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I have a Lenovo G50 and I have a RTL8723BE PCIe Wireless Network Adapter.

I am using a Kubuntu 14.04 and my kernel version is: 3.13.0-45-generic

I am having some problems with the wifi. At the beginning it seems it works, but after 10-15 minutes I have cuts on my signal and the wifi doesn't work.

How can I fix that?

Many Thanks.

Joan Nadal Brotat
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2 Answers2

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wget -N -t 5 -T 10 https://www.kernel.org/pub/linux/kernel/projects/backports/stable/v3.18.1/backports-3.18.1-1.tar.xz

tar -xf backports-3.18.1-1.tar.xz

cd ~/backports-3.18.1-1

make defconfig-rtlwifi

make

sudo make install Reboot and enjoy wifi

Jeremy31
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I had been struggling with this issue for months. Here's what finally worked for me:

Download the latest driver (you might have to install git first)

git clone http://github.com/lwfinger/rtlwifi_new.git

Change into the new directory you just created

cd rtlwifi_new

Compile and install the new driver

make
sudo make install

Edit the settings for the driver

echo "options rtl8723be fwlps=0 swlps=0" | sudo tee /etc/modprobe.d/rtl8723be.conf

It's probably a good idea to take a look at that file to make sure that worked. Some people say the "swlps=0" part of the command above is unnecessary. I'm not sure but it doesn't seem to be hurting anything.

Reboot.

Good luck!

Ron Collins
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