Score:0

POST and GRUB give blank/black screen but login screen appears eventually. Nvida K600

cn flag

I've changed the video card and now I'm missing the POST and GRUB output, nothing is displayed to begin with, I hear four individual beeps ~10s apart then see a flashing cursor before the screen goes black again (something I've done means I currently get blocky noise on the screen) and then displays the login GUI. It runs fine after that, but I need to get the initial low level boot output back for supportability.

I've installed the latest Nvida driver - 418 - which lists the Quadro K600 as supported. I've also tried the 390 driver suggested in the post below but it makes no difference.

Grub contains GRUB_CMDLINE_LINUX_DEFAULT="nomodeset...

I've followed this post Black screen at boot after Nvidia driver installation on Ubuntu 18.04.2 LTS but can't clear the issue.

20.04.2 dual boot, with a Nvidia Quadro K600 video card.

Any pointers?

Score:0
cn flag

Was unable to access UEFI interface until the motherboard backup was cleared (battery removed whilst power off); GRUB is back now... the Nvida version makes no difference to this issue.

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