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Black screen.

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  Black screen. milton César Disegna de Souza Leite <miltoncsl@yahoo.com> - 2024-11-15 01:40 +0100
    Re: Black screen. Timothy M Butterworth <timothy.m.butterworth@gmail.com> - 2024-11-15 06:50 +0100
      Re: Black screen. Timothy M Butterworth <timothy.m.butterworth@gmail.com> - 2024-11-16 07:20 +0100
        Re: Black screen. Timothy M Butterworth <timothy.m.butterworth@gmail.com> - 2024-11-20 06:00 +0100

#274522 — Black screen.



Hello,

I recently installed Debian 12.8 on a laptop with an ONKYO motherboard with an i5 M450 processor. With Debian and any GNU/Linux that I had previously installed (Fedora and Kubuntu), there was a problem with the suspend resource. The laptop turns off by itself and only it starts working again when I turn it on, it resumes working from the point where it stopped, but it does this action indefinitely. I solved this problem via GRUB by disabling suspend. After that, the installation went on normally. However, when I started it and tried to log in, the screen turned off. If I had already selected a user and entered the password, even with the screen off, I was logged in and I used the system as that user which it works without any problems. Another way to go back to the login screen is to switch to a prompt screen and return to graphical mode, but this is only a paleative since it quickly returns to the previous situation. One thing I noticed (and it may have nothing to do with it) is that this behavior started happening after I connected a monitor to the laptop and switched the screen and at a certain point the screen kept in black every now and then. What am I doing wrong and how can I solve this problem?

Enviado do meu iPhone

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#274523

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On Thu, Nov 14, 2024 at 11:52 PM milton César Disegna de Souza Leite <
miltoncsl@yahoo.com> wrote:

>
>
> Hello,
>
> I recently installed Debian 12.8 on a laptop with an ONKYO motherboard
> with an i5 M450 processor. With Debian and any GNU/Linux that I had
> previously installed (Fedora and Kubuntu), there was a problem with the
> suspend resource. The laptop turns off by itself and only it starts working
> again when I turn it on, it resumes working from the point where it
> stopped, but it does this action indefinitely. I solved this problem via
> GRUB by disabling suspend. After that, the installation went on normally.
> However, when I started it and tried to log in, the screen turned off. If I
> had already selected a user and entered the password, even with the screen
> off, I was logged in and I used the system as that user which it works
> without any problems. Another way to go back to the login screen is to
> switch to a prompt screen and return to graphical mode, but this is only a
> paleative since it quickly returns to the previous situation. One thing I
> noticed (and it may have nothing to do with it) is that this behavior
> started happening after I connected a monitor to the laptop and switched
> the screen and at a certain point the screen kept in black every now and
> then. What am I doing wrong and how can I solve this problem?
>

I have Debian with KDE running just fine on an external monitor. When I
need to use my webcam I switch the display configuration to unified output
and the same image is displayed on both monitors. I have KDE configured to
not suspend when the lid is closed if a monitor is connected. Also under
battery and brightness I have "manually block sleep and screen locking"
checked.

What desktop environment are you using?

Is the external monitor still plugged in?

How is the external monitor configured: unified, extended or primary?

You say you disabled suspend via grub? Have you tried disabling suspend in
the BIOS? It will be S2 and S3 in BIOS.

When the device suspends I take it that you are not able to wake the device
properly by pressing the power button?


> Enviado do meu iPhone
>


-- 
⢀⣴⠾⠻⢶⣦⠀
⣾⠁⢠⠒⠀⣿⡁ Debian - The universal operating system
⢿⡄⠘⠷⠚⠋⠀ https://www.debian.org/
⠈⠳⣄⠀⠀

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#274538

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On Fri, Nov 15, 2024 at 9:49 PM milton César Disegna de Souza Leite <
miltoncsl@yahoo.com> wrote:

