I have the same issue as well with an Alienware MX 18 R2 Laptop, running Linux
Mint 14.1
When I plug headphones into the jack the sound plays through the headphones,
but it also continues to play through the built-in speakers.
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here is the output of alsa-info.sh
./alsa-info.sh
ALSA Information Script v 0.4.61
This script visits the following commands/files to collect diagnostic
information about your ALSA installation and sound related hardware.
dmesg
lspci
lsmod
aplay
amixer
The following is link to the laptop specs:
http://support.acer.com/acerpanam/notebook/2009/acer/aspire/Aspire5732Z/Aspire5732Zsp2.shtml
Most relevant is:
Video Subsystem
Mobile Intel® GL40 Express Chipset with integrated 3D graphics,
featuring Intel® Graphics Media Accelerator 4500M (Intel® GMA 4
Bug is duplicated / reproduced here:
https://bugs.launchpad.net/linuxmint/+bug/1082647
Also with Intel GMA 4500
Using Acer Aspire 5732Z
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https://bugs.launchpad.net/bugs/1047483
Title:
** Summary changed:
- Linux Mint Install Leads to Black Screen on Acer Aspire 5732 Z
+ Mint Install - Black Screen on Intel GMA4500M / Acer Aspire 5732 Z
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Output of lspci -nn
00:00.0 Host bridge [0600]: Intel Corporation Mobile 4 Series Chipset Memory
Controller Hub [8086:2a40] (rev 09)
00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile 4 Series
Chipset Integrated Graphics Controller [8086:2a42] (rev 09)
00:02.1 Display controller
Output of lspci -nn
00:00.0 Host bridge [0600]: Intel Corporation Mobile 4 Series Chipset Memory
Controller Hub [8086:2a40] (rev 09)
00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile 4 Series
Chipset Integrated Graphics Controller [8086:2a42] (rev 09)
00:02.1 Display controller
** Also affects: ubuntu
Importance: Undecided
Status: New
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Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1082647
Title:
Linux Mint Install Leads to Black Screen on Acer Aspire 5732 Z
To ma
