I installed ubuntu 16.04.03Ubuntu version 16.04.03 with dual boot on my windowsWindows 10.For this I partitioned my C drive and allocated 50 gb space for ubuntu and I used rufus.
Ubuntu installed completely but when I restarted my PC I was unable to choose between Ubuntu and windowsWindows, in a way my.
My keyboard stops working at that situation (keyboard doesn't responds)responding, but if I plug my pendrive I'm able to choose between Ubuntu and windowsWindows (keyboard responds while pendrive is plugged in).