Question about Sony Ericsson W550i Cellular Phone

3 Answers

USB Connection Not Detected/Device Unknown

My phone has always worked with my computer but, I turned on the computer and plugged it all in to transfer some pictures and my computer gave me an error that read USB Device Unknown. So I unplugged the phone restarted it tried again... Same error. Then I restarted it without unplugging my phone the device was found and the computer said it was working properly but I cant find the folder under My Computer> that stands for the phone? Any suggestions for fixing this nuisance of a problem? -SP

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  • Shari  Pearson
    Shari Pearson Aug 01, 2007

    I am running XP... It is the origial cable, its not damaged though... In device managaer the phone isnt showing up at all anymore...

  • Shari  Pearson
    Shari Pearson Aug 01, 2007

    After the phone stopped working i kept just not using it for a day or two and using my computer like normal, turning it off and occasionally seeing if the phone didnt work. I called the repairman that I usually go to and he said to update the computer with the microsoft updater and i did but it hasnt helped or done anything, thats the only update taht has happened and it was nothing to do with the drivers.

  • raj7 Dec 17, 2008

    i have w200i,and pc suite is installed in the computer,when i connect my phone to the computer using a usb cable ,in the phone display it shows that is phone is connected to the computer ,but in the computer the phone is not detected....but i have something which say sony ericson under device manager,usb adaptors..i tried scanning for new hardware changes it is not detected by the computer....

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I have same problem, eventually i can solve it by pressing the primary button (clear big middle button) while i plugged in the usb con. The chance to get it is only for few milisecond due to preparing menu will flashing immediately,  it will force my phone to prepare to preparing usb connection

Posted on Dec 01, 2008

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I think your phone's memory capicity is full or your actual storage sysystem of your phone is buggered. hope it helped. p.s or your computer doesnt function properly.

Posted on Aug 01, 2007

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What operating system do you have on your computer? Are you using the original USB cable or a replacement? Have you recently updated/changed your USB drivers or phone firmware or formatted your phone? If using windows XP then does the phone appear in "Device Manager"? Waiting for your info :)

Posted on Aug 01, 2007

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