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Problems while installing ML

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Hello, I'm trying to install Mountain Lion on the laptop, but when it's going to boot, I only get this:




Anybody could help me, please??


Thanks in advance.


PD: These are my specs:


Dell XPS L702X: Intel® Core™ i7-2670QM

16GB DDR3 Corsair Vengeance

17.3in FullHD WLED AG

NVIDIA GeForce GT 550M

Seagate Momentus 750 GB 7.2k HDD

TSSTCorp DVD+-RW SN-208BB

Atheros AR9280/AR5BHB92

Dell XPS L702X: Intel® Core™ i7-2670QM + 16GB DDR3 + 17.3" FullHD WLED AG + NVIDIA GeForce GT 550M + Seagate Momentus 750 GB 7.2k HDD + Integrated 10/100/1000 Network Card + Atheros AR9280/AR5BHB92

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Hello, this is the last screen of the boot process before the reboot:

 

164041384_WP_20120926_173454Z.mp4_snapshot_00.51_2012_09.26_20_08_05.jpg.a9600970430442eb6748254b5dcc8f9b.jpg

Dell XPS L702X: Intel® Core™ i7-2670QM + 16GB DDR3 + 17.3" FullHD WLED AG + NVIDIA GeForce GT 550M + Seagate Momentus 750 GB 7.2k HDD + Integrated 10/100/1000 Network Card + Atheros AR9280/AR5BHB92

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Hello, these are the options I have on my bios:

 

IMG_20120927_093637.thumb.jpg.8364ea6a80808d09b4f93998b6e7b658.jpg

 

I tried both, enabled and disabled with same result.


PD: On Miscellaneous Devices there is another option to enable the external usb ports. :(

Dell XPS L702X: Intel® Core™ i7-2670QM + 16GB DDR3 + 17.3" FullHD WLED AG + NVIDIA GeForce GT 550M + Seagate Momentus 750 GB 7.2k HDD + Integrated 10/100/1000 Network Card + Atheros AR9280/AR5BHB92

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