>
> On 15 Nov 2024, at 02:44, Timothy M Butterworth <
> timothy.m.butterworth@gmail.com> wrote:
>
>
>
> On Thu, Nov 14, 2024 at 11:52 PM milton César Disegna de Souza Leite <
> miltoncsl@yahoo.com> wrote:
>
>>
>>
>> Hello,
>>
>> I recently installed Debian 12.8 on a laptop with an ONKYO motherboard
>> with an i5 M450 processor. With Debian and any GNU/Linux that I had
>> previously installed (Fedora and Kubuntu), there was a problem with the
>> suspend resource. The laptop turns off by itself and only it starts working
>> again when I turn it on, it resumes working from the point where it
>> stopped, but it does this action indefinitely. I solved this problem via
>> GRUB by disabling suspend. After that, the installation went on normally.
>> However, when I started it and tried to log in, the screen turned off. If I
>> had already selected a user and entered the password, even with the screen
>> off, I was logged in and I used the system as that user which it works
>> without any problems. Another way to go back to the login screen is to
>> switch to a prompt screen and return to graphical mode, but this is only a
>> paleative since it quickly returns to the previous situation. One thing I
>> noticed (and it may have nothing to do with it) is that this behavior
>> started happening after I connected a monitor to the laptop and switched
>> the screen and at a certain point the screen kept in black every now and
>> then. What am I doing wrong and how can I solve this problem?
>>
>
> I have Debian with KDE running just fine on an external monitor. When I
> need to use my webcam I switch the display configuration to unified output
> and the same image is displayed on both monitors. I have KDE configured to
> not suspend when the lid is closed if a monitor is connected. Also under
> battery and brightness I have "manually block sleep and screen locking"
> checked.
>
>
> Hello Timothy,
>
> Thank you for you answer. I really didn't inform all that it is necessary
> to expose my problem. I had already configure “battery and brightness” how
> you indicated.
>
> What desktop environment are you using?
>
>
> I installed KDE and Gnome but I am using only KDE. I choised login manager
> GDM.
>
>
> Is the external monitor still plugged in?
>
>
> I used external monitor only one time. And it was like I said.
>
>
> How is the external monitor configured: unified, extended or primary?
>
>
> Extended.
>
>
> You say you disabled suspend via grub? Have you tried disabling suspend in
> the BIOS? It will be S2 and S3 in BIOS.
>
>
> Yes, I disabled suspend via grub. The computer's BIOS is very simples (!)
> and it don't have config suspend item available (!!). Or it is hid an I
> don't still found it.
>
>
> When the device suspends I take it that you are not able to wake the
> device properly by pressing the power button?
>
>
> No, without to disable suspend via grub, my laptop turned off by itself
> and when I pressed power button it turned on, it resumes working from the
> point where it stopped, but it does this action indefinitely. I disabled
> suspend via grub and this problem finished. However, when I started it and
> tried to log in or simply I wait, the screen turned off (black screen).
> When I get login system work without problems.
>

Are you getting the blank screen after you login or are you not getting a
login screen at all?

If you are not getting a login screen at all, then it is likely a GDM issue.

If you are getting a login screen and then getting the black screen after
trying to login then it is also likely a GDM issue. Do you have a mouse
pointer?

Try booting into GNOME and see what happens.

Also try switching vitrual consoles, control + Alt + F4 If you get a login
prompt login and then run `startx` to launch a X-11 session.



>
>
>> Enviado do meu iPhone
>>
>
>
> --
> ⢀⣴⠾⠻⢶⣦⠀
> ⣾⠁⢠⠒⠀⣿⡁ Debian - The universal operating system
> ⢿⡄⠘⠷⠚⠋⠀ https://www.debian.org/
> ⠈⠳⣄⠀⠀
>
>
>

-- 
⢀⣴⠾⠻⢶⣦⠀
⣾⠁⢠⠒⠀⣿⡁ Debian - The universal operating system
⢿⡄⠘⠷⠚⠋⠀ https://www.debian.org/
⠈⠳⣄⠀⠀

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#274682

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On Tue, Nov 19, 2024 at 10:45 PM milton César Disegna de Souza Leite <
miltoncsl@yahoo.com> wrote:

