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I'm using Ubuntu 14.04 LTS and my laptop WiFi stopped working after some time. It remains stopped until I reboot my system.

Command:

lspci -knn | grep Net -A2

Output:

08:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8723BE PCIe Wireless Network Adapter [10ec:b723]
Subsystem: Hewlett-Packard Company Device [103c:2231]
Kernel driver in use: rtl8723be
Govind Samrow
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1 Answers1

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Press Ctrl+Alt+T

On terminal type this command

rfkill unblock all

This will help you if you have soft blocks on your network interface

If it doesn't work try these

ifup This command will bring your network interface up.Run this as your root by specifying your network interface

If you don't know your name of your network interface try this command ifconfig -a

anand mbs
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Raghul M
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  • Nothing blocked:rfkill list all 0: hci0: Bluetooth Soft blocked: no Hard blocked: no 1: phy0: Wireless LAN Soft blocked: no Hard blocked: no – Govind Samrow Jul 11 '16 at 04:41
  • Try with that it may help you – Raghul M Jul 11 '16 at 04:57
  • @GovindSamrow: Please [edit] your post, when you want to add information. Especially file or program output listings (with the help of the {} button in the editor toolbar) are much more readable there; alternatively you can use a pastie service for longer listings and include the link of your pastie in your question. Overall it's best to have everything relevant in one place. Additionally, comments may be deleted for various reasons. – David Foerster Jul 11 '16 at 08:30