USB devices don't work

[youngt]

i have just formatted my pc, and everything was going fine, i installed all the drivers, but after i reboot after i instaled the last drivers the pci device drivers my usb ports dont work no more, only work in safe mode, can someone help me!!!!
Im using an acer extensa e261...

 

[Ididmyc600]

Hi

go into device manager and remove the USB ports, then reboot and see if they get refound.