Can I use this product as primary video card eventhough I don't have a video card in my system?

Applies to the Following Products:

- USB 2.0 to DVI/VGA (JU-DV0012-S2)

- USB 2.0 to DVI/VGA Pro (JU-DV0112-S1)

- USB 2.0 to HDMI with Audio (JU-HM0112-S1)

- USB 2.0 to VGA (JU-000071-S1)

- USB 2.0 to VGA Pro (JU-VG0012-S1)

- USB 3.0 to HDMI with Audio (CE-H20W12-S1)

- USB 3.0 to HDMI/DVI Multi Monitor Video Adapter (JU-H20111-S1)

- USB 3.0 to VGA Multi Monitor Video Adapter (JU-VG0211-S1)

Solution:

No, you cannot. You need a video card and the driver has to be installed to install these products successfully in your system.