I have downgraded to Windows 7 Ultimate and have two unknown drivers listed as USB Controller (USB ports do work) and one simply listed as an unknown driver. Anyone know anything about these drivers.
Thanks
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Can you tell us which machine (model) you have?
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idea pad y410p with the 24 GB SSD
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Have you tried installing the Intel Chipset driver to see if it clears the unknown drivers? You can refer to this thread here for help on your model.
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from my experience normally is the power manager driver. and also might be ur USB3.0. i dont know. just a random guess. u can try google the hardware ID from the device manager.
Two unknown driver issues
Discussion in 'Lenovo' started by sqhayes180, Jun 20, 2013.