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I have a HP ac123tx laptop. A few days ago I installed Ubuntu 16.04. I don't know much about Linux but I want to learn. But the Wifi is not connecting. It seems some driver is missing, I tried to install but it did not work.

My network card details:

07:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller (rev 07)
13:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8723BE PCIe Wireless Network Adapter
Shubham Jangid
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1 Answers1

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seems to be a known issue, trying to edit this file (first make a backup of it)

/etc/modprobe.d/rtl8723be.conf

add the following text: 

options rtl8723be fwlps=N ips=N

did this reboot

oscarandrea
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  • I searched for that file but it says that No such file or directory exists. – Shubham Jangid Apr 16 '17 at 16:26
  • try: sudo apt-get install linux-headers-generic build-essential git; git clone http://github.com/lwfinger/rtlwifi_new.git; cd rtlwifi_new; make; sudo make install; sudo gedit /etc/modprobe.d/rtl8723be.conf; options rtl8723be fwlps=0 swlps=0 – oscarandrea Apr 16 '17 at 19:03
  • @ShubhamJangid That's normal - if you don't have this file by default you can create it – Zanna Apr 17 '17 at 05:35
  • After doing all this I'm getting this: Set document metadata failed: Setting attribute metadata::gedit-encoding not supported – Shubham Jangid Apr 17 '17 at 07:56
  • Then use another editor (nano, vim, etc) to edit the file – oscarandrea Apr 17 '17 at 08:33