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Old 11-03-2010, 05:20 AM   #1
venki497
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problem in booting..error: grub rescue>


hi everyone...i am new to ububtu.i installed windows 7 and ubuntu 10.1 on my machine in different partitons..a request appeared in ubuntu to update my grub in ubuntu and tried to update it..i cancelled the update as it took more time and shut down the system.when i tried to restart the system..it is not booting and showing the error message:
error:no such device :5f7a4105-7c05-450a-a753-36f9f9b26922
grub rescue>
please help...
i read the similar articles but not able to understand as i am new to ubuntu and this technical terms:-(
 
Old 11-03-2010, 05:28 AM   #2
EDDY1
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ubuntu livecd will boot it. Did you get the server cd or desktop version? The server cd is easier for us newbies to understand has more uptions.
 
Old 11-03-2010, 11:14 AM   #3
yancek
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The error indicates your system is looking for a partition with that UUID number. Check to see if it exists by running command in terminal: blkid

Might help to post the output here as well as partition information:

sudo fdisk -l (lower case Letter L in command)
 
Old 11-06-2010, 06:30 AM   #4
venki497
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@eddy..i have ubuntu 9.1 desktop version cd..hpw to use it to solve the problem
 
Old 11-06-2010, 06:33 AM   #5
venki497
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@yancek..when my sytem turns on it is coming like this..
error:no such device :5f7a4105-7c05-450a-a753-36f9f9b26922
grub rescue>
i tried both the commands but it says
unknown command blkid..and
unknown command sudo...for the second command
 
Old 11-06-2010, 02:50 PM   #6
indianromeo1975
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Did you try to boot the machine from the Ubuntu CD and then selecting the rescue option?
 
Old 11-07-2010, 01:27 AM   #7
EDDY1
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ubuntu 9.1 shows live-cd you should be able boot from it. Wait for it to load if it asks choose "try ubuntu", look in example file it will be the only thing there other than install icon.
 
Old 11-07-2010, 09:24 AM   #8
venki497
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i did then i can run ubuntu without installing it..but how to recover the previous os(windows 7)
 
Old 11-08-2010, 05:43 AM   #9
EDDY1
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When you "try Ubuntu", look in files:
usr->-share->-applications
click on root terminal

1. "apt-get install grup-pc" or sudo apt-get install grub-pc
If it tells you that you have the newest grub, try
2. "os-prober" then "update-grub"

Also "os-prober" is a package
If command not found, "apt-get install"
If you use sudo use on all of these commands.
 
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Old 11-08-2010, 05:43 AM   #10
EDDY1
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When you "try Ubuntu", look in files:
usr->-share->-applications
click on root terminal

1. "apt-get install grup-pc" or sudo apt-get install grub-pc
If it tells you that you have the newest grub, try
2. "os-prober" then "update-grub"

Also "os-prober" is a package
If command not found, "apt-get install"
If you use sudo use on all of these commands.

If you get your grub together you will be able to boot if you didn't erase any of your windows files. os-prober looks for all os'es.

Last edited by EDDY1; 11-08-2010 at 05:53 AM.
 
  


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