Wirelessly posted (8700g: BlackBerry8700/4.2.1 Profile/MIDP-2.0 Configuration/CLDC-1.1 VendorID/100)
Sounds like you can't even get the blackberry started to check memory, etc.
Checkout these articles:
http://blackberryfaq.com/index.php/1...ng_problems%3F
http://blackberryfaq.com/index.php/H...ng_Jl_Cmder%3F
http://blackberryfaq.com/index.php/W...ect_and_w ipe