Thank you for your respond.
USB computer port is OK.
I was testing with 3 computers, operating system win XP home, XP pro and Win 7 pro.
I will fallow you suggest, thanks.
I was hopping upgrade the software helps me to fix the problem!
I believe previous owner damage, some how, the phone.
Never been honest with me, and that is my cost to ply with that issue.
I believe, option to upgrade the phone, is the best in my situation, only regarding the cost?
For my point of view, I need:
Good quality camera,
Bluetooth,
WiFi,
GPS,
good quality phone connectivity.
Any one have any suggesting, replay please.
Peet.