windows 10 bootloop

I was using my pc and my mouse and keyboard disconnected after i took out my case cover cause it was stuck, cause of that i restarted it by button and bootloop started, i removed ram and made sure its clean, it was and after that i tested the sticks and still boot loop, need help.

Let me explain my situation as detailed as I possibly can. My friend asked me to reformat his laptop, which is a Lenovo Idea Pad 300 if I'm not mistaken. I downloaded and installed windows on my usb. I switched the boot priority to USB then rebooted the laptop, It went pretty smooth. I chose 64...