Verdiğiniz linkteki işlemleri yaptım. çıktıları paylaşıyorum
murat[member=289]murat[/member]-MS-7693:~$ sudo xed /etc/lightdm/lightdm.conf.d/lightdm-res
[sudo] password for murat:
(xed:3067): Gdk-CRITICAL **: 16:01:00.637: gdk_window_get_window_type: assertion 'GDK_IS_WINDOW (window)' failed
** (xed:3067): WARNING **: 16:02:26.352: Set document metadata failed: Öznitelik metadata::xed-spell-language ataması desteklenmiyor
** (xed:3067): WARNING **: 16:02:26.352: Set document metadata failed: Öznitelik metadata::xed-encoding ataması desteklenmiyor
** (xed:3067): WARNING **: 16:02:27.745: Set document metadata failed: Öznitelik metadata::xed-position ataması desteklenmiyor
murat[member=289]murat[/member]-MS-7693:~$ sudo chmod +x /etc/lightdm/lightdm.conf.d/lightdm-res
murat[member=289]murat[/member]-MS-7693:~$ sudo xed /etc/lightdm/lightdm.conf.d/70-linuxmint.conf
(xed:3183): Gdk-CRITICAL **: 16:02:43.367: gdk_window_get_window_type: assertion 'GDK_IS_WINDOW (window)' failed
** (xed:3183): WARNING **: 16:03:44.429: Set document metadata failed: Öznitelik metadata::xed-spell-language ataması desteklenmiyor
** (xed:3183): WARNING **: 16:03:44.429: Set document metadata failed: Öznitelik metadata::xed-encoding ataması desteklenmiyor
** (xed:3183): WARNING **: 16:03:45.930: Set document metadata failed: Öznitelik metadata::xed-position ataması desteklenmiyor
murat[member=289]murat[/member]-MS-7693:~$ cat /etc/lightdm/lightdm.conf.d/lightdm-res
xrandr --newmode "yenivga" 106.50 1440 1528 1672 1904 900 903 909 934 -hsync +vsync
xrandr --addmode VGA-0 "yenivga"
xrandr --output VGA-0 --mode "yenivga"
murat[member=289]murat[/member]-MS-7693:~$ cat /etc/lightdm/lightdm.conf.d/70-linuxmint.conf
[SeatDefaults]
user-session=mate
display-setup-script=/etc/lightdm/lightdm.conf.d/lightdm-res