My BB bold 9700 has suffered a total power failure. It worked before i slept last night but i knew something was wrong when the phone alarm didn't wake me up this morning. I tried switching it on but it just wouldn't come on. I have tried charging the battery, I have swapped batteries with a colleague's and it still didn't work. I tested my own battery on my colleague's and it worked so my battery is OK. Any suggestions pls???

Cell Phones - RIM - BlackBerry - BlackBerry Bold 9700 Smartphone