I found this solution, and worked perfectly on a Lenovo g40-30 so it
should work in other lenovo pc...
quote:
for one time test:
sudo rmmod ideapad_laptop
for working after reboot:
echo "blacklist ideapad_laptop" | sudo tee -a /etc/modprobe.d
/blacklist-ideapad.conf
found it in: http://askubuntu.com/questions/507470/wifi-not-working-on-
ubuntu-14-04-lenovo-g-50-30/535976#535976
prior to that I re-installed the module, updated the kernel to 3.16, and
none of that worked.
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https://bugs.launchpad.net/bugs/1240940
Title:
Need support for Realtek Wifi card rtl8723be [10ec:b723]
Status in HWE Next Project:
Fix Released
Status in HWE Next trusty series:
Fix Released
Status in “linux” package in Ubuntu:
Fix Released
Status in “linux” source package in Trusty:
Fix Released
Bug description:
This device is appearing in some OEM machines, but driver is not yet
available upstream.
To manage notifications about this bug go to:
https://bugs.launchpad.net/hwe-next/+bug/1240940/+subscriptions
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