Connecting an exterior drive to a PC

November 12, 2010 at 10:49:54
Specs: Windows XP, 512
I externalized a drive from a second computer using a USB connection. But, it is not being recognized. The external hard drive is powering up (green light is lit and I can feel it spinning. The USB hub has other devices on it that are functioning. I removed a working flash drive from the USB port and replaced it with my external drive.

Please advise.

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November 12, 2010 at 11:08:59
Is the external enclosure AC powered?

Look for the external hard drive in Disk Management. You may need to take ownership of the files/ folders. Look at the link below to learn how.

Connecting high power usage hardware to a hub is not a good idea. The hub is connected to a USB 2.0 port with limited power capabilities.

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November 12, 2010 at 12:52:41
If you can see the files and folders on the drive in My Computer or Windows Explorer but when you try to open them you get "Access Denied" or similar messages , then you need to"take ownership" of the files / folders.

If you can't see the data on the drive in My Computer or Windows Explorer at all......

External hard drives are often NOT detected properly when they are plugged into a port in a USB hub that has multiple ports connected to only one USB port that's directly connected to the mboard. That type of hub is well known to NOT work with everything.

Troubleshooting USB device problems including for flash drives, external drives, memory cards.
See Response 1:

Check that out first.

Rarely, not all the ports on the back of a desktop case may be able to supply 500ma each.

If you have a desktop computer, Note that I answered a Topic on this site recently where a guy had an external drive, which does require the full 500ma, connected to a port on the back of a desktop case - it would not work properly when a webcam was in the port next to it, but it worked fine when the webcam was unplugged. Ports on the back of a desktop case often have two ports connected to the same USB controller module that are ports one above the other - you could try connecting the cable to one of those and leaving the other un-used.

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