820-2533-b board fan spin not boot or chime, while led keep on

[turbo]

820-2533-b board , fan spin .. green light is on, computer not boot up, no chime .... ... the white led in front of mac keep on....

clean board no water damage .. any idea

L7100 and l7101 both has 1v

 

[dukefawks]

USB mouse light up?

 

[turbo]

USB mouse light up?

when i board turn on there is blink for .001sec in usb mouse ... that it

 

[dukefawks]

Got beep without RAM? Connect speaker in the case.

 

[turbo]

already tried No beep without ram , no sound with speaker ..

 

[dukefawks]

You can try the BIOS but that is pretty much where is ends and goes to a bad MCP.