I'm looking for help to my problem. I want to install OS X (EC or Yosemite) on my Thinkpad L450.
All attempts failed . Now I read that it is recommended the BIOS version should be 1.06. My current version is 1.17.
But a downgrade was not possible. Although I had enabled "possible downgrade"!Can anyone help me?
Thank you all
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Last post by frostburn
Fri Jun 22, 2018 12:26 pm
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