fastboot

i need serious help, i changed my build.prop on my htc one x (at&t) it freezes at the htc one logo now and i have a windows 8.1 and windows 8 or 8.1 are known to be messed up with drivers :crying: i tried everything and i mean EVERYTHING! changing drivers to intel , installing , uninstalling . fast boot isnt recognized by my computer only adb is , if u can give me a build.prop for htc one x ..
someone please help me....

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