tigran@tigran-desktop:~$ sudo xrandr --newmode "1920x1080_60.00"  173.00  1920 2048 2248 2576  1080 1083 1088 1120 -hsync +vsync
X Error of failed request:  BadName (named color or font does not exist)
  Major opcode of failed request:  153 (RANDR)
  Minor opcode of failed request:  16 (RRCreateMode)
  Serial number of failed request:  18
  Current serial number in output stream:  18
tigran@tigran-desktop:~$