NOTE: I am NOT the originator of this bug report,
but have a similar(? identical?) problem.
My machine is an Acer Aspire E17 E5-722-425Q,
and the built-in microphone (and also the mouse pad)
has never(?) been detected. (Since I use a USB mouse
and a USB headset-with-microphone, neither problem has
ever bothered me in the slightest.)
Sometimes, the built-in WiFi is not detected (as is the
case at the moment), and, usually, the built-in Bluetooth
is not detected (also the case at the moment). However,
I *have* observed that, at least in the case of the WiFi
(the Bluetooth is not-so-clear) it seems to be related
to the temperature (especially the external (ambient,
i.e., room temperature)).
Whilst no measurements have been made, if the ambient
temperature is sufficiently cool (cold, actually, PROBABLY
less than 10 degrees Celsius (estimated)), the WiFi is
frequently detected. When it is warm, it is much more
hit-and-miss. (There are some circumstantial reasons to
think, for both the WiFi and Bluetooth (both are USB),
that if there certain unclear external USB devices are also
attached when the system is booted, than one or both is
detected. Apologies for being quite vague here, I have
never tried to confirm or characterise this incidental
observation.)
Attached is the RAW report generated by apport-cli(1);
I do not know how to automagically append it to a bug
which I did not originally create. However, please
note that, at the moment, neither the built-in USB WiFi
nor the built-in USB Bluetooth is currently detected
(and the ambient temperature is currently quite warm).
** Attachment added: "1869062"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1869062/+attachment/5341699/+files/1869062
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https://bugs.launchpad.net/bugs/1869062
Title:
Acer Aspire 7715 microphone not detected
Status in linux package in Ubuntu:
Incomplete
Bug description:
System: Host: jdole-Aspire-7715Z Kernel: 4.15.0-91-generic x86_64 bits: 64
compiler: gcc
v: 7.4.0 Desktop: Cinnamon 4.4.8 wm: muffin dm: LightDM Distro:
Linux Mint 19.3 Tricia
base: Ubuntu 18.04 bionic
Machine: Type: Laptop System: Acer product: Aspire 7715Z v: V3.04 serial:
<filter>
Mobo: Acer model: Aspire 7715Z v: V3.04 serial: <filter> BIOS:
Acer v: 3.04
date: 12/16/2009
CPU: Topology: Dual Core model: Pentium T4400 bits: 64 type: MCP arch:
Penryn rev: A
L2 cache: 1024 KiB
flags: lm nx pae sse sse2 sse3 ssse3 bogomips: 8778
Speed: 2195 MHz min/max: 1200/2200 MHz Core speeds (MHz): 1: 2195
2: 2195
Graphics: Device-1: Intel Mobile 4 Series Integrated Graphics vendor: Acer
Incorporated ALI
driver: i915 v: kernel bus ID: 00:02.0 chip ID: 8086:2a42
Display: x11 server: X.Org 1.19.6 driver: modesetting unloaded:
fbdev,vesa
resolution: 1600x900~60Hz
OpenGL: renderer: Mesa DRI Mobile Intel GM45 Express v: 2.1 Mesa
19.2.8
direct render: Yes
Audio: Device-1: Intel 82801I HD Audio vendor: Acer Incorporated ALI
driver: snd_hda_intel
v: kernel bus ID: 00:1b.0 chip ID: 8086:293e
Sound Server: ALSA v: k4.15.0-91-generic
Network: Device-1: Qualcomm Atheros AR928X Wireless Network Adapter vendor:
Lite-On
driver: ath9k v: kernel port: 5000 bus ID: 04:00.0 chip ID:
168c:002a
IF: wlp4s0 state: up mac: <filter>
Device-2: Qualcomm Atheros AR8132 Fast Ethernet vendor: Acer
Incorporated ALI
driver: atl1c v: 1.0.1.1-NAPI port: 1000 bus ID: 05:00.0 chip ID:
1969:1062
IF: enp5s0 state: down mac: <filter>
Drives: Local Storage: total: 465.76 GiB used: 33.06 GiB (7.1%)
ID-1: /dev/sda vendor: Western Digital model: WD5000BEVT-22A0RT0
size: 465.76 GiB
speed: 3.0 Gb/s serial: <filter>
Partition: ID-1: / size: 211.37 GiB used: 33.06 GiB (15.6%) fs: ext4 dev:
/dev/sda5
Sensors: System Temperatures: cpu: 54.0 C mobo: N/A
Fan Speeds (RPM): N/A
Repos: No active apt repos in: /etc/apt/sources.list
Active apt repos in: /etc/apt/sources.list.d/google-chrome.list
1: deb [arch=amd64] http: //dl.google.com/linux/chrome/deb/ stable
main
Active apt repos in:
/etc/apt/sources.list.d/official-package-repositories.list
1: deb http: //mint.remi.lu tricia main upstream import backport
2: deb http: //ubuntu.mirror.serverloft.de/ubuntu bionic main
restricted universe multiverse
3: deb http: //ubuntu.mirror.serverloft.de/ubuntu bionic-updates
main restricted universe multiverse
4: deb http: //ubuntu.mirror.serverloft.de/ubuntu bionic-backports
main restricted universe multiverse
5: deb http: //security.ubuntu.com/ubuntu/ bionic-security main
restricted universe multiverse
6: deb http: //archive.canonical.com/ubuntu/ bionic partner
Active apt repos in: /etc/apt/sources.list.d/skype-stable.list
1: deb [arch=amd64] https: //repo.skype.com/deb stable main
Active apt repos in: /etc/apt/sources.list.d/teamviewer.list
1: deb http: //linux.teamviewer.com/deb stable main
Info: Processes: 214 Uptime: 8h 09m Memory: 3.78 GiB used: 2.69 GiB
(71.0%) Init: systemd
v: 237 runlevel: 5 Compilers: gcc: 7.5.0 alt: 7 Client: Unknown
python3.6 client
inxi: 3.0.32
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