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I have been using Ubuntu for a while but not very good in terminal commands or solving issues. I have a problem with booting up when I attach my GPU, where grub freezes to a black screen. If detach the GPU the system boots fine. By the way I have 4 Radeon HD 7990 MSI GPUs where 3 are on 16x1 raisers and 1 is on 16x16 raiser. The GPU on 16x1 seem not conflict the boot as I don't need to unplug them to have successful boot.

I have reinstalled the latest Catalyst drivers and set the grub to nomodeset (following this tutorial) but it hasn't worked. I even tried a fix with boot repair and here is the url paste it gave me: http://paste.ubuntu.com/7936415/

I have a APU A10 processor with a A88X mobo so I am not sure if that conflicts...

Can someone help please, let me know if you need any other info

Cheers Vini

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ervin
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1 Answers1

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Try using "nomodeset" in the boot loader

-Hold Left Shift during power on to get into GRUB -Press 'e' to edit the boot command line -Locate the Linux line that has other commands like quiet and nosplash -Add "nomodeset" (w/out quotes) to the line (I usually place it after "quiet") -Press F10 to boot -Once logged in, install the proprietary driver

With add-in cards the other problem I have experienced before is Linux trying to use the wrong device, I don't remember the commands to resolve that though, it involved grep'ing the PCIe bus address of the card and editing a file somewhere to point the system to it.

user124836
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