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I purchased a HP pavillion 15 ab011nx laptop with Windows 8.1 built in.The wifi works perfectly in windows but is really very weak in ubuntu that I can use wifi in lap only when I place lap very near to my modem.I tried to solve the issue with dkms rtl wifi commands shown in the results but still it is not working.Please help me find the correct solution.My ethernet too is not working.The details are as given below

08:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8723BE PCIe Wireless Network Adapter [10ec:b723]
    DeviceName: Realtek RTL8723BE 802.11b/g/n 1x1Wi-Fi + BT4.0 Combo Adapter
    Subsystem: Hewlett-Packard Company Device [103c:804c]
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  • Please edit your question and add output of lspci -knn | grep Net -A2 terminal command.
    – Pilot6
    Feb 7, 2016 at 8:31
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    Possible duplicate of Realtek 8723BE Wifi problem
    – Pilot6
    Feb 8, 2016 at 16:55
  • @pilot6 Thanks for your help.But this solution is not working for ubuntu 16.04.Please suggest a solution May 15, 2016 at 17:13
  • ant_sel setting should fix this.
    – Pilot6
    May 16, 2016 at 5:53
  • most of the solutions with ant_sel didnt work.Precisely the command used to set ant_sel is not working with me.Can you provide me any precise link to fix using ant_sel May 17, 2016 at 4:50

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