Hello anushka

Try to use the driver of follow link.

http://dlcdnet.asus.com/pub/ASUS/misc/utils/MB_WIN7_ATK.ZIP

And let me know the results.

If you continue having this problem, please bug reporting with bug report button(

3DP Chip >> Q&A/Bug(Click) >> Bug report(Click) >> OK(Click) >> Paste(Ctrl + V)

 ). Because I need your hardware IDs & Model name...

Thanks for using 3DP Chip.