Emachine computer cant get signal to start windows keyboard or mouse dnt work ke

[frenchlady]

emachine computer cant get signal to start windows keyboard or mouse dnt work keep saying check signal gives me keys to push but without keyboard how can Ito start windows keyboard or mouse dnt work keep saying check signal gives me keys to push but without keyboard how can I do anything it's a emachine w3400 please help, I'm not working and can't afford to get it fix

 

[das_stig]

Could be psu or onboard vga.

Do you a have psu you can borrow to rule it out?

If onboard vga, your screwed and will need a new motherboard or dedicated vga card.