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I'm having some troubles booting from Mac OS X Lion after installing Windows 8 Release Preview on bootcamp partition.

I've made these steps.

  1. Install Windows 8 Consumer Preview using bootcamp
  2. Upgrade Windows 8 Consumer Preview to Release Preview
  3. Reboot the system and hold option key.
  4. On bootcamp select Machintosh HD

  5. Mac OS X Lion doesn't start, or after a lot of time, it presents me the accounts screen but I cannot select anyone, trackpad or keyboard doesn't works!

I tried to boot from Recovery HD, but keyboard and trackpack doesn't work too.

I tried to boot from Snow Leopard installation CD, but it also doesn't work.

If I restart and boot in Windows 8, everything works fine!

I have a Macbook Pro 15".

Could someone helps me?

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migrated from stackoverflow.com Jun 6 '12 at 15:46

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When you say "doesn't work", you just mean keyboard and trackpad right? –  Vervious Jun 6 '12 at 21:07
    
Right! But at last I could make it work on an easy way. I restarted NVRam holding Command+Option+P+R and everything goes well again and I could restore my Time Machine backup –  Rotten Jun 8 '12 at 10:28
    
Hooray! Glad you fixed it. –  Vervious Jun 8 '12 at 16:37
    
You should put your solution in as an answer. –  rakslice Jul 14 '12 at 5:04

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