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   From: Richard Asbridge    
   Subject: Shutdown requires manual power off   
   Newsgroups: alt.os.linux.ubuntu   
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   Date: 22 Jan 2007 21:08:36 GMT   
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   Greetings all,   
      
   I'm running Kubuntu 6.10 (64 bit edition) on the following box:   
      
   Intel D975XBX motherboard   
   Intel core 2 duo 2.4Ghz CPU   
   4GB RAM   
   nVidia 7900 GTX graphics card   
   Sound blaster Audigy SE   
      
   Description of problem:   
      
   When I shutdown the machine via "KDE right-click menu" or "init 0" or   
   "shutdown" CLI commands the system comes to a halt safely but fails to cut   
   the power to the screen, lights on the front of the box etc. The last   
   message posted to the screen is "System will halt..."   
      
   Observations, guesses etc:   
      
   This behavior reminds me of the old days before machine could be switched   
   off by software (remembers win95 on his 486DX2 66 *shudder*). I have a   
   dual boot Win2K on this system and Win2K manages to shutdown the box   
   without incident. I've tried openSuSE 10.2 (64 bit), Kubuntu 6.10 (64   
   bit), and FreeBSD 6.1 (64 bit) all with the same symptoms. The fact that   
   the default config in each of these three OS's fails in the same way makes   
   me think that something is out of sorts in my BIOS, incidentally I've   
   updated to the latest BIOS (ver 1474) from Intel in case that was a   
   problem, sadly it wasn't. Does the fact that I'm trying out 64bit versions   
   of these OS's have anything to do with it perhaps? Does any one else have   
   this problem? The fact that win2k manages it suggests it may be falling   
   back to an older "power off" instruction or perhaps a 32bit one that the   
   machine can understand. I think I'm going to try to live boot a 32bit   
   Linux and see if my problem persists... but any ideas you guys may have   
   would be appreciated in the mean time :)   
      
   Thanks for you time   
      
   Richard   
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