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Old 11-15-2017, 07:58 PM   #1
lucmove
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Registered: Aug 2005
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Distribution: Debian Jessie
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Notebook screen keeps crashing


I had a fully working notebook running Debian 9. Then I tried to ssh into it:

# ssh -x -l root 10.60.1.2

Then
# synaptic
Cannot open display:

When I was just about to troubleshoot it, the screen crashed and froze in a zig-zag pattern. The machine became unresponsive, none of the Ctrl+Alt+Fx consoles worked, so I hard reset the machine.

Now I can't log in anymore. It boots up, Grub shows up, I am prompted for the password (encrypted LVM), and... it freezes with a distorted image. Sometimes, it just freezes with whatever is on the screen, without distorting it.

I booted from the Debian 9 installation CD and it froze many times. Eventually, I got to the stage where I get to select the keyboard and the installer detects the CD. That's how far I've gone. It always freezes at that stage or earlier. Sometimes the image distorts, sometimes it just freezes.

Looks like something is wrong with the screen, but what? Why does it go so far then freezes? How did that happen?

Click image for larger version

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Click image for larger version

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Link to the screenshots in case the attachments don't work:

https://pasteboard.co/GTPTiko.jpg

https://pasteboard.co/GTPUiVR.jpg

Last edited by lucmove; 11-15-2017 at 08:10 PM.
 
Old 11-16-2017, 11:00 AM   #2
batman23
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nomodeset

Are you able to edit the grub menuentry?

Pass the kernel nomodeset

e.g

linux /boot/vmlinuz nomodeset

Something like this.

Let me know if that gets you into the system.

You can then edit /etc/default/grub and add it there.

GRUB_CMDLINE_LINUX_DEFAULT="nomodeset"

Don't forget to run update-grub

Please let me know the result.
 
Old 11-16-2017, 11:29 AM   #3
lucmove
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Location: Brazil
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I already use nomodeset. This notebook requires it:

https://www.linuxquestions.org/quest...6/#post5775469

I have been able to boot up completely a few times now, but it always freezes after a few seconds, even with boot CDs. I think I'll have to take it to a repair shop.
 
Old 11-17-2017, 05:29 PM   #4
TheEzekielProject
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That sounds like a hardware problem to me.
 
Old 11-19-2017, 02:49 AM   #5
lucmove
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Location: Brazil
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It was hardware failure. Fixed by a skilled technician.
 
  


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