Øyvind Stegard, I have been experiencing the same issues to those in #43
with the same laptop. See here for a report I filed a few months ago:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1272624
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** Summary changed:
- [Dell Latitude E7440] 14.04 Touchpad not as smooth as Win7
+ [Dell Latitude E7440] 14.04 Touchpad causings mouse pointer to spuriously
jumps around
** Summary changed:
- [Dell Latitude E7440] 14.04 Touchpad causings mouse pointer to spuriously
jumps around
+ [Dell
Christopher M. Penalver, I have just installed and rebooted to test the
following (below) and found that the bug still exists.
linux-image-3.14.0-031400rc4-generic_3.14.0-031400rc4.201402232235_amd64.deb
linux-headers-3.14.0-031400rc4-generic_3.14.0-031400rc4.201402232235_amd64.deb
** Tags
Joseph Salisbury, after reporting this bug I tried changing some
settings in alsamixer but it didn't seem to fix the issue. Then, after
a reboot it started working although I didn't notice straight away so
I'm not exactly sure what has made it work. This also happened on 13.10
-- i.e., it needed
Christopher M. Penalver, in the live USB of 12.04.0 the two-finger
scrolling can not be activated under Settings--Mouse. The problem was
not reproducable but I put that down to the OS not recognising the
second finger.
Edward-douse, I tried the newest version of ElementaryOS and the results
were
I have now installed the latest daily image of Ubuntu 14.04 as the main
install to help with testing before the final release.
The mouse cursor is still jumpy as described above. If another bug
report or further information would be useful at anytime feel free to
let me know.
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Public bug reported:
I have just install the daily image of Ubuntu 14.04 (16 Feb 2014) on my
Dell Latitude E7440 laptop and noticed that there is no sound coming out
of the speakers.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-8-generic 3.13.0-8.28 [modified:
Hi Christopher, this was also a problem in Ubuntu 13.10.
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https://bugs.launchpad.net/bugs/1272624
Title:
[Dell Latitude E7440] 14.04 Touchpad not as smooth as Win7
Status
Christopher, I have not personally tested on a release prior to Saucy
but according to comment #15 in bug 1258837 the touchpad bug (if it is
the same) didn't seem to exhibit itself in earlier kernel versions used
in 12.04
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The main problem seems to be when I place a second finger close to my
first finger causing the cursor to jump and jerk across the screen
(i.e., disappers and reappears in any other part of the screen). I have
tried to alter values in synclient to reduce this but I haven't had much
luck.
I've
Allan, in syslog I see the following...
Jan 27 18:19:29 oort kernel: [ 206.716178] psmouse serio1: GlidePoint at
isa0060/serio1/input0 lost sync at byte 1
Jan 27 18:19:29 oort kernel: [ 206.717133] psmouse serio1: GlidePoint at
isa0060/serio1/input0 lost sync at byte 1
Jan 27 18:19:29 oort
Christopher, I've just tried the live image again and the cursor still
jumps/jerks around a little more than I would like. It is however
better than in 13.10 (but not as smooth as Windows 7)
I would therefore suggest that this bug report gets left open for now
until others can confirm the bug.
** Description changed:
This bug report has been produced to help improve the touchpad on a Dell
Latitude E7440 on Ubuntu 14.04 alpha.
- However, from the live usb the touchpad seems quite smooth compared to
- ubuntu 13.10... so this may already be fixed.
+ From the live usb the touchpad
following up on #32, I may have been a little premature the mouse is
still a little jerky, but better than Ubuntu 13.10. However, it could
still do with some tweaking to be as smooth as Windows 7
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Here is the output for 14.04 for synclient:
Parameter settings:
LeftEdge= 300
RightEdge = 1700
TopEdge = 210
BottomEdge = 1190
FingerLow = 12
FingerHigh = 15
MaxTapTime =
Following #6, the synclient output for ubuntu 13.10 differs for the
following options (ubuntu 14.04 output is in brackets)
RTCornerButton = 0 (2)
RBCornerButton = 0 (3)
LTCornerButton = 0
LBCornerButton = 0
TapButton1 = 0
Is this still an issue? I'm happy to file a new bug report if you could
tell me what you mean by an Ubuntu repository kernel.
Would it be helpful if I sent a report from a USB live instance of a
14.04 daily image?
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Public bug reported:
This bug report has been produced to help improve the touchpad on a Dell
Latitude E7440 on Ubuntu 14.04 alpha.
However, from the live usb the touchpad seems quite smooth compared to
ubuntu 13.10... so this may already be fixed.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
I've produced a bug report here:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1272624
The touchpad doesn't seems to jerk now in Ubuntu 14.04 alpha.
(as an aside, the wifi on/off switch and sound now also both work out-
of-the-box)
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