usb error

Hello! I get a window at the right corner of my pc saying, USB device was not recognized but it keeps doing it over and over, It pops up and after 2 sec it goes away and re appears back againg doing the same thing over and over again for like 5 to 10 times then it stops and it starts later...

Hi everyone, I'm new to this site so sorry if this is not the right place to post this. I have a Old Lenovo G460 that i formatted with Windows 7,all ports were working fine but after I formatted it I soon realised none of the USB ports are working, I looked all over the internet and tried...