 2009 I'm running the following specs; Intel E8500 Asus P5Q Pro 4GB Corsair XMS Sapphire 4850 512MB I did a clean install using the OS X Retail DVD 10.5.5 9E25... Before installing any Kext i was able to get video at 1024x768 w/ no problems. I updated 10.5.5 > 10.5.6 > 10.5.7 - Up until the 10.5.7 update video was outputting just fine at the above resolution. Now, all I get is a Gray screen with white/black snow looking artifacts. Any help would be appreciated. Link to comment Share on other sites More sharing options...
davidcmc Posted June 10, 2009 Share Posted June 10, 2009 I'm running the following specs; Intel E8500 Asus P5Q Pro 4GB Corsair XMS Sapphire 4850 512MB I did a clean install using the OS X Retail DVD 10.5.5 9E25... Before installing any Kext i was able to get video at 1024x768 w/ no problems. I updated 10.5.5 > 10.5.6 > 10.5.7 - Up until the 10.5.7 update video was outputting just fine at the above resolution. Now, all I get is a Gray screen with white/black snow looking artifacts. Any help would be appreciated. Same here. I think you have to install the 4850 kexts before rebooting the system (after installing 10.5.7 update). If you've forgot to install them, just boot in safe mode (type -x in darwin prompt) and install them. Link to comment Share on other sites More sharing options...
jaysen Posted June 10, 2009 Author Share Posted June 10, 2009 Same here. I think you have to install the 4850 kexts before rebooting the system (after installing 10.5.7 update). If you've forgot to install them, just boot in safe mode (type -x in darwin prompt) and install them. Forgive the noob question(s); Do I burn the Kext to CD ?... Oh, and which Kext should I be using... I've seen/read the many tutorials however I am new to this whole Mac/OSX86 scene so a little guidance would be much appreciated... Link to comment Share on other sites More sharing options...
davidcmc Posted June 11, 2009 Share Posted June 11, 2009 Forgive the noob question(s); Do I burn the Kext to CD ?... Oh, and which Kext should I be using... I've seen/read the many tutorials however I am new to this whole Mac/OSX86 scene so a little guidance would be much appreciated... If you can't boot Leopard properly, boot it in safe mode (type -x in darwin prompt) and download this installation package: http://rapidshare.de/files/47140358/Natit.pkg.html The link was taken from this page: http://netkas.org/ Install that package that you have downloaded and reboot. I think it will work now. Link to comment Share on other sites More sharing options...
jaysen Posted June 11, 2009 Author Share Posted June 11, 2009 Ok, so I tried your advice and ended up having to reinstall 10.5.6 Retail... Which I didn't care. So as of now, I am at a Clean Retail OSX install (10.5.6) with no updates - I've downloaded the natit.pkg you suggested. Double clicked on the package and it said installed. However I am only still able to get 1024x768 resolution... By installing this package was it suppose to allow me change resolutions and offer full support for my 4850 ? Again, sorry for the noob question and your help is much appreciated. Link to comment Share on other sites More sharing options...
airfly99 Posted June 22, 2009 Share Posted June 22, 2009 O,i have the same problem here.... How i wish someone could solve this problem as quick as possible,so that i can use Photoshop in Mac system...... Link to comment Share on other sites More sharing options...
@ROBASEFR Posted June 24, 2009 Share Posted June 24, 2009 Try all de Pkg's on http://netkas.org/?cat=7 There a some problems with mobile HD4850 cards also ! Try eventually also the most récent Universal injector for Ati and Nvidia graphic cards: http://rapidshare.de/files/47335568/Enable..._cards.pkg.html Mine is working fine with a lot of versions of Natit.kext since the beginning but perhaps i'm lucky ! Link to comment Share on other sites More sharing options...
rsilves Posted June 26, 2009 Share Posted June 26, 2009 I bought a 4850 today and cannot make it work. (READ UPDATE BELOW) Can you explain me where to get the Natit kext that makes it work? I tried installing Enabler_for_Nvidia_and_multiple_ATI_cards.pkg which didn't work (shows apple logo then screen goes blank, I still am able to shut down the computer (blind) with the menu. Then I installed Natit.pkg and the same happened. I am not able to boot in -v or -x mode because I can only boot using my install DVD as a bootloader (HELP PLEASE). So I have to change cards on every restart. Annoying. + Do I need to delete any older kexts? I'll delete ATY_Init.kext (installed by Enabler_fot_Nvidia_and_multiple_ATI_cards.pkg), but any others that could be causing the issue? + My current driver is NVInject 0.2.1 with an EN7300GT Thanks, Rodrigo. UPDATE: WORKED doing the first 7 steps in THIS THREAD. And using Chameleon on a USB stick to enter -s, -f -v modes. Link to comment Share on other sites More sharing options...
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