I listed all the drivers that I installed for reference. I re-inspected and installed some drivers (actually, keep adding drivers) from the Lenovo site today. FYI Unsolicited Personal Messages will be ignored. Andy _ Please remember to come back and mark the post that you feel solved your question as the solution, it earns the member + points Did you find a post helpfull? You can thank the member by clicking on the star to the left awarding them Kudos Please add your type, model number and OS to your signature, it helps to help you. I saw people are asking the same questions on the Internet. I saw these.inf files are in windows system32 directory but are not reconginzed by the new driver install program. How can I find the drivers for them? Asus Acpi Ite8707 Driver Windows 7. I think these are related to the bluetooth devices. I got these information, BTH MS_BTHBRB, BTH MS_BTHPAN, and BTH MS_RFCOMM. I right click the unknown device and check the detail. I still see three unknown devices in the device manager. I upgraded BIOS and everything that can be downloaded from the Thinkpad web site. My system is Thinkpad T61 model 6465 running Windows server 2008.

Bth Ms_Bthpan Driver Windows 7 Dell