USB Device not recognized-Used to work fine??

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Searched and did not find this in the Vibrant forum.

My Vibrant suddenly will not mount. I have it set to MASS STORAGE as it always has been, and now it won't bring up the USB notification on the phone and I get a USB Device not recognized error in Windows XP and Windows 7.

The phone is NOT rooted. I flashed JI2 with ODIN. I know it worked after that because I copied back my music movies and games back to the Vibrant from pc's running XP and 7.

Any ideas?

I had that happen to me, too, after I had soft-bricked my phone and then tried to use Odin to recover. I ended up getting the phone back through Clockwork Recovery, but by then it had stopped being recognized in Windows. Try re-installing the drivers (available here http://forum.xda-developers.com/showthread.php?t=728929). That fixed the problem for me.

Tried those, don't work for me. Not sure what the heck is going on. Finally get the phone working nicely with the JI2 update and now this...sheesh.

Any other suggestions?? I confirmed that it's not a driver issue, I tried my coworkers vibrant on my PC and his and it mounts fine. When I connect mine, same old error. I even did a factory reset, same results.

:(

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I have the exact same problem.. my vibrant soft bricked, so I reflashed stock rom with ODIN and it seemed to be fine.. then after a while it just stopped being recognized on my computer. Tried both on mine and my husband's. It's not the drivers, I've installed and reinstalled. There doesn't seem to be any fix for this??

sorry to bump an old thread but was there ever a solution for this?

Same happend to me today . I nandroid back to a point it was working and did not help . I read somewhere that formatting the drives help some but im not sure I want to lose all my **** .

Originally Posted by AgentFour20

Same happend to me today . I nandroid back to a point it was working and did not help . I read somewhere that formatting the drives help some but im not sure I want to lose all my **** .

I don't know if it's the drivers. I think it has something to do with Odin. I softbricked my vibrant twice and had to use Eugene's Froyo that won't brick then back to 2.1 and finally a custom rom. I think somewhere in there something happened...

I havent used odin lately . It was working fine then it just stoped working . I got the drives to show up but it window say "One of the USB devices attached to this computer has malfunctioned and Windows does not recognize it" .

Couple of things you can try:

1) Try setting the USB mode to Samsung Kies. Somehow, mass storage never worked for me, but Kies mode works just fine.

2) Try installing ES File Explorer from the market. With that you can get into a home network while on WiFi, thus allowing you to transfer data between your computer and phone using your WiFi network, thereby eliminating the need for cables.