Computer doesn't start

[salvadora]

Hi Im new at this I have a question my computer doesnt start I have it diagnos and hi tallme it was the motherboard how can i order the motherboard is there a part number or where can i get it.

 

[hrlow2]

What type of computer is it? Make,model number.

 

[kimsland]

Have a look here: Tutorial: No POST (Power On System Test