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Mavericks 10.9 stuck on Apple logo before installation start
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Question

Hello all,

 

I am new here and try to install Mavericks 10.9 on my Lenovo T410 laptop.

After I input -x, the screen shows the Apple logo with a spinning circle.

After about 1 minutes, it stop spinning and nothing happen next.

 

I have intel i7 M620 CPU 2.67GHz , with Nvdia NVS 3100M in my laptop.

I have also checked the bios setting to use AHCI mode instead of SATA.

I format one of my 2.5" external hdd for making the bootable OS X 10.9 Mavericks USB.

I also try other boot flag such as "CPUS=1, PCIROOTUID=1 NPCI=0X2000...etc", none of these works.

 

I attach the screen display which I captured by input -v.

Please help me to see how should I solve this problem in order to start the installation process.

If you need any more information, please let me know!

 

Thanks in advance for the help.   ^_^

 

Chuck

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