I am using HP laptop with AMD processor with Cinnamon Mint 17..2. After installing Mint the Wireless network was working. Then I used Lan cabled wired network for better network speed. Since that time I am not able to work with wireless network' How do I search for available wireless networks and configure my wireless network?
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iwconfig
eth0 no wireless extensions.
wlan0 IEEE 802.11bgn ESSID:off/any
Mode:Managed Access Point: Not-Associated Tx-Power=20 dBm
Retry short limit:7 RTS thr=2347 B Fragment thr:off
Power Management:off
lo no wireless extensions.
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lspci -nn | grep 0280
02:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8723BE PCIe Wireless Network Adapter [10ec:b723]