Windows 7 doesn't recognize my Mouse and Keyboard

Apr 4, 2018
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So i just installed windows 7 64Bit on my new system and everything went fine but after the Os booted up while finishing installation the mouse and keyboard doesn't responded i mean both are working fine on Bios menu.. I don't know what is wrong?

MY RIG
I3 8100
GTX 960
GIGABYTE H310M DS2
CORSAIR VENGEANCE 8GB RAM 2400MHZ
AND CORSAIR VS 450

PLZ HELP ME OUT