This is my first post on this forum so please bear with me..
when autorun.exe file on the installation disc is run on my laptop, though the installtion screen comes (the one with install,installation guide,copy to usb options)..but when i click on the install button no succeding screen or message comes
i have even waited 15-20 min after clicking on the install button but still nothing happens 
please help me
[system config : win 7 (64 bit) ,4 gb ram,intel i-3 processor]