Possible Duplicate:
How to fix “The system is running in low-graphics mode” error?
I am totally new to Linux, and Ubuntu.
I bought ASUS X53E Notebook, erased Windows and installed Ubuntu. First it worked ok.
Then when I started working with it, I opened the terminal, entered sudo chmod 666 /usr
and then all the icons from the main panel disappeared + the whole system stopped responding.
I decided to restart the system. When restarted, a message appears:
the system is running in low graphics mode
and below it:
Your screen, graphics card and input device setting could not be detected correctly. You will need to configure it yourself.
But the "OK" button is disabled and if I press any buttons nothing happens.
If I enter Ctrl-Alt-F2
it opens the bash terminal. But there commands sudo
or apt-get
are not found and it says that permission denied
if i try to enter any folder like cd /usr
If I enter the su
command it asks for the password I don't know.
When encountering this problem first, I reinstalled the whole Ubuntu. but today it happened again just the same.
What shall I do?
+x +r +w
options forchmod
. For the start they are much more easy to use.