Signs that motherboard is dead

could be that the software crashed, and the thing won't boot
whatever operating system can be repaired, by following the directions
I don't see a motherboard problem here....not really

hi

1- Unplug your tower,

2- open the case

3- get memory out

4- replug your computer and power it on

If you hear bips: the mobo and cpu are fine

if not you have a faulty cpu/mobo and possibly psu (psu sometime still power up fan and led but fails especially in low quality parts like emachines)