Exclamation [Q] Asus MeMo Pad hd (ME173x) Stuck in bootloop

I recently bought this memo pad hd7 private party it worked fine had it a week now it turned off and is stuck in boot loop i tried the flash method but wont ackknowledge pad alive i can get it to the screen where you select recovery fastboot and normal but that is it . it wont even shut off to charge it just keeps rebooting unless i leave it on the selection screen any ideas?????? please help