The USB ports on my 18 month old, out of warrenty, Ideacentre B500-57115233 no longer function. Computer was powered on and hibernating, but would not awaken using wireless (USB, not bluetooth) keyboard and mouse. Technician at computer repair shop said all ports were dead, could not be repaired, and computer motherboard had to be replaced. Only way to access system is with a PS2 keyboard (which I do not have). Have accessed files remotely through network so system otherwise operates normally.
Any ideas about how to repair USB ports? If motherboard needs to be replaced, where do I get one?