This bug still exists on Ubuntu 23.10. HP Elitebook 840 G1.
inxi -Fxz
System:
Kernel: 6.5.0-21-generic arch: x86_64 bits: 64 compiler: N/A Desktop: GNOME
v: 45.2 Distro: Ubuntu 23.10 (Mantic Minotaur)
Machine:
Type: Laptop System: Hewlett-Packard product: HP EliteBook 840 G1
v: A3009DD
[Expired for xorg (Ubuntu) because there has been no activity for 60
days.]
** Changed in: xorg (Ubuntu)
Status: Incomplete => Expired
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I still have the HP 840 G1, currently on 22.04. I’ll keep an eye on the
black screen issue and will report back as soon as it happens again.
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We are sorry that we do not always have the capacity to review all
reported bugs in a timely manner. You reported this bug some time ago
and there have been many changes in Ubuntu since that time.
Ubuntu 18.04 (bionic) reached end-of-standard-support on May 31, 2023.
Ubuntu 16.04 (xenial) reached
Update -- possibly resolved by upgrading to kubuntu 22.10.
I installed that and so far ... fingers crossed, no more black screens.
Jon
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Title
I have the same issue with a fresh install of kubuntu 22.04 LTS on an HP
820 G1. Random screen blackout -- machine can only be revived by a
reboot. The Windows operating system that was replaced by kubuntu worked
flawlessly (except that it was Windows, which is one hell of a flaw).
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I experienced this issue in Linux Mint 20.03 (Cinnamon) and in Debian
Buster (KDE) as well.
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Title:
Intermittent black screen on HP EliteBoo
I'm having the same issue on Mint 19.3.
Just installed mint a couple days ago.
Laptop is docked with 1 external monitor attached. The laptop screen
goes black for a few seconds at a time. External monitor stays active,
and I can use the external monitor as usual during the blackout. The
black lap
Just had a look at my own settings: I have "Dim display when idle"
unchecked in the AC power tab, checked in the Battery tab. I am still
getting a dark screen every now and then, even though I mostly work on
AC power.
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whi
@Maik Schulze did that change anything? are you still getting the error?
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Title:
Intermittent black screen on HP EliteBook 840 G1
To manage
Black internal screen on my G1 820 too. May be its a problem with
function "lower screen intensity when inactive" (energy), i have
disabled it now.
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I have exactly the same problem too with the same computer. I also have
ubuntu on a dual boot with Windows.
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Title:
Intermittent black scree
I have exactly the same problem described in the title since 2018-11-27,
when I bought this laptop.
My configuration:
HP Elitebook 840 G1
Ubuntu 18.04
The same issue does not hit Windows, which I dual boot with.
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Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: xorg (Ubuntu)
Status: New => Confirmed
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Title:
For the issue in #37, I was able to restore the external display by
undocking and re-docking the laptop.
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Title:
Intermittent black screen o
And the issue described in comment#37 is also back. This time, however,
after doing Ctrl+Alt+F1, everything was black (except for the cursor
blinking on the internal display), and I was unable to switch back to
the GUI with Ctrl+Alt+F7; I ended up having to cold boot the system
using the power butt
** Tags removed: bios-outdated-1.42
** Tags added: bionic bios-outdated-1.46
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Title:
Intermittent black screen on HP EliteBook 840 G1
To ma
The black screen issue reappeared on 18.04 sometime last week, after two
completely trouble-free months, and it is quite frequent again. I
haven’t done and in-depth diagnosis or troubleshooting so far. The
flicker issue hasn’t appeared since I upgraded.
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I upgraded to 18.04 last week. So far none of the screen issues (black
screen or image corruption) has reappeared; I will post an update if
anything comes up.
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I noticed another issue recently: when the device displays woke up after
a period of inactivity, the picture of the external (!) display was
stretched vertically by a factor of 2, with the bottom half missing. I
took a screenshot, but that looked OK and didn’t reflect what I actually
saw.
