It simply indicates that there is a critical problem with the installed motherboard.

Consider a replacement with the same rating as the former.

Cheers.

Feel free to email me on [email protected]

Hi...

Reset the memory in the slots.
Remover all the card (except video)and try start the computer.
Let me know if you get any video.

Thnaks
Smith

Hi

1 long and 2 short is video adapter failure, theres something wrong with the video card, try another one or reseat it.