I am running X11 server, here is the output of an lspci:

# lspci
00:00.0 Host bridge: Intel Corporation Ice Lake-LP Processor Host Bridge/DRAM Registers (rev 03)
00:02.0 VGA compatible controller: Intel Corporation Iris Plus Graphics G7 (rev 07)
00:04.0 Signal processing controller: Intel Corporation Processor Power and Thermal Controller (rev 03)
00:07.0 PCI bridge: Intel Corporation Ice Lake Thunderbolt 3 PCI Express Root Port #0 (rev 03)
00:0d.0 USB controller: Intel Corporation Ice Lake Thunderbolt 3 USB Controller (rev 03)
00:0d.2 System peripheral: Intel Corporation Ice Lake Thunderbolt 3 NHI #0 (rev 03)
00:14.0 USB controller: Intel Corporation Ice Lake-LP USB 3.1 xHCI Host Controller (rev 30)
00:14.2 RAM memory: Intel Corporation Ice Lake-LP DRAM Controller (rev 30)
00:14.3 Network controller: Intel Corporation Ice Lake-LP PCH CNVi WiFi (rev 30)
00:15.0 Serial bus controller: Intel Corporation Ice Lake-LP Serial IO I2C Controller #0 (rev 30)
00:15.1 Serial bus controller: Intel Corporation Ice Lake-LP Serial IO I2C Controller #1 (rev 30)
00:16.0 Communication controller: Intel Corporation Ice Lake-LP Management Engine (rev 30)
00:1d.0 PCI bridge: Intel Corporation Ice Lake-LP PCI Express Root Port #9 (rev 30)
00:1d.4 PCI bridge: Intel Corporation Device 34b4 (rev 30)
00:1e.0 Communication controller: Intel Corporation Ice Lake-LP Serial IO UART Controller #0 (rev 30)
00:1e.3 Serial bus controller: Intel Corporation Ice Lake-LP Serial IO SPI Controller #1 (rev 30)
00:1f.0 ISA bridge: Intel Corporation Ice Lake-LP LPC Controller (rev 30)
00:1f.3 Audio device: Intel Corporation Ice Lake-LP Smart Sound Technology Audio Controller (rev 30)
00:1f.4 SMBus: Intel Corporation Ice Lake-LP SMBus Controller (rev 30)
00:1f.5 Serial bus controller: Intel Corporation Ice Lake-LP SPI Controller (rev 30)
2b:00.0 Non-Volatile memory controller: Micron/Crucial Technology Device 5412
2c:00.0 Non-Volatile memory controller: Phison Electronics Corporation E18 PCIe4 NVMe Controller (rev 01)

On Tue, 2022-10-04 at 09:18 -0600, Sbob wrote:

All;


I am running Fedora 35 on a LG Gram 17


Its been running great, however yesterday I upgraded the kernel from:

  5.19.11-100.fc35.x86_64

  to:

  5.19.12-100.fc35.x86_64


Now if I boot into the latest kernel my external monitor is no longer
reckognized, if I boot the new kernel with the external monitor
attached 
I never get a login prompt but I just get a black screen



Thoughts on how to debug?

Not really, but it would probably be useful to state your video driver
(AMD, Nvidia proprietary, Intel, Nvidia free etc.) and display server
(X11, Wayland), e.g. for me:

$ inxi -G
Graphics:
  Device-1: Intel IvyBridge GT2 [HD Graphics 4000] driver: i915 v: kernel
  Device-2: NVIDIA GP107 [GeForce GTX 1050] driver: nvidia v: 515.65.01
  Display: x11 server: X.Org v: 1.20.14 with: Xwayland v: 22.1.3 driver: X:
    loaded: modesetting,nouveau,nvidia unloaded: fbdev,vesa gpu: i915
    resolution: 1920x1080~60Hz
  OpenGL: renderer: Mesa Intel HD Graphics 4000 (IVB GT2) v: 4.2 Mesa
    22.1.7

poc
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