Resolved Help needed: Using DiskWarrior to repair HDD of not booting MBP


hello!
have mbp 15" late 2011 running osx 10.10.4. since yesterday can not boot it, grey progress bar stops @ 1 third or half way.
after reading support files apple first tried boot in safe mode did not work either , bootet recovery mode. diskutil found errors not fix bootet single user mode , used fsck. found problems wrong number of thread counts , in attributes. both not recovered fsck or fsck_hfs using -rc or a.
friend told me diskwarrior deal these problems ordered , expect delivered tomorrow.
, here question:
have never used or installed diskwarrior before. according diskwarriors webpage usb-fladh drive can boot on macs delivered osx 10.4 10.6. mine delivered 10.7. can boot diskwarriors flashdrive though or can do. if can not boot diskwarrior directly there chance boot recovery mode access there? how?
thanks!
a.borque
 

if read further on disk warrior requirements page, next sentence is:
"if have newer intel mac, can use included diskwarrior recovery maker update diskwarrior recovery flash drive start newer mac."
 


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