Also, wi
** Changed in: xorg (Ubuntu)
Status: Incomplete => New
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Title:
Intermittent black screen on HP EliteBook 840 G1
To manage notificati
I am referring to package updates, still on 16.04, whatever was made
available on the repos in the last ~24 hours before comment #33. (Is
there an install log which will tell me what was updated when?)
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Michael von Glasow, to clarify, what update are you referring to?
Package(s) update (which specifically) or updating the OS to 18.04?
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Title:
Forgot to add, the laptop’s currently docked with an external display on
DisplayPort.
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Title:
Intermittent black screen on HP EliteBook 840
After today’s updates, I am seeing another strange issue: whenever all
displays go out due to inactivity and I touch the keyboard or mouse
again, the internal display starts to flicker. It looks as if the entire
image is shifted by some 25% of its width to one side, then to the other
(with the part
18.04 LTS is just around the corner and I will be upgrading soon. Is
there any more information you’d like me to gather while still on 16.04?
Please let me know; otherwise I will post any news on how this behavior
also affects 18.04 once I’ve upgraded and used it for a while.
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And the screen just went black again. I haven’t rebooted since I changed
the settings; I will report if I still experience issues after a reboot,
just to be sure.
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I just set the screen timeout to Never; dimming was already disabled. I
did this only for the AC profile, not the battery profile, as I’m on AC
power most of the time. I’ll report back if the screen goes black again
(or if it doesn’t happen for a while).
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Michael von Glasow, if you disable the laptop turning the screen off or
dimming after inactivity via the GUI, does this still happen?
** Description changed:
- Once every few hours, the internal laptop display goes black for a few
- seconds. The external display remains on during this time.
+ Onc
I'm currently working without an external display and without a docking
station/port replicator, and the screen just went black for a couple of
seconds. The system had been running for 1–2 hours at the time.
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** Description changed:
- Occasionally, the internal laptop display goes black for a few seconds,
- then comes back to life. The external display stays on. It looks as if
- power management were kicking in by error but affecting only the
- internal display.
+ Once every few hours, the internal lap
Re 1: the issue started to happen after I moved the hard disk to the 840
G1 (from a 6930p), which was around August/September. Updates usually
get installed within a day (unless I have only limited Internet access,
which was not the case when I switched laptops), thus the system should
have been fa
Michael von Glasow:
1) To clarify, did this issue start to happen after an update? If so,
which specifically?
2) Does this issue happen if you don't have any external displays, and
the laptop is not docked?
3) Regarding the internal laptop display going black for a few seconds,
how often does th
** Tags removed: apport bios-outdated-1.42-collected
** Tags added: apport-collected bios-outdated-1.42
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Title:
Intermittent black screen on
Well, that didn’t take long: screen just went black again for somewhere
around a second. Let me know if you need further input from me.
BTW: currently working without a dock, with an external screen attached
via DP (which has also experienced the bug before the update)—so the
dock doesn’t make a d
Update done. I’ll keep an eye on this and report back if I encounter the
issue again (or do not encounter it for a longer time—being a sporadic
bug, it’s difficult to tell if it’s gone away for good).
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Michael von Glasow, could you please update your HWE stack as per
https://wiki.ubuntu.com/Kernel/LTSEnablementStack and advise to the
results?
** Tags removed: apport-collected
** Tags added: apport bios-outdated-1.42-collected
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apport information
** Tags added: apport-collected ubuntu
** Description changed:
Occasionally, the internal laptop display goes black for a few seconds,
then comes back to life. The external display stays on. It looks as if
power management were kicking in by error but affecting only the
Michael von Glasow, thank you for reporting this and helping make Ubuntu
better.
Could you please run the following command once from a terminal by ensuring you
have the package xdiagnose installed, and that you click the Yes button for
attaching additional debugging information:
apport-collect
Update on behavior: the last few times the internal display went black,
I did not touch the keyboard and mouse at all, and the display came back
after a few seconds. (Tested with the laptop in the port replicator and
an external display connected via the DP port.)
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