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Old 01-04-2011, 08:42 PM   #1
headmower
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enabling Execute Disable mode in bios on Acer Aspire 5741(Ubuntu 10.10 upgrade)


I can get into the BIOS just fine but cannot find anything such as NX or Exucute Disable mode( on or off) Does anyone have any ideas? I contacted Acer support and they may be able to help only if I pay for their support. AS of now I have Ubuntu 10.4 installed and upgraded to 10.10 but have black screen with message about (NX) or Execute Disable in bios.
THANKS in advance. I hope this question is not too dumb!
The message says---This CPU is family 6, model 37, and has NX capabilities but is unable to use these protective features because the BIOS is configured to disable the capability. Please enable this in your BIOS. I have windows 7 professional on one partition and Ubuntu on the other partition. I can still access Ubuntu 10.4. but have the black screen on 10.10

Last edited by headmower; 01-04-2011 at 08:47 PM.
 
Old 01-05-2011, 04:47 AM   #2
Noway2
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See this link and this link for more information on this issue. BTW, I googled "ubuntu 10.10 bios nx capability" and saw a boat load of hits on this issue so if these don't help, try some of the other results.

The short answer is that there does not appear to be a way for (most) to enable this feature in the BIOS. The work around is the following command:
Code:
sudo rm /etc/update-motd.d/20-cpu-checker
The catch-22 being that I think you need to have the system running to use this command. Can you launch a root-recovery shell (from the grub menu) and try the command that way?
 
Old 01-05-2011, 09:12 AM   #3
headmower
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Quote:
Originally Posted by Noway2 View Post
See this link and this link for more information on this issue. BTW, I googled "ubuntu 10.10 bios nx capability" and saw a boat load of hits on this issue so if these don't help, try some of the other results.

The short answer is that there does not appear to be a way for (most) to enable this feature in the BIOS. The work around is the following command:
Code:
sudo rm /etc/update-motd.d/20-cpu-checker
The catch-22 being that I think you need to have the system running to use this command. Can you launch a root-recovery shell (from the grub menu) and try the command that way?
I was able to try the command you posted but got the following result: No such file or directory.
 
Old 01-06-2011, 05:04 AM   #4
Noway2
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You might want to cd to this directory and see if the file exists. I did some checking on my own systems and it does exist in Ubuntu 10.10 but not on the earlier systems. This could explain why your 10.04 worked and 10.10 didn't. The file is just an executable script that links to /usr/lib/update-notifier/update-motd-cpu-checker.
 
  


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