Looks like a driver issue. I sanitized the instructions from several
sources, the person I was helping reported apparent initial success with
the Realtek driver built+installed manually:
1) Make sure the system is up to date and development tools are installed:
sudo apt-get update && sudo apt-get upgrade -y && sudo apt-get dist-upgrade -y
sudo apt-get install --reinstall build-essential
sudo apt-get install --reinstall linux-headers-generic
sudo apt-get install --reinstall linux-headers-`uname -r`
2) Get the appropriate driver file from realtek.com. Its name will end
with .tar.gz. The model you are looking for is RTL8191SE (NOT VA2).
3) Open a terminal, go to the folder where the file was saved:
$ cd Downloads
4) Uncompress the file:
$ tar -xvzf 92ce_se_de_linux_mac80211_0005.1230.2011.tar.gz
5) Change to the directory
$cd rtl_92ce_92se_92de_linux_mac80211_0005.1230.2011
6) Build & install
1. Change to Super User
$ sudo -s
2. Compile driver from the source code , install it to the kernel
# make && make install
3. Reboot:
# reboot
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https://bugs.launchpad.net/bugs/1000208
Title:
wifi network get disconnected periodically -- Realtek RTL8191SEvA
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