Hey, Just wondering anyone having any issues with installing Yosemite on a HP Probook 4540s? It said it was meant to be straight forward and easy?? I have replaced the wifi card with AR5BHB92 and followed the instructions word for word on the Tonymac86x website. It works up until I have to press F4 at the boot screen to boot from my partition on my bootable USB drive and thats where it stops. Pressing F4 does absolutely nothing. It only gives me the option in clover to boot from Base System OS X.

Anyone have any ideas?

submitted by jkay2904
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What is missing? Please comment to help! For more info try www.iatkos.net

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