Mengatasi Soundcard pada Acer 4315

Jika soundcard Anda

# No sound at all
# Low volume output
# High pitched noise
# Poor sound quality
# Sound disappears when touching volume controls
# Sound works at random after each reboot
# No mic working
# Sound only plays through headphon

Silahkan Update versi terakhir dengan perintah:

sudo aptitude install build-essential libncurses-dev gettext linux-headers-`uname -r







Download versi terakhir alsa dari Alsa project (driver, lib, and utils) ato klik disini 

silahkan download:
Cari versi terakhir!

ftp://ftp.alsa-project.org/pub/driver/
ftp://ftp.alsa-project.org/pub/lib/
ftp://ftp.alsa-project.org/pub/utils/



* Setup installation directories

sudo mkdir -p /usr/src/alsa
cd /usr/src/alsa
sudo cp ~/downloads/alsa* .
sudo tar xjf alsa-driver*.bz2
sudo tar xjf alsa-lib*.tar.bz2
sudo tar xjf alsa-utils*.tar.bz2

* Compile and install alsa-driver

cd alsa-driver*
sudo ./configure --with-cards=hda-intel --with-kernel=/usr/src/linux-headers-$(uname -r)
sudo make
sudo make install

* Compile and install alsa-lib

cd ../alsa-lib*
sudo ./configure
sudo make
sudo make install

* Compile and install alsa-utils

cd ../alsa-utils*
sudo ./configure
sudo make
sudo make install

Note that you must have the curses library installed to be able to compile alsa-utils. You can install it with this command from a terminal: sudo apt-get install libncurses5-dev

* Reboot
* if you have no sound, run dmesg and look for the string "snd_"

lebih jelasnya
cari di:  https://help.ubuntu.com/community/FindPage

screenshot alsamixer: