I have installed Windows 7 to my computer. But the problem is i cannot install my motherboard CD. (Mother board is ASUS P5GC-MX/1333) Actually my HSDPA modem software also cannot install. Motherboard software and Modem software can be successfully installed to Windows vista. So i think there not be a compatibility problem.

How am I fix this?

is the computer a custom build ,or brand name like Dell /Compaq /HP/Gateway ect ect

check here for win7 32 bit drivers ,chipset /video and sound drivers here .
install the chipset driver at least .and sound and video if needed
http://www.asus.com/Motherboards/Intel_Socket_775/P5GCMX1333/#download

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