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Hi, many many thanks, as soon as possible I try the steps that you have shown me and tell you the news. Thanks for your time.

Hi, excuse me, please tell me you all the steps you did to run your e7440. Can you tell me if you have applied the specific kext or other patches. I do not know what else to do to run OSX on my e6540. Thanks

Sorry, I might add, I originally tried with 10.8.5, then I switched to 10.9.2. Posts from 25 onwards are related to 10.9.2 Many Thanks

The only version I could download from Apple is 10.9.2. I'm trying to install this version. Greetings

Hi, the disc is already in AHCI in bios. Any other ideas? Greetings

Hi, looking on the net I read that to fix the problem reported in the previous post I had to add the kext in the directory Extra / Extensions. I added the kext, but I have the following problem later ( see image below ): Here are the steps taken for those who want to try installing Maverick on E6540: MyHack used to create a USB with Maverick 10.9 Copied to the root of the USB pre-patched kernel Copied to the root / Extra / Extensions ( zip attached ) Someone can help me? Many Thanks. Still Waiting for root device.zip

Thanks for you reply. I download Maverick ( 10.9 ) and apply correct patch to the root fs of USB. Now retry to start installation, but I keep seeing the words that is repeated : "Still waiting for root device". What can I do? Greetings

Hi, I finally had time to try to install osx. I copied the haswell pre-patched kernel from here to the root filesystem of USB ( 10.8.5 ) and added to the boot parameter cpus = 1, but after a while I get the kernel panic shown in the image. Excuse me, but I am novice to OSX Latitude. Can someone help me ( I have dell Latitude E6540 )? Greetings

Inside Windows Device Manager I see: Intel® Core i7-4800MQ CPU @2.70GHz Display resolution: AMD Radeon HD 8790M Intel® HD Graphics 4600 DVD/CD-ROM drives HL-DT-ST DVD-ROM DU90N SCSI CdRomDevice Disk Drive ST500LM0 ST500LM0000-1EJ16 SCSI Disk Device IDE ATA/ATAPI controllers Intel® 8 Series Chipset Family SATA AHCI Controller Dell Touchpad Network Adapters Dell Wireless 1506 802.11b/g/n (2.4GHz) Intel® Ethernet Connection I217-LM Storage controllers O2Micro Integrated MMC/SD controller Screen Resolution 1920x1080 Greetings

Thanks for the quick response. I'm sorry but I need more informations, To step 10 of the preinstallation steps I read about to choose the bootpack to complete the installation. What bootpack I have to use for the E6540? Greetings.

Hello, sorry, I'm new. I just bought a E6540 and would like to install on the second drive through this adapter (http://www.newmodeus.com/shop/index.php?main_page=product_info&cPath=2_3&products_id=534) Maverick OSX. Can you tell me the steps by step to try to install the operating system on the E6540 MAVERICK (including where to download it)? Many thanks.