Per #15 this bug is related to a BIOS regression. Closing
** Changed in: linux (Ubuntu)
Status: Triaged => Won't Fix
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https://bugs.launchpad.net/bugs/1152544
Title:
HP Envy 23 A
** Changed in: hwe-next
Assignee: Anthony Wong (anthonywong) => (unassigned)
** Changed in: hwe-next
Status: Incomplete => Won't Fix
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According to the above investigation, it is a bios regression and not
much we can do about it.
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Title:
HP Envy 23 AIO - No way to dim display
To
I checked BIOS 8.10 (current version), and the ACPI device DD02 has
_BCL/_BCM/_BQC methods unlike the BIOS that fixed it in
https://bugs.launchpad.net/stella/hwe-stella/+bug/1023760/comments/13.
If the ACPI device LCD0 is used (ex. calling its _BCM), the brightness
will change accordingly. It seem
** Changed in: linux (Ubuntu)
Assignee: Edward Lin (airken) => (unassigned)
** Also affects: hwe-next
Importance: Undecided
Status: New
** Changed in: hwe-next
Importance: Undecided => High
** Changed in: hwe-next
Assignee: (unassigned) => Alex Hung (alexhung)
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According to
https://bugs.launchpad.net/stella/hwe-stella/+bug/1023760/comments/13 ,
the backlight function should work on 12.04 if BIOS fixed this issue.
But backlight function is still broken on 12.04(amd64, i386), 11.04 and
14.04.
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Unable to downgrade BIOS 804 mentioned in
https://bugs.launchpad.net/stella/hwe-stella/+bug/1023760/comments/24
I suspect that bug #1023760 does not verify HP Envy 23 AIO (heineken5)
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htt
** Changed in: linux (Ubuntu)
Status: Incomplete => Triaged
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Title:
HP Envy 23 AIO - No way to dim display
To manage notifications about
Tried "acpi_backlight=vendor" and "video.use_native_backlight=1", the
bug still exists.
Tried to downgrade BIOS mentioned in
https://bugs.launchpad.net/stella/hwe-stella/+bug/1023760/comments/12
Failed to reflash the BIOS.
And I can't access the BIOS mentioned in
https://bugs.launchpad.net/stell
** Changed in: linux (Ubuntu)
Importance: Medium => High
** Changed in: linux (Ubuntu)
Assignee: Keng-Yu Lin (lexical) => Edward Lin (airken)
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https://bugs.launchpad.net/bugs/1152
Pending
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1152544/comments/6
.
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
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https://bugs.launchpad.net/bugs/115
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
** Changed in: linux (Ubuntu)
Importance: High => Medium
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Title:
HP Envy
Christopher M. Penalver, thank you for your response. I have filed a new bug
report with multiple files and have also tested the upstream kernel. The new
bug report may be located here:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1287528
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Joshua Lee, thank you for your comment. So your hardware and problem may be
tracked, could you please file a new report with Ubuntu by executing the
following in a terminal while booted into a Ubuntu repository kernel (not a
mainline one) via:
ubuntu-bug linux
For more on this, please read the
I experience the same behavior from the following machine:
HP ENVY 23se-d494
No backlight interface is detected.
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Title:
HP Envy 23 AIO - No wa
Jeff Lane, could you please provide the full computer model as noted on
the sticker (ex. HP ENVY 23-1060 All-in-One Desktop PC)?
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
** Tags added: needs-full-computer-model
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** Changed in: linux (Ubuntu)
Importance: Undecided => High
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Title:
HP Envy 23 AIO - No way to dim display
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** Attachment added: "Xorg.0.log"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1152544/+attachment/3634073/+files/Xorg.0.log
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Title:
Keng-yu, please see bug 1023760/1015475 for reference.
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Title:
HP Envy 23 AIO - No way to dim display
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This issue was caused by a BIOS bug but should already been fixed, need
to investigate why it happens again.
** Changed in: linux (Ubuntu)
Assignee: Canonical Hardware Enablement Team (canonical-hwe-team) =>
Keng-Yu Lin (lexical)
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