problem using ubuntu.

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I recently installed ubuntu by deleting win7.but mistakenly I enabled sudo command in setting at start up.whenever I reboot the welcome screen starts with sudo command console.I don't know any command!.I want to disable it and also I want to remove (permanently) ubuntu.(I don't want to get any data loss)plz help....
I am totally new for ubuntu...
if possible provide image for the solution(thanks in advance)

nilukumar said:
I recently installed ubuntu by deleting win7.but mistakenly I enabled sudo command in setting at start up.whenever I reboot the welcome screen starts with sudo command console.I don't know any command!.I want to disable it and also I want to remove (permanently) ubuntu.(I don't want to get any data loss)plz help....
I am totally new for ubuntu...
if possible provide image for the solution(thanks in advance)

Assuming that you have data on other drives, simply format+reinstall will get you back to windows

You have already deleted windows and now want to delete ubuntu and reinstall windows. Right?

U

Try typing gdm3

nilukumar said:
I recently installed ubuntu by deleting win7.but mistakenly I enabled sudo command in setting at start up.whenever I reboot the welcome screen starts with sudo command console.I don't know any command!.I want to disable it and also I want to remove (permanently) ubuntu.(I don't want to get any data loss)plz help....
I am totally new for ubuntu...
if possible provide image for the solution(thanks in advance)

Hey type this code

Code:

cd [COLOR=#333333][FONT=UbuntuRegular]/etc/X11
sudo rm -f xorg.conf

Type your password when prompted
now restart and see if it works fine
[/FONT][/COLOR]

if you are swriting from windows, always install in a dual boot in a separate partition, linux requires some time to get familiar with it, but its worth as its free works out of the box with almost all computers