> On 16 Nov 2024, at 03:18, Timothy M Butterworth <
> timothy.m.butterworth@gmail.com> wrote:
>
>
>
> On Fri, Nov 15, 2024 at 9:49 PM milton César Disegna de Souza Leite <
> miltoncsl@yahoo.com> wrote:
>
>>
>> On 15 Nov 2024, at 02:44, Timothy M Butterworth <
>> timothy.m.butterworth@gmail.com> wrote:
>>
>>
>>
>> On Thu, Nov 14, 2024 at 11:52 PM milton César Disegna de Souza Leite <
>> miltoncsl@yahoo.com> wrote:
>>
>>>
>>>
>>> Hello,
>>>
>>> I recently installed Debian 12.8 on a laptop with an ONKYO motherboard
>>> with an i5 M450 processor. With Debian and any GNU/Linux that I had
>>> previously installed (Fedora and Kubuntu), there was a problem with the
>>> suspend resource. The laptop turns off by itself and only it starts working
>>> again when I turn it on, it resumes working from the point where it
>>> stopped, but it does this action indefinitely. I solved this problem via
>>> GRUB by disabling suspend. After that, the installation went on normally.
>>> However, when I started it and tried to log in, the screen turned off. If I
>>> had already selected a user and entered the password, even with the screen
>>> off, I was logged in and I used the system as that user which it works
>>> without any problems. Another way to go back to the login screen is to
>>> switch to a prompt screen and return to graphical mode, but this is only a
>>> paleative since it quickly returns to the previous situation. One thing I
>>> noticed (and it may have nothing to do with it) is that this behavior
>>> started happening after I connected a monitor to the laptop and switched
>>> the screen and at a certain point the screen kept in black every now and
>>> then. What am I doing wrong and how can I solve this problem?
>>>
>>
>> I have Debian with KDE running just fine on an external monitor. When I
>> need to use my webcam I switch the display configuration to unified output
>> and the same image is displayed on both monitors. I have KDE configured to
>> not suspend when the lid is closed if a monitor is connected. Also under
>> battery and brightness I have "manually block sleep and screen locking"
>> checked.
>>
>>
>> Hello Timothy,
>>
>> Thank you for you answer. I really didn't inform all that it is necessary
>> to expose my problem. I had already configure “battery and brightness” how
>> you indicated.
>>
>> What desktop environment are you using?
>>
>>
>> I installed KDE and Gnome but I am using only KDE. I choised login
>> manager GDM.
>>
>>
>> Is the external monitor still plugged in?
>>
>>
>> I used external monitor only one time. And it was like I said.
>>
>>
>> How is the external monitor configured: unified, extended or primary?
>>
>>
>> Extended.
>>
>>
>> You say you disabled suspend via grub? Have you tried disabling suspend
>> in the BIOS? It will be S2 and S3 in BIOS.
>>
>>
>> Yes, I disabled suspend via grub. The computer's BIOS is very simples (!)
>> and it don't have config suspend item available (!!). Or it is hid an I
>> don't still found it.
>>
>>
>> When the device suspends I take it that you are not able to wake the
>> device properly by pressing the power button?
>>
>>
>> No, without to disable suspend via grub, my laptop turned off by itself
>> and when I pressed power button it turned on, it resumes working from the
>> point where it stopped, but it does this action indefinitely. I disabled
>> suspend via grub and this problem finished. However, when I started it and
>> tried to log in or simply I wait, the screen turned off (black screen).
>> When I get login system work without problems.
>>
>
> Are you getting the blank screen after you login or are you not getting a
> login screen at all?
>
> If you are not getting a login screen at all, then it is likely a GDM
> issue.
>
> If you are getting a login screen and then getting the black screen after
> trying to login then it is also likely a GDM issue. Do you have a mouse
> pointer?
>
> Try booting into GNOME and see what happens.
>
> Also try switching vitrual consoles, control + Alt + F4 If you get a login
> prompt login and then run `startx` to launch a X-11 session.
>
>
> Hello Timothy,
>
> I apology. I get "black" screen when I try to login. When I try to insert
> password I get black screen. Or when I don't do nothing. When I wait simply
> I get black screen. When login manager (GDM) is in screen (when it works) I
> have a mouse pointer. I tried already booting into GNOME and it is worse.
> The screen turn off  definitively.
> I didn't try switching for virtual consoles with "control + Alt + Fn" and
> I didn’t try to run "startx" to launch a X11 session. This isn't an option
> because I want to give the laptop for my daughter. She is 13 years old and
> she don't have any knowledge in GNU/Linux! I am configuring laptop to be as
>  easy as possible for her and to teach command line it isn't interesting.
>
> Milton
>

Try running CTRL+Alt+Fn then startx. If the problem is wayland related and
X11 works then you will be able to configure the system to use X11.


>
>
>>
>>
>>> Enviado do meu iPhone
>>>
>>
>>
>> --
>> ⢀⣴⠾⠻⢶⣦⠀
>> ⣾⠁⢠⠒⠀⣿⡁ Debian - The universal operating system
>> ⢿⡄⠘⠷⠚⠋⠀ https://www.debian.org/
>> ⠈⠳⣄⠀⠀
>>
>>
>>
>
> --
> ⢀⣴⠾⠻⢶⣦⠀
> ⣾⠁⢠⠒⠀⣿⡁ Debian - The universal operating system
> ⢿⡄⠘⠷⠚⠋⠀ https://www.debian.org/
> ⠈⠳⣄⠀⠀
>
>
>

-- 
⢀⣴⠾⠻⢶⣦⠀
⣾⠁⢠⠒⠀⣿⡁ Debian - The universal operating system
⢿⡄⠘⠷⠚⠋⠀ https://www.debian.org/
⠈⠳⣄⠀⠀

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