Screen Lock button has disappeared

Today I noticed that the screen lock button has disappeared. "Super+L" also doesn't work.
I created another user account and everything works fine there.

The software that I installed recently:

  • phoronix test suite
  • sublimetext
  • virtualbox

My conf:

  Host: TGT-IT-01 Kernel: 5.3.8-3-MANJARO x86_64 bits: 64 compiler: gcc 
  v: 9.2.0 Desktop: Gnome 3.34.1 wm: gnome-shell dm: GDM 3.34.1 
  Distro: Manjaro Linux 
  Type: Desktop System: Gigabyte product: B365M D3H v: N/A serial: <filter> 
  Mobo: Gigabyte model: B365M D3H-CF v: x.x serial: <filter> 
  UEFI: American Megatrends v: F1 date: 05/14/2019 
  Topology: 8-Core model: Intel Core i7-9700F bits: 64 type: MCP 
  arch: Kaby Lake rev: D L2 cache: 12.0 MiB 
  flags: avx avx2 lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx 
  bogomips: 48016 
  Speed: 2520 MHz min/max: 800/4700 MHz Core speeds (MHz): 1: 1629 2: 1706 
  3: 2009 4: 2025 5: 2032 6: 1633 7: 1648 8: 2021 
  Device-1: NVIDIA GP108 [GeForce GT 1030] driver: nvidia v: 418.88 
  bus ID: 01:00.0 chip ID: 10de:1d01 
  Display: x11 server: 1.20.5 driver: nvidia compositor: gnome-shell 
  resolution: <xdpyinfo missing> 
  OpenGL: renderer: GeForce GT 1030/PCIe/SSE2 v: 4.6.0 NVIDIA 418.88 
  direct render: Yes 
  Device-1: Intel 200 Series PCH HD Audio vendor: Gigabyte 
  driver: snd_hda_intel v: kernel bus ID: 00:1f.3 chip ID: 8086:a2f0 
  Device-2: NVIDIA GP108 High Definition Audio driver: snd_hda_intel 
  v: kernel bus ID: 01:00.1 chip ID: 10de:0fb8 
  Device-3: Logitech 960 Headset type: USB 
  driver: hid-generic,snd-usb-audio,usbhid bus ID: 1-5:2 chip ID: 046d:0a45 
  serial: <filter> 
  Sound Server: ALSA v: k5.3.8-3-MANJARO 
  Device-1: Intel Ethernet I219-V vendor: Gigabyte driver: e1000e v: 3.2.6-k 
  port: f000 bus ID: 00:1f.6 chip ID: 8086:15b8 
  IF: eno1 state: up speed: 1000 Mbps duplex: full mac: <filter> 
  Local Storage: total: 2.29 TiB used: 311.74 GiB (13.3%) 
  ID-1: /dev/nvme0n1 vendor: A-Data model: SX6000PNP size: 476.94 GiB 
  speed: 31.6 Gb/s lanes: 4 serial: <filter> rev: V9001c27 scheme: GPT 
  ID-2: /dev/sda vendor: Seagate model: ST2000DM008-2FR102 size: 1.82 TiB 
  speed: 6.0 Gb/s rotation: 7200 rpm serial: <filter> rev: 0001 scheme: MBR 
  ID-1: / size: 468.16 GiB used: 61.91 GiB (13.2%) fs: ext4 
  dev: /dev/nvme0n1p2 
  System Temperatures: cpu: 36.0 C mobo: N/A gpu: nvidia temp: 34 C 
  Fan Speeds (RPM): N/A gpu: nvidia fan: 45% 
  Processes: 377 Uptime: 32m Memory: 15.58 GiB used: 4.90 GiB (31.4%) 
  Init: systemd v: 242 Compilers: gcc: 9.2.0 Shell: bash v: 5.0.11 
  running in: gnome-terminal inxi: 3.0.36 

Hello and welcome to Manjaro Community.

Ιn your position I would confirm if the lock screen is disabled.
Open "dconf Editor" and navigate to /org/gnome/desktop/lockdown/ ... Ensure that disable-lock-screen is not enabled.

Or run through the terminal

gsettings set org.gnome.desktop.lockdown disable-lock-screen false


1 Like

Thank you! That helped!

1 Like

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