Hi,
Please try the latest graphics driver for your HP notebook available from this link:
http://h20564.www2.hp.com/hpsc/swd/p...&swEnvOid=4192
Also can you let me know if this issue persists after upgrading to v7.9M3?
You can download this from here:
http://www.displaylink.com/downloads/downloads.php
Thanks,
James