Strange problem resolution

I recently bought a computer, using the Samsung T190 monitors, motherboards UNIKA the 780G
CPU 5000 + 1G memory system to do a good job (with the depth to do, bring their own driver) with a resolution of 1280 * 800 did not 1440 * 900 option
I installed the catalyst 8.8 Resolution 1440 * 900 tune into the resumption after 1280 into a 800 * I use the VGA connector line is also connected to the DVI interface after total There is no line of DVI signals can not please know that friends help grateful ~ ~ ~ ~ ~ ~

1, resolution Does not recognize the problem should be driven

2, DVI monitor connection there INPUT or MODE option to switch to digital DVI or can of your graphics card driver to the latest update,

as Gao will not do,

will display in the boot shut,
a good start in the machine Zaicha power,
to allow the display to adjust their

The first method trouble on my machine and not Use,
that I am using the second method of repair …