WPD filesystem Volume Driver & Windows 7 Ultimate on Studio 1558

I have a new Studio 1558 that came with Win7 x64 home but for work purposes I had to move to Win 7 x64 Ultimate.  This was a fresh load not just an upgrade.  When I finished installing all the drivers, everything works EXCEPT my SD card reader.  I get the following error:

Windows was able to successfully install device driver software, but the driver software encountered a problem when it tried to run. The problem code is 10.

I have uninstalled and re-installed drivers,and checked to make certain I have the latest drivers from Dell.

When I plug an SD or MMC card in the slot, the deivce shows up as the F: drive (faded out) under Devices with Removable Storage in Windows Explorer.  I cannot open it or do anything with the drive as it keeps telling me to insert a disk.  The SD cards I am trying are read without an issue on my older Inspiron 6000 with an external card reader so I know there are files on them.

Any ideas?


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