mohammed@mohammed-laptop:~$ compiz --replace
/usr/bin/compiz.real (core) - Fatal: No GLXFBConfig for default depth, this isn't going to work.
/usr/bin/compiz.real (core) - Error: Failed to manage screen: 0
/usr/bin/compiz.real (core) - Fatal: No manageable screens found on display :0.0
Window manager warning: "" found in configuration database is not a valid value for keybinding "toggle_shaded"
كان شغال بس الان يرفض ويطلع لي الرسالة السابقة .