[Abandoned]drakconf fail - no display - black screen

[Abandoned]drakconf fail - no display - black screen

Postby rooman » Oct 12th, '17, 19:30

I got a black screen at boot so tried
x -configure
as root and have the following message.
xorg: configure number of created screens does not match detected devices

I have since tried to configure the display with drakconf but it fails every time with a black screen. Drakconf detects an older card each time and suggests the proprietary driver. I've tried this older one, I've tried nv and nouveau
So no display, I'm stuck.
ps: it was working with accelerated graphics before this, no problem known.

What can I try?

i5 4670k o/c @4.1Ghz,
EVGA GTX 760 SC ACX 2Gb
DDR3 1600Mhz 16Gb

edited because the situation changed getting worse...
Last edited by rooman on Oct 19th, '17, 11:47, edited 1 time in total.
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Re: drakconf fail - no display - black screen

Postby doktor5000 » Oct 13th, '17, 11:16

Please show the output of
Code: Select all
grep -i driver /var/log/Xorg.0.log
lspcidrake -v | grep VGA


In the meantime it should be possible to select a generic driver like vesa.
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Re: drakconf fail - no display - black screen

Postby rooman » Oct 13th, '17, 13:53

I'll do that this evening, but in the meantime imagine that nothing seemed to work at all but I'll check it all out and get back, thanks.
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Re: drakconf fail - no display - black screen

Postby rooman » Oct 13th, '17, 21:14

card: NVIDIA GeForce 420 series and later: NVIDIA Corp...GK104 [GTX760] [display_vga] (vendor: 10de device: 1187 subv: 3842 subd: 2765)

The Xorg log is way too long to copy by hand and I've no idea how to navigate to copy it to a usb key as I've two hard disks and 6 partitions in all. (hdc, sde?)
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Re: drakconf fail - no display - black screen

Postby rooman » Oct 15th, '17, 19:19

I've tried xorgconfig, X -configure, XFdrake and drakconf,.

I think I think I need to re-install X but how?
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Re: drakconf fail - no display - black screen

Postby doktor5000 » Oct 15th, '17, 23:16

You do not need to reinstall X. Just move away/rename /etc/X11/xorg.conf and then start drakconf and select e.g. vesa driver.
If your system still doesn't boot, you may have a different problem, but you would need to attach a log of such a boot, otherwise it's hard to tell for others what your actual issue is.
Maybe there's an issue with the bootloader, as you only mention "black screen at boot". Do you see the bootloader, can you select an older kernel there, does it boot at all?
And do you see the bootsplash afterwards where Mageia is loading?
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Re: drakconf fail - no display - black screen

Postby rooman » Oct 16th, '17, 08:48

okay, I have already moved/renamed /etc/X11/xorg.conf but I don't remember whether I tried a reboot, a Drakconf, a X -configure or just a startx.
I'll redo this evening, tks.

A Ubuntu user had the same error and got his graphics working by purging the NVIDIA driver, worth a try? but what would be the syntaxe in MGA?

Latest kernels boot ok right through to user/root login but no graphic splash screen.

Which log to submit? I'll burn a MGA6 live disc today.
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Re: drakconf fail - no display - black screen

Postby rooman » Oct 16th, '17, 21:52

Xorg.0.log
(69.67 KiB) Downloaded 229 times
xorg.conf
(2.3 KiB) Downloaded 215 times
[

I chose vesa with drakconf, renamed xorg.conf and rebooted. Choice of kernels ok then 3 question marks in middle of screen. Can login to user or root. Did a startx got mouse cursor okay in centre then plasma error no OpenGl and black screen.
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Re: drakconf fail - no display - black screen

Postby rooman » Oct 17th, '17, 07:17

Why is it not possible to purge and reinstall everything X11/NVIDIA?
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Re: drakconf fail - no display - black screen

Postby rooman » Oct 17th, '17, 20:01

Re re and reboot, got through to mouse cursor on a mageia background, no right click, no menus, no icons, nothing but the background.
Checked with live disk, /home/user/destop (bureau in french) folder is empty, no shortcuts nothing.
Worth trying to create a new user?
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[Abandoned] drakconf fail - no display - black screen

Postby rooman » Oct 19th, '17, 11:45

Merci beaucoup, j'ai réinstallé avec Gnome cette fois et ça joue bien.
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