Had same frozen display problem with Ubuntu, most times coincident with a very busy video adapter (MVP, Gimp, GMaps..) Hardware: Laptop Acer Aspire 5735Z Ubuntu 18.10 Linux 4.18.0-13-generic
Workaround: sudo nano /usr/share/X11/xorg.conf.d/20-intel.conf ...add Section "Device" Identifier "Intel Graphics" Driver "intel" Option "AccelMethod" "sna" Option "TearFree" "true" Option "DRI" "3" EndSection
Result: Still ok after several hours and tasks.
Had same frozen display problem with Ubuntu, most times coincident with a very busy video adapter (MVP, Gimp, GMaps..)
Hardware: Laptop Acer Aspire 5735Z
Ubuntu 18.10
Linux 4.18.0-13-generic
Workaround: X11/xorg. conf.d/ 20-intel. conf
sudo nano /usr/share/
...add
Section "Device"
Identifier "Intel Graphics"
Driver "intel"
Option "AccelMethod" "sna"
Option "TearFree" "true"
Option "DRI" "3"
EndSection
Result: Still ok after several hours and tasks.