I'm lost.NOTE: Please make sure that your computer has the necessary hardware and your wireless is turned on. after that I was able to install the Lenovo driver again.īut now I got back to square one with the identified device, and no Bluetooth section in the device manager nor an icon upon startup. Well, so at this point I've tried to uninstall all the BT devices and later on also the Broadcom s/w (from the add/remove program menu). Then I tried to install again the Lenovo driver, but now it refused to install by the pretense of a newer BT device already installed. Thinkpad Bluetooth with Enhanced Date Rate II, with error code 1 status of: 'The installation failed because a function driver was not specified for this device instance'. Https /(WIDCOMM® Bluetooth Windows® Software for Windows 7 and Vista, 64-Bit released ).Īfter this installation (and the necessary reboot), the unknown device was still marked as having a problem, but it was also recognized as: So I've downloaded the latest official Broadcom Bluetooth driver from: Http //il/en/downloads/ds013631 (Bluetooth with Enhanced Data Rate Software II released ).Īfter installation (and required reboot), I was now stuck with an unknown device, with the following 2 details value strings:įrom googling this I've realized it's related to the Broadcom Bluetooth driver. I've reckoned that in order to fix this I should just downloaded the latest official Lenovo driver from: So I uninstalled it specifically, and was left with an unknown device, with the detail value of:įrom here on everything only got worse :-( So from googling I figured all those BT problems might be caused by improper driver installations of BT related devices, which led to the use of the Microsoft enumerator instead of the actual needed devices.

Thinkpad bluetooth with Enhanced Date Rate II at this stage the BT icon appeared correctly upon startup and in the device manager there where no errors, whereas the BT devices were identified as:Ī.

For quite some time now I've been having problems with Bluetooth (BT) devices on my T500 Win7 64 bit with devices ranging from like my older Nokia C2-01 mobile phone to my new UE ROLL 360 wireless speakers.

Bluetooth driver for lenovo t420