Back-UPS is detected as an ""Unknown Device"" in Device Manger
Back-UPS is detected as ... All APC Back-UPS UPS utilizing USB communications. All APC Back-UPS UPS utilizing USB communications. ... PC and the USB compatible Back-UPS , is not ... ... of a weak USB receiver on the ... ... a "" Back UPS Pro 350" ... the installation of APC's Power Management Extensions ... 1 . Make sure ... ... and reconnect the USB cable a few ... ... up when the USB cable is connected ... ... the installation of APC's Power Management Extensions ... then unplug the USB cable, this ... ... that your PC's USB ports are enabled.