Description: Neither keyboard nor mouse could be operated normally.
a、Make sure whether cable connection of keyboard or mouse is correct and firm.
b、Test other parts to verify whether it is a mouse or keyboard fault.
c、Retest the machine via power on/off.
d、Reboot and enter cmos or raid configuration interface to test keyboard or mouse performance, when tested in a non-system situation, if keyboard or mouse performance turns out to be normal, a system fault could be considered; if keyboard or mouse fault still exists, a mainboard interface fault could be considered, and you could contact the distributor technical support.