Monthly Archives: February 2019

QuickCam 4000 shows up as “Unknown device” in Windows 7 Device Manager (USB\VID_046D&PID_08B2) Download the 64-bit driver from Logitech ftp://ftp.logitech.com/pub/techsupport/quickcam/qc1051enu_x64.exe Unpack this .exe file to a folder using 7zip, WinRAR, etc. In Device Manager right click the device, update driver, … Continue reading →