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While running an Ubuntu kernel (not a mainline or third-party kernel)
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apport-collect 2024431

and then change the status of the bug to 'Confirmed'.

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This change has been made by an automated script, maintained by the
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** Changed in: linux (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/2024431

Title:
  5.15.0-75 hdmi monitor no signal

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  Laptop with 2 external screens (1x HDMI, 1x VGA)

  On 5.15.0-75 HDMI monitors receive no signal (tested with 2 different
  monitors)

  Works with 5.15.0-73

  > cat /proc/version_signature
  Ubuntu 5.15.0-73.80-generic 5.15.98

  
  > inxi -bG
  System:
    Host: HESSEL-MSI-MINT Kernel: 5.15.0-73-generic x86_64 bits: 64
      Desktop: Cinnamon 5.6.8 Distro: Linux Mint 21.1 Vera
  Machine:
    Type: Desktop System: Micro-Star product: GE70 2PC v: REV:1.0
      serial: <superuser required>
    Mobo: Micro-Star model: MS-1759 v: REV:0.B serial: <superuser required>
      UEFI: American Megatrends v: E1759IMS.62D date: 04/13/2015
  Battery:
    ID-1: BAT1 charge: 39.5 Wh (100.0%) condition: 39.5/57.7 Wh (68.4%)
  CPU:
    Info: quad core Intel Core i7-4710HQ [MT MCP] speed (MHz): avg: 1975
      min/max: 800/3500
  Graphics:
    Device-1: Intel 4th Gen Core Processor Integrated Graphics driver: i915
      v: kernel
    Device-2: NVIDIA GM107M [GeForce GTX 850M] driver: N/A
    Device-3: Suyin USB 2.0 Webcam Device type: USB driver: uvcvideo
    Display: x11 server: X.Org v: 1.21.1.4 driver: X: loaded: modesetting
      unloaded: fbdev,vesa gpu: i915 resolution: 1: 1920x1080~60Hz
      2: 1080x1920~60Hz 3: 1920x1080~60Hz
    OpenGL: renderer: Mesa DRI Intel HD Graphics 4600 (HSW GT2)
      v: 4.5 Mesa 21.3.7 Amber
  Network:
    Device-1: Qualcomm Atheros Killer E220x Gigabit Ethernet driver: alx
    Device-2: Intel Wireless 3160 driver: iwlwifi
    Device-3: Intel Bluetooth wireless interface type: USB driver: btusb
  Drives:
    Local Storage: total: 685.61 GiB used: 442.02 GiB (64.5%)
  Info:
    Processes: 379 Uptime: 10m Memory: 15.37 GiB used: 5.01 GiB (32.6%)
    Shell: Bash inxi: 3.3.13

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