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Old 03-28-2017, 01:03 PM   #1
karim19841
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black screen after boot sequence debian 8


Hi,
I've just installed debian 8.7.1 but when I try to boot everything go fine until it just freeze on a black screen with no sign of life.
It seems a problem with video drivers.
My video card is an ati sapphire 7850.
Thanks to who will help.
 
Old 03-29-2017, 01:53 AM   #2
ondoho
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2 options:

either:
- boot live, open a terminal
or:
- when you get to the black screen, press ctrl-alt-F2, login

...then enter
Code:
lspci -k | grep -iEA5 'vga|3d'
and post the output here, incl. the command itself.
 
Old 03-29-2017, 07:41 AM   #3
karim19841
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I used the shell from the installation cd:
Code:
lspci -k | grep -iE 'vga|3d'
The command line said that -A 5 option was invalid, I've tried also --after-context=5 but was the same. However,this is the output of the quoted command above.
Code:
01:00.0 VGA compatible controller: Advanced Micro Devices,Inc. [AMD/ATI] Pitcairn PRO [Radeon HD 7850]
 
Old 03-29-2017, 09:49 AM   #4
ondoho
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Quote:
Originally Posted by karim19841 View Post
The command line said that -A 5 option was invalid, I've tried also --after-context=5 but was the same. However,this is the output of the quoted command above.
that is very strange. are you sure you wrote '-iEA5' without any spaces? i'm giving out this command to many users for a long time now, and this is the first time someone says it doesn't work.
moreover, i'm using the same debian version and it works here.

anyhow, quick search:
https://duckduckgo.com/?q=linux+Radeon+HD+7850
2nd result:
https://ubuntuforums.org/showthread.php?t=2092425
(i didn't read it, but maybe it helps?)
 
Old 03-29-2017, 11:44 AM   #5
karim19841
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I've runned another live system (kali linux) and prompted in the root shell:
Code:
lspci -k | grep -iEA5 'vga|3d'
it worked completely.
the output was:

Code:
01:00.0 VGA compatible controller: Advanced Micro Devices, INc. [AMD/ATI] Pitcairn PRO [Radeon HD 7850 /R7 265 /R9 270 1024SP]
Subsystem: PC Partner Limited / Sapphire Technology Radeon HD 7850 2GB GDDR5 DVI-I/DVI-D/HDMI/DP
Kernel Driver in use: radeon
Kernel modules: radeon
01:00.1 Audio Device: Advanced Micro Devices,Inc. [AMD/ATI] Cape Verde/Pitcairn
Subsystem: PC Partner Limited / Sapphire Technology Cape Verde / Pitcairn HDMI Audio [Radeon HD 7700/7800 Serires]
The fact that kali worked in live and debian didn't make me think that Debian in version jessie got rid of some ati drivers packages,or not?

Last edited by karim19841; 03-29-2017 at 11:46 AM.
 
Old 04-05-2017, 04:26 PM   #6
trumpforprez
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Distribution: Debian Jessie
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Quote:
Originally Posted by karim19841 View Post
Hi,
I've just installed debian 8.7.1 but when I try to boot everything go fine until it just freeze on a black screen with no sign of life.
It seems a problem with video drivers.
My video card is an ati sapphire 7850.
Thanks to who will help.
You have installed Debian.
But Debian will not boot.

Why do you say there is a problem with video drivers?

When you try to boot Debian, is there an error message?

Where did you retrieve the Debian .iso image?
Did you do a sha256sum to make sure your .iso image was clean?

Why do you refer to Kali Linux?
Most people use Ubuntu or Linux Mint.
 
  


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