|ok.. guys... after a week i am with the result.|
as you said i tried with different configurations in bios, tried 1.0 and 1.0a in bios. made the pcie enabled always and a lot of things.
i do it, do it again, change it like that.
later then i installed the latest device driver as you said.. now i did a full install. last time i just installed the driver only..
i plug in the vga cable to onboard slot works., then to card not works.. and did it over and over again. buy all possibilities.
and last accidently one time when ( the system was on) i changed from board to card i saw the windows wallpaper. only the wallpaper. no icons, no mouse, no taskbar. nothing but the wallpaper. that gave me a hope.
then after some time i could understand that the card displays as a second monitor, and onboard as the first monitor.
i dont know how it happened. i could move a window from one monitor to another, but as i have only one physical monitor, so i need to switch the vga ports here and there..
then as all of you could have done i uninstalled the onboard driver.
now i get the 8500gt working. i tested with applications, yes it really works...
through the x1 slot.. hahaha.... thanks to everyone for your support..
now there is something... i mean both displays worked at once..
i could have made a dual display easily...
and as 8500gt could support 2 displays, i could probably setup 3 monitors on the whole.
and one more thing if i am using 8500, i cannot see the boot menu and all. the 8500gt works only after the windows loading is over.
Any way now i plan to buy a new hd 6450...
one another thing i failed to tell you is i had to cut in a slot through the cmos battery holder. so if i install the card i cannot put the battery. so i used two wires to connect the battery, to keep the settings.
OK ALL OVER. THANKS TO EVERYBODY AS ATLEAST THE 8500GT WORKED. if 6450 dont work i will swap it with 8500gt (which is actually my friend's).
and if you want to ask any thing please feel free to ask.
sorry for my english.
i will post the result with hd 6450..