HI Gnanendra,

What version of the kernel are you using?   This patch from comment #6
appears to already be in jammy

https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1969105

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https://bugs.launchpad.net/bugs/1981554

Title:
  [Ubuntu-22.04] Video mode is not working  with the external monitor

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  Description: 
  The SUT Dell EMC Poweredge R440 can not display video mode with external 
monitor when Ubuntu 22.04 boots. The video mode working properly under iDRAC 
virtual console.

  Steps to Reproduce:
  1. Connect External monitor to SUT using VGA cable.
  2. Mount ubuntu-22.04-live-server-amd64.iso by iDRAC virtual console.
  3. Start to install the OS and click "Try or Install Ubuntu server".
  4. The SUT can not display video mode with monitor when OS boots.

  
  Expected Results:
  Video mode should work properly when OS boots with external monitor.

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