Can t reach installer

Hi mates , impossible for me reach sierra s installer it stucks in sound assertion and appleacpi ... etc etc . I used the last clover and try diferents boot args and diferents config.plist but always stucks my mobo is a z68 ap , i7 processor and gt 520 nvidia graphics wich always worked out of the box . Pleasesssseee helplppp!!!

How long did you wait at the posted screen? I had this same thing on the Z87I-Deluxe, but after about 10 minutes it continued the boot.

Going Bald said:

How long did you wait at the posted screen? I had this same thing on the Z87I-Deluxe, but after about 10 minutes it continued the boot.

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it takes about 10 mts and appears the arrow in the corner and nothing more and sometimes just a blacl screen