Hi Md. Nadim,
I would suggest you to visit manufacturer’s website and install the latest device drivers compatible for Windows 7.
You may refer the below mentioned link.
http://windows.microsoft.com/en-us/windows7/Update-a-driver-for-hardware-that-isnt-working-properly
You may also update the chipset drivers on the host machine.
Hope this information helped!
Thanks and regards,
Fouzan – Microsoft support.
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