Vista - Nvidia Geforce 6150 Multiple Monitors Dualview Issue on HP Tablet

Hi ,
I have a Nvidia Geforce 6150 card on my Laptop - HP Pavilion tx2001au
Entertainment Notebook PC (http://h10025.www1.hp.com/ewfrf/wc/product?
lc=en&dlc=&cc=us&lang=&product=3653674&) . I attached a LCD monitor to
my Laptop..I am not getting display on second monitor in dualview mode
(extended desktop) .However,on Clone Display mode i get display on
both the laptop monitor and the external display. Whats the issue ?
How can i fix it?

OS : Windows Vista Home Premium 32 bit
Nvidia Driver : 7.15.11.5682 A (
http://h10025.www1.hp.com/ewfrf/wc/s...roduct=3653674
)

On Jun 27, 5:47*pm, iceman2 <work.chan...@xxxxxx> wrote:I've checked the steps mentioned here :http://h10025.www1.hp.com/ewfrf/
wc/document?docname=c01369231&cc=us&lc=en&dlc=en&product=3653674 ...but
in the Display Settings, the laptop shows one monitor even after
connecting the external display.is this a known issue with the NVIDIA
driver for Geforce 6150 ?