Black Screen no Mouse Activity

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Black Screen no Mouse Activity

Postby bookie » 2020-07-08 08:08

Hi guys!
I have a:
HP 250 G6
i3-6006U 2GHz
1 x 8GB ram DDR4-2400
Socket 1356
I have installed Debian 10 XFCE latest release version....
Everything works fine apart from one thing....
If I leave the computer for a few minutes the screen goes black....if I use the mouse directly I come back to desktop...if I leave it a couple of minutes more it is a no go...external mouse not working ...?
Are there things I can check to see why this is happening...?
I can use Ctrl+Alt+F1 and then Ctrl+Alt+F7 and I can login again.....but that isn't a good option....;)
If you need info...please say!

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Re: Black Screen no Mouse Activity

Postby bookie » 2020-07-08 15:50

Hi guys!
I solved this by changing a setting in Power Manager
On Security I changed it to never and now it doesn't lock my system without mouse activity...
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Re: Black Screen no Mouse Activity

Postby Head_on_a_Stick » 2020-07-08 18:58

Perhaps try the xserver-xorg-video-intel DDX driver instead of X's builtin modesetting driver if you want the system to be able to restore from a blank screen.
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Re: Black Screen no Mouse Activity

Postby bookie » 2020-07-09 07:43

Hi Head_on_a_Stick :D
Can you give me more info on that?
I have the Intel HD 520 Graphics installed...

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Re: Black Screen no Mouse Activity

Postby Head_on_a_Stick » 2020-07-09 19:03

Code: Select all
# apt install xserver-xorg-video-intel
# mkdir -p /etc/X11/xorg.conf.d
# tee /etc/X11/xorg.conf.d/20-intel.conf <<!
Section "Device"
   Identifier "Intel Graphics"
   Driver "intel"
EndSection
!

Remove /etc/X11/xorg.conf.d/20-intel.conf to revert back to the modesetting DDX driver.
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Re: Black Screen no Mouse Activity

Postby bookie » 2020-07-10 05:44

Thank you :D

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Re: Black Screen no Mouse Activity

Postby bookie » 2020-07-10 16:26

Hi again!
Something strange.....I already had the xserver-xorg-video-intel driver installed when I checked...
But the driver in use:
Code: Select all
root@debian:/home/martyn# lshw -c video
  *-display                 
       description: VGA compatible controller
       product: Skylake GT2 [HD Graphics 520]
       vendor: Intel Corporation
       physical id: 2
       bus info: pci@0000:00:02.0
       version: 07
       width: 64 bits
       clock: 33MHz
       capabilities: pciexpress msi pm vga_controller bus_master cap_list rom
       configuration: driver=i915 latency=0
       resources: irq:127 memory:b0000000-b0ffffff memory:a0000000-afffffff ioport:4000(size=64) memory:c0000-dffff
root@debian:/home/martyn#

But if I use the intel one....isn't older?

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Re: Black Screen no Mouse Activity

Postby Head_on_a_Stick » 2020-07-10 22:33

bookie wrote:
Code: Select all
       configuration: driver=i915 latency=0

That's the kernel driver, xserver-xorg-video-intel is the DDX driver (look it up).
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Re: Black Screen no Mouse Activity

Postby bookie » 2020-07-11 05:04

Hi again!
OK I looked it up and this is the whole problem.....
What do you trust as the right and wrong info?
How do you trust the commands you are using are the right ones?
How do you actually get current graphics card driver being used - and know that you are not running a wrong command....?
This is the something that has bugged me for years....How do such simple tasks when the answers you get are so different from person to person?
What are the commands I should use for finding out the following:
1. What hardware I have in my computer
2. What kernel driver is in use.
3. What is my current graphics driver being used by the system.
Just asking such simple questions doesn't always get the reply you expect and a lot of the time people think you are stupid for asking....
Now I am asking....how can I be sure of the info I am being given?

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Re: Black Screen no Mouse Activity

Postby Head_on_a_Stick » 2020-07-11 10:12

bookie wrote:What do you trust as the right and wrong info?

The kernel.org & freedesktop.org documentation is reliable, they're the ones who created the software. The ArchWiki is also good because it is peer-reviewed (as are the posts on forums like this).

Random blogs should not be trusted unless you know the author has pedigree in the topic under discussion.

bookie wrote:What are the commands I should use for finding out the following:
1. What hardware I have in my computer
2. What kernel driver is in use.
3. What is my current graphics driver being used by the system.

Use lspci(8) for the first two (the -k switch shows the drivers) and check the X.Org log to see which drivers are being loaded (if you're using X, it gets a bit complicated for Wayland).
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Re: Black Screen no Mouse Activity

Postby bookie » 2020-07-11 16:34

High Head_on_a_Stick :D
Thank you so much for your time and information..
It is much appreciated. :D

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Re: Black Screen no Mouse Activity

Postby bookie » 2020-07-11 20:09

Hi again :?
Still have some sort of problem with resolution or tearing....not sure what it is...
I have a line near the bottom of the screen....?
Can't add a pic get internal error?
If I shutdown the computer as I logout it shows my background picture above the line and below it is black....weird....
So not sure what can cause that resolution is ok....

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