External USB Drive not Detected

I was toying around with Group Policy on my local Win 7 machine, mainly to verify how the "Device Installation Restrictions" would affect the rest of the machines should we choose to enable it.  Anyway, I configured it and when I attempted to connect an external hard drive, it worked correct and shot up a message saying a policy would not allow the drive to be connected.  Tested in on some thumb drives and the same result.  I then disabled the policy (not configured) and restarted the computer.  I was able to connect other USB drives and hard drives, but I can no longer connect the external drive and thumb drive that I used to test the group policy with.  When I plug either in, nothing happens.  It's almost like Windows remembers not allowing those two particular devices and just won't do anything now.  All my other external devices will connect no problem.  Any ideas?  Thanks.
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Steven CarnahanNetwork ManagerCommented:
The problem is that you enabled the policy and then did not disable it.  Setting it to not configured does not change settings made while it was enabled but only impacts going forward.  

•Policy Not Configured - No value(s) are specified. Any value(s) already in the registry aren't manipulated.

•Policy Disabled - Any value(s) that would be created by the policy present are deleted.

•Policy Enabled - Manipulation of the registry (adding, altering, or deleting values) will occur. Typically this takes the form of placing into or altering existing values in the registry but it is possible that an enabled policy could delete values, too.

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EirmanChief Operations ManagerCommented:
HOTSWAP: As a workaround, this little free utility might force your system to look for the undetected hardware.

It works like the Green "safely remove hardware" icon in the notification area
(except that it is red)
try also safelyRemove - it handles usb devices   http://safelyremove.com/?pid=1
Jason92sAuthor Commented:
Appreciate all the suggestions.  Tried everything and nothing worked.  Finally just plugged it into a difference computer and that computer recognized it.  Thanks.
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Windows 7

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