hi i have recently built 3 computers that all have the same problem... when they have a internal card reader plugged in, i plug in a 2.5" external hard drive into any usb port, but it wont show up in my computer but it shows up in device manager as usb mass storage device with an error.
but if i disconnect the card reader it works fine..... i have tried different card readers and usb harddrves but the result is the same..
the interesting thing is i have built about 7 other computers with the same setup and it works fine with everything plugged in!!
any ideas?
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