Help with my computer

Solution
remove power cord from pc, pop gently the battery on main board, leave it out for 2-3 mins, press power button and hold it for 30 secs.
then reapply battery on motherboard, apply power cord back on and boot it.

Unplug your computer, remove the motherboards coin battery for at least 30 seconds, then put the battery and plug back in and reboot.