someone please help. Asus memo pad 7 hd stuck in boot loop topic

i rooted my tablet successfully about a week ago. then tried to apply a skin i found on tablet market. it shut off rightt away and now wont boot past the loading cirle screen. i cas n get into recovery but every thing on this site ive read about & tried has not worked. either it doesnt show files i put on sd card. oe'er the file leads to an empty folder if it does show up. when connected to
the computer it has an exclamation point & says drivers have concluded. but wont show any files on tablet at all. to top everything off i forgot to take the sd card out before taking the back off and it broke the mount. now i got it to read it a couple times after putting paper behind the sd card.... but it hasnt always worked. someone please .help me save my memo paD??!"!