I have the same problem after the last updates, my external monitor blinking randomly! monitor is https://www.asus.com/Displays- Desktops/Monitors/Eye-Care/VC239H/
$ hostnamectl Icon name: computer-laptop Chassis: laptop Operating System: Fedora Linux 35 (Workstation Edition) CPE OS Name: cpe:/o:fedoraproject:fedora:35 Kernel: Linux 5.15.11-200.fc35.x86_64 Architecture: x86-64 Hardware Vendor: ASUSTeK COMPUTER INC. Hardware Model: N56VJ $ sudo lshw -C display *-display description: VGA compatible controller product: GF108M [GeForce GT 635M] vendor: NVIDIA Corporation physical id: 0 bus info: pci@0000:01:00.0 version: a1 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress vga_controller bus_master cap_list rom configuration: driver=nvidia latency=0 resources: irq:29 memory:f6000000-f6ffffff memory:e0000000-efffffff memory:f0000000-f1ffffff ioport:e000(size=128) memory:f7000000-f707ffff *-display description: VGA compatible controller product: 3rd Gen Core processor Graphics Controller vendor: Intel Corporation physical id: 2 bus info: pci@0000:00:02.0 version: 09 width: 64 bits clock: 33MHz capabilities: msi pm vga_controller bus_master cap_list configuration: driver=i915 latency=0 resources: irq:27 memory:f7400000-f77fffff memory:d0000000-dfffffff ioport:f000(size=64) memory:c0000-dffff $ rpm -qa |grep xorg-x11-server xorg-x11-server-common-1.20.14-1.fc35.x86_64 xorg-x11-server-Xorg-1.20.14-1.fc35.x86_64 xorg-x11-server-Xephyr-1.20.14-1.fc35.x86_64 xorg-x11-server-Xwayland-21.1.4-1.fc35.x86_64 -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/349943 Title: Screen blinks randomly on external monitor To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/349943/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp