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  1. #1
    Join Date
    Jul 2018
    Location
    Hanoi, Vietnam
    Posts
    3
    Linux (Fedora) Firefox 61.0

    Screen flickering on Activities screen

    Hello everyone,

    I am a brand new Linux user. I'm normally an Apple guy, but I bought a cheap laptop for when I need to use Google apps (I'm a school principal, I normally carry an iPad Pro, but you can't utilize all of the Google Apps, like the new Sites, on an iPad Pro). It had been a while since I used Windows, realized how much I hated it, so I decided to give Fedora a try.

    I love everything about Fedora, but there is one tiny nuisance: when I am on the Activities screen, the screen will flicker at the very top as if there is a graphics driver problem. It did not happen in Windows 10, but it happens almost every time I go to the Activities screen. When I am using Firefox or any other program, it does not occur.

    I know I'm being nitpicky, but the flicker is really annoying and I'm wondering if there is something that I can do about it. I have looked all over Google, but I am a novice when it comes to computers (I had a difficult time installing Fedora). I also searched these forums, but the solutions were all about Nvidia and I have an Intel graphics card.

    Any help you can provide would be very much appreciated. I read the sticky thread at the top of the forums, so here is the computer information that is requested:

    System:
    Host: localhost.localdomain Kernel: 4.17.3-200.fc28.x86_64 x86_64 bits: 64
    compiler: gcc v: 8.1.1 Console: tty 0
    Distro: Fedora release 28 (Twenty Eight)
    Machine:
    Type: Laptop System: ASUSTeK
    product: VivoBook 14_ASUS Laptop X407MA_X407MA v: 1.0 serial: <filter>
    Mobo: ASUSTeK model: X407MA v: 1.0 serial: <filter>
    UEFI: American Megatrends v: X407MA.204 date: 03/07/2018
    Battery:
    ID-1: BAT0 charge: 35.0 Wh condition: 35.0/33.2 Wh (105%)
    model: ASUSTeK ASUS Battery status: Discharging
    Memory:
    Array-1: capacity: 8 GiB slots: 2 EC: None max module size: 4 GiB
    note: est.
    Device-1: A1_DIMM0 size: No Module Installed
    Device-2: A1_DIMM1 size: 4 GiB speed: 2400 MT/s type: DDR4
    CPU:
    Topology: Dual Core model: Intel Celeron N4000 bits: 64 type: MCP
    arch: N/A L2 cache: 4096 KiB
    flags: lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx bogomips: 4377
    Speed: 884 MHz min/max: 800/2600 MHz Core speeds (MHz): 1: 796 2: 796
    Graphics:
    Card-1: Intel driver: i915 v: kernel bus ID: 00:02.0
    Display: server: X.org 1.19.6 driver: i915 tty: 80x24
    Message: Advanced graphics data unavailable for root. Old System?
    Audio:
    Card-1: Intel driver: snd_hda_intel v: kernel bus ID: 00:0e.0
    Sound Server: ALSA v: k4.17.3-200.fc28.x86_64
    Network:
    Card-1: Realtek RTL8723BE PCIe Wireless Network Adapter driver: rtl8723be
    v: kernel port: e000 bus ID: 01:00.0
    IF: wlo1 state: up mac: <filter>
    IF-ID-1: virbr0 state: down mac: <filter>
    IF-ID-2: virbr0-nic state: down mac: <filter>
    Drives:
    HDD Total Size: 946.04 GiB used: 7.57 GiB (0.8%)
    ID-1: /dev/sda vendor: Seagate model: ST1000LM035-1RK172 size: 931.51 GiB
    temp: 43 C
    ID-2: /dev/sdb type: USB vendor: SanDisk model: Cruzer Blade
    size: 14.53 GiB
    Partition:
    ID-1: / size: 48.97 GiB used: 5.40 GiB (11.0%) fs: ext4 dev: /dev/dm-0
    ID-2: /boot size: 975.9 MiB used: 159.5 MiB (16.3%) fs: ext4
    dev: /dev/sda2
    ID-3: /home size: 861.75 GiB used: 243.6 MiB (0.0%) fs: ext4
    dev: /dev/dm-2
    ID-4: swap-1 size: 3.80 GiB used: 40.2 MiB (1.0%) fs: swap dev: /dev/dm-1
    Sensors:
    System Temperatures: cpu: 50.0 C mobo: N/A
    Fan Speeds (RPM): N/A
    Info:
    Processes: 235 Uptime: 1h 16m Memory: 3.68 GiB used: 1.95 GiB (53.0%)
    Init: systemd runlevel: 5 Compilers: gcc: 8.1.1 Shell: bash v: 4.4.23
    inxi: 3.0.14

  2. #2
    Join Date
    Apr 2018
    Location
    Finland
    Posts
    40
    Linux (Fedora) Chrome 67.0.3396.79

    Re: Screen flickering on Activities screen

    I'm also noob for linux stuff, but I've had some small graphics issues(though a bit different) and disabling wayland helped me. To disable wayland just add/uncomment WaylandEnable=flase line in /etc/gdm/custom.conf and reboot.
    Though I have AMD graphics this might still help you. If you haven't already tried it.

  3. #3
    Join Date
    Jul 2018
    Location
    Hanoi, Vietnam
    Posts
    3
    Linux (Fedora) Firefox 61.0

    Re: Screen flickering on Activities screen

    Quote Originally Posted by keikari
    I'm also noob for linux stuff, but I've had some small graphics issues(though a bit different) and disabling wayland helped me. To disable wayland just add/uncomment WaylandEnable=flase line in /etc/gdm/custom.conf and reboot.
    Though I have AMD graphics this might still help you. If you haven't already tried it.
    Thank you for this! I did not know how to edit the file that you instructed me to, so I looked for instructions on how to do so. I did not find those instructions, but I did find others (by doing a search for the file you mentioned) with the same problem and they fixed it by switching to Gnome Xorg at the sign-in screen (which seems to switch from wayland to xorg). So far, the flickering has not occurred.

  4. #4
    Join Date
    Apr 2018
    Location
    Finland
    Posts
    40
    Linux (Fedora) Chrome 67.0.3396.79

    Re: Screen flickering on Activities screen

    Yup, seems to do same thing. If you need to do some changes to system files in future, you can open text editor from terminal as root user which allows you to save changes in file(if that was the issue).
    Code:
    sudo gedit /etc/gdm/custom.conf
    (It doesn't have to be gedit, it can be any text editor).
    Last edited by keikari; 12th July 2018 at 12:46 PM.

  5. #5
    Join Date
    Jul 2018
    Location
    Hanoi, Vietnam
    Posts
    3
    iOS  11.4 (iPad) Chrome 67.0.3396.87

    Re: Screen flickering on Activities screen

    Quote Originally Posted by keikari
    Yup, seems to do same thing. If you need to do some changes to system files in future, you can open text editor from terminal as root user which allows you to save changes in file(if that was the issue).
    Code:
    sudo gedit /etc/gdm/resolconf
    (It doesn't have to be gedit, it can be any text editor).
    Great! Thank you.

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