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hyper-v white black window

Writer Sebastian Wright

My host system is Windows Pro x64

When I open a hyper-v window, short seeing the hyper-v text. It is switching to that view:

As guest I tried arch, ubuntu and ubuntu-server. I also tried Gen1 and Gen2 both don't working. A buggy work around just with arch is to press enter on not visible bootmenu. After the save and start, but this don't working on ubuntu.

Any idea would help.

1 Answer

It's a known problem between GRUB and Hyper-V during the installation. You can solve the problem with few steps.

Requirement

  • SSH Server on VM

You need to check SSH Server at the installation to access to your VM without Hyper-V viewer.

Solve black screen issue

Before any modification, be sure that you saved the files with : cp <file> <file>.old

Connect to your VM through SSH (e.g. using PuTTY or WinSCP) and edit the grub file :

sudo vim /etc/default/grub

Delete "quiet splach" attribute in lines :

GRUB_CMDLINE_LINUX_DEFAULT=""
GRUB_CMDLINE_LINUX=""

Uncomment the line :

GRUB_TERMINAL=console

Save the file before exit.

You also need to update grub to apply the new configuration :

sudo update-grub

Reboot your VM with the following command :

sudo reboot

Try to access it through Hyper-V viewer.

1

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