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Windows 7: External USB 3.0 drive causing trouble in device manager.

05 Jan 2013   #1
FZR600R

Windows 7 Home Premium 64-bit
 
 
External USB 3.0 drive causing trouble in device manager.

First I want to say that the drive works without problems at the correct speed. The problems come upon disconnect. I also want to to stress that USB 2.0 discs are working flawlessly.

If I use safe eject and the look in the device manager I get an error 47 saying that it has been shut down but not disconnected, it also says I can rectify it by disconnecting and reconnecting but this does not work. If I do so the drive will not be recognized.

The enclosure has a power switch. After a safe eject I have tried both pulling the USB cable while power is still on and also going the other way by first shutting the power down. In both cases the error 47 shows in device manager. When this happens the CPU load goes up to about 20% and stays that way when it before was around 0 at idle.

If I reboot the drive reconnects and I have no problem with it unless I try to safely eject it again.

Sometimes I get a BSOD when shutting down the computer(I want to stress that it so far only happens during shutdown).

I downloaded a small program that could read the crashdump and it blames the Etron host controller.
Does anybody have any experience with this?


My System SpecsSystem Spec
.
05 Jan 2013   #2
maxie

windows 7 home 64bit
 
 

I had a similar problem awhile back what I did to resolve it was went to my laptops manufacture website and downloaded
the latest driver for the usb that solved the problem .
My System SpecsSystem Spec
07 Jan 2013   #3
FZR600R

Windows 7 Home Premium 64-bit
 
 

Thanks, I flashed my BIOS and also downloaded new drivers directly from Etron. I still have to physically remove the USB cord even if I cut the power to the drive after a safe remove but now it goes away. If I don't do so I still get the warning in device manager but the CPU activity doesn't go up and that's the important thing.
My System SpecsSystem Spec
.

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 External USB 3.0 drive causing trouble in device manager.




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