TranceAddict Forums Archive > Other > Technology & Gadget Zone Usb Unknown device external hard drive error View this Thread in Original format jdat This evening my external usb drive started working oddly. Some folders were showing up empty when I knew they contained files ... Reboot pc and now it's impossible for me to get the drive to work. Each time I plug it in I get an unknown device error... I checked device instance id and it's all 0's so yeah ... not recognized at all :S I tried it on my laptop and the drive appears to be fine .... it's only on my pc that something is fudging up... I tried uninstalling the usb root hub and pci to usb host controller and no change.... what shall I do? I'm on WinXp pro Sp2 tribu quote: Originally posted by jdat This evening my external usb drive started working oddly. Some folders were showing up empty when I knew they contained files ... Reboot pc and now it's impossible for me to get the drive to work. Each time I plug it in I get an unknown device error... I checked device instance id and it's all 0's so yeah ... not recognized at all :S I tried it on my laptop and the drive appears to be fine .... it's only on my pc that something is fudging up... I tried uninstalling the usb root hub and pci to usb host controller and no change.... what shall I do? I'm on WinXp pro Sp2 I had this same problem and it turned out my USB port wasnt getting enough power to read my external properly. Did you tr another device in the USB port? jdat quote: Originally posted by tribu I had this same problem and it turned out my USB port wasnt getting enough power to read my external properly. Did you tr another device in the USB port? wtf I was siding with a power problem and you were right.... I can't get a stupid memory card reader to work either! oh geez this is bad :mad: .... btw only thing working without any problems is the usb mouse .... CLICK TO RETURN TO TOP OF PAGE

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