Vantec UGT-PCE430-2C User Guide - Page 11

1. Please shutdown your computer and move the card to another available slot then re-install USB 3.0 driver. 2. Select the device then right-click on the mouse. Selecting "Update Driver" to update with the latest USB driver. 3. This exclamation point usually means there is a resource conflict between this card and another card in your system. Please move the card to another available slot. Restart your computer. Windows will re-configure itself and re-assign resources. Check your device manager again.  A message is displayed stating that not enough power can be given to the connected device. Make sure to plug 4-pin power cable on board to provide enough power to USB devices.  Is it possible to connect current USB 1.1 or 2.0 devices to the USB 3.0 PCI Express card? Yes it will work. Device will not be running at USB 3.0 speed, but at USB 2.0/1.1 speed. UGT-PCE430-2C/4C Page 11