Mac Mini Power Light Blinks Once

I got a 4 1 mac pro running dual 2 26ghz quad core xeons 12gb s of ram and a geforce gt 120.

Mac mini power light blinks once.

The only sign of life is the blinking light that. My imac does not turn on not even make the noise when booting up. After i openned it up i see that the cooler tries to spin but then it stops checked the power supply from the machine and its giving 12v as it should be on power supply after i press the power button it goes to 0 4a then zero then 0 7a then zero again and. My computer won t start the monitor dosn t come on and the sleep light blinks constantly.

Fans come on and stay on. The power light is displaying all right but everything else is not working can hard disk board etc everything is not working. When trying to boot i only get the white blinking power light. Hello guys i ve received an mac mini late 2014 a1347 for repair and it wont turn on.

I had an ssd 120gb in it but it was working fine. When it happens like that the power on and of too won t work unless i switch the main socket off. I will travel to the u s. Press and release power.

During the few seconds of shutdown but before power is removed from the main logic board the sil remains on and will not blink. When the computer is fully shut down the sil turns off. Permanently flashing not just 3 times or so i of course googled and found out that in. Soon and will have it serviced there.

Please what could be the propblem. Machine starts 20 50 minutes later. Hold command option shift r p and power for 10 seconds. When the display turns off the sil turns on.

Only the power light is on. Specs are dual core i5 2 5ghz 8gb ram 1tb hd. Immediately after release power source light turns green. Mac mini mid 2007 is the same i get it to run the recovery disc then it goes to reboots and stops then will not turn off without pressing on off button when i turn on and light on no chime fan spins up no boot no signal to display i know one thing i have two power adaptors both are working.

This turns the display off. Mac mini but after a while it won t boot at all. Hey guys i seriously need some help. Macbook pro mac os x 10 6 8 view 1 replies view related intel mac.

It doesn t turn on just power light blinks jun 21 2012.