BlackBerry Bold 9700 - Black (Unlocked) Smartphone FAULTY ?

HI I HAVE A BLACKBERRY BOLD 9700 ITWAS WORKING 5 MINS AGO AND TURNED OFF AND NOW IT WONT TURN ON DONT KNOW WHATS WRONG WITH IT AND AINT GOT SPAE CASH TO GET IT FIXED 40 POUND NO OFFERS BROUGHT A NEW BATTERY AND COVER YESTERDAY MINT CON