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Black screen after Ubuntu Server 20.04.3 installation / freeze on GRUB 21.10

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Over the weekend I’ve tried installing Ubuntu server on my old HP Pavilion dv7 laptop but unfortunately, I’m unable to accomplish this seemingly simple task and I don’t know what to do anymore. This place is my last hope.

The problem is that Ubuntu Server 20.04.3 launches into a black screen after installation and Ubuntu Server 21.10 doesn’t even boot the install. Below is what I have done and the result:

Ubuntu Server 20.04.3:

  • Download + verified the SHA256 checksum
  • Created a bootable USB stick with balenaEtcher (1.7.1) on three different pendrives and than have tried the same with rufun (3.17.1846).
  • Went through the installation with no problems
  • When rebooting after the installation I get a completely black screen, probably due to having two graphics cards in that laptop dedicated and an integrated one but I may be wrong with my diagnosis. Anyway, to fix that I’ve tried pressing the right shift to enter GRUB but all I get is “GRUB loading.” and it’s pretty much stuck there, no input works.

Ubuntu Server 21.10:

  • Download + verified the SHA256 checksum
  • Created a bootable USB stick with balenaEtcher (1.7.1) on three different pendrives and than have tried the same with rufun (3.17.1846).
  • When booting the install all the display says is “GRUB” and it is stuck there with no input working. When using the right shift on start it displays “GRUB loading.” and again its stuck there with no input working.

I’ve also have tried adding the patch for older BIOS in Rufus (3.17.1846) and the alternative to iso mode but to no avail.

HP Pavilion dv7 specs:

  • Product number: A6H90EA#AKD
  • Intel Core i7-21670QM
  • Ram: 4 GB DDR3
  • BIOS: F.1B
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