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Maui Forums › Maui Support › Installation › Black screen on boot

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Black screen on boot
AJSlye Offline
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Joined: Apr 2014
Posts: 3,478
#11
31st August 2016, 22:14
You have the steps wrong:
edit grub and remove quiet splash
press ctrl+x to continue the boot using those settings
when your at the black screen hit ctrl+f1.
do you have a login prompt?
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LNXlady Offline
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Joined: Apr 2013
Posts: 119
#12
31st August 2016, 23:12
(31st August 2016, 22:14)AJSlye Wrote: You have the steps wrong:
edit grub and remove quiet splash
press ctrl+x to continue the boot using those settings
when your at the black screen hit ctrl+f1.
do you have a login prompt?

Oh, no I had already tried that. No prompt.
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AJSlye Offline
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Joined: Apr 2014
Posts: 3,478
#13
1st September 2016, 1:20
Do you get any terminal output with quiet splash?
You should see text scrolling like systemd xxxx, etc., etc..
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LNXlady Offline
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#14
1st September 2016, 1:31
(1st September 2016, 1:20)AJSlye Wrote: Do you get any terminal output with quiet splash?
You should see text scrolling like systemd xxxx, etc., etc..

No, as soon as I hit ctrlx to boot, the screen blanks.
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AJSlye Offline
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Joined: Apr 2014
Posts: 3,478
#15
1st September 2016, 2:09 (This post was last modified: 1st September 2016, 2:10 by AJSlye.)
Then grub is not loading the kernel, systemd, etc.
You'll need to rescue the system, the easiest way to do this is with a live media.
You can either use the Maui install ISO, and install (use) the boot-repair tool:
Code:
sudo add-apt-repository -y ppa:yannubuntu/boot-repair; \
sudo apt-get update; \
sudo apt-get install -y --force-yes boot-repair && boot-repair

Or download the boot-repair-tool ISO and create a live USB with it:
https://sourceforge.net/projects/boot-repair-cd/
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LNXlady Offline
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Joined: Apr 2013
Posts: 119
#16
1st September 2016, 3:14
(1st September 2016, 2:09)AJSlye Wrote: Then grub is not loading the kernel, systemd, etc.
You'll need to rescue the system, the easiest way to do this is with a live media.
You can either use the Maui install ISO, and install (use) the boot-repair tool:

Code:
sudo add-apt-repository -y ppa:yannubuntu/boot-repair; \
sudo apt-get update; \
sudo apt-get install -y --force-yes boot-repair && boot-repair

Or download the boot-repair-tool ISO and create a live USB with it:
https://sourceforge.net/projects/boot-repair-cd/


It didn't work exactly but it did improve things some. I used the dvd, it said it was repaired, I rebooted. Grub was no longer Maui themed but all my entries were there. However, it had added the radeon.modeset=0 back because it was still there even though I had removed it earlier. It booted and this time it DID let me change the resolution, so that is better, but it still isn't using the radeon drivers. It briefly flashed up something like, "No UMS support in Radeon Module" as it was loading. I rebooted and removed the radeon.modeset=0 to see if it would boot that way now but it just went back to the black screen. 
inxi says

Code:
Display Server: X.Org 1.18.3 drivers: ati,vesa (unloaded: fbdev,radeon)
 and the repair process gave me this pastebin url: http://paste2.org/7t0hW6ct
to post in case things still didn't work correctly.
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Pliny.D.Elder Offline
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Joined: Aug 2016
Posts: 85
#17
1st September 2016, 17:00
Must admit I have none (zilch) experience with radeon drivers.
So this is a bit obtuse to me.
https://wiki.freedesktop.org/xorg/RadeonFeature/
It mentions something about UMS about 15 lines down.
Seems a lot of people having problems with AMD/ATI Radeon but not a lot of solutions.
Good luck !
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LNXlady Offline
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Joined: Apr 2013
Posts: 119
#18
1st September 2016, 21:44
I've been running Netrunner since Dryland and will hate to go, even though I guess it isn't really Netrunner anymore. Netrunner 14 works fine on this computer but that is a bit old now. Should I just leave Maui installed in case a kernel update has a fix?This bug sounds like mine - https://bugs.launchpad.net/ubuntu/+sourc...ug/1568211
but it isn't assigned so I don't know if anyone is even looking for an answer.
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leszek Offline
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Joined: Jul 2013
Posts: 3,633
#19
1st September 2016, 21:56
Yeah seems to be the issue. Did you tried this here? https://bugs.launchpad.net/ubuntu/+sourc...omments/18
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LNXlady Offline
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Joined: Apr 2013
Posts: 119
#20
1st September 2016, 22:06
(1st September 2016, 21:56)leszek Wrote: Yeah seems to be the issue. Did you tried this here?  https://bugs.launchpad.net/ubuntu/+sourc...omments/18

I saw that but didn't try it because the amdgpu driver isn't supposed to work with my card (I had checked earlier) and if I totally screw up the system I don't know enough to fix it. Smile
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