On Jul 18, 2009, at 5:33 PM, Jonas Ulrich wrote:

> A week or so ago I wrote about a single 1ghz mdd tower that was  
> having random crashes and usb failure. I have since then replaced  
> the motherboard. For some reason the old mother board wouldn't let  
> me boot off the aht cd. As soon as i put the new mother board in and  
> plugged it into the wall, i plugged in the monitor and the computer  
> powered on and booted to the login screen without me pressing the  
> pwr button! I shut it down and discovered that the power button  
> would not turn it on. As of now, the only way to turn the computer  
> on is to unplug and plug in the monitor. I ran the aht and it passed  
> all tests. Now it won't shut down either. it will just restart.
>

Did you get all the connections plugged back into the mobo? especially  
the one coming from/to the circuitry around the power button?

Maybe you missed that when replacing the  board.

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