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Thread Starter 
I needed sdhc support for my card reader. According to a post on a forum I tried some driver but since its installation card reader absolutely doesn't work. I tried to install original drivers but no luck again.

In device manager i can see this:
- Ricoh Memory Stick Host Controller
- Ricoh MMC Host Controller
- Ricoh SD Host Controller
- Ricoh xD-Picture Card Host Controller

But Ricoh MMC Host Controller signals yellow exclamation. After clicking the device manager says it isnt working properly.