N78 USB CONNECTIVITY PROBLEMS

Hy guys,
Since i've bought my N78 i've been able to connect the phone via cable only one time. After that, every time i've tryed to connect my n78 via cable my computer doesn't recognize my Phone.
When I plug USB cable in one of the USB ports, Windows XP gives me back an error that says "USB devices not recognized - One or more devices connected to the computer has not worked correctly. Windows is not able to recognize it".
I've reinstalled PC suite thousands of times,but nothing changes.
My phone has the 12.046 software version. I know that there'e a newer version but how I can update it if my PC does not recognize the phone, and hence, PC suite is not able to connect to the phone.
Many thanks for you help
m

you have another option in updating via Firmware Over The Air. you can do this by entering *#0000# in the standby screen and selecting Options > Check for updates. if an update is not available over NSU, then it may be on FOTA instead for your product code. this method of updating only takes about three to five minutes anyway. remember to do a hard reset (three-finger hard reset) after updating your phone to the new firmware.
so you can probably update from 12.046 to 20.149 or 21.002. USB connectivity problems are probably due to problems with the USB cable or the computer, i have had no problems at all with USB connectivity in all the time i've had my N78, even under 12.046 firmware.
let us know how it goes.
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N78 USB CONNECTIVITY PROBLEMS

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