I tried going to the network settings but it said that something is not compatible with the version that i am on or something like that. Please help me.
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1Hi and welcome to AskUbuntu. Your question does not provide any way for us to help you. Please update us with all the relevant details, including, but not being limited to: what is your hardware configuration, are you able to connect through ethernet, what is the exact message that you mentioned, and where/under what conditions is it displayed etc? Thanks. – Томица Кораћ May 01 '16 at 17:47
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First you need to check that if your wireless adapter is recognized properly or not ?
This command will list all the network cards in your computer. There should be one with Ethernet interface for normal LAN and other should be wireless interface
# lshw -C network
*-network
description: Ethernet interface
product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
vendor: Realtek Semiconductor Co., Ltd.
*-network
description: Wireless interface
product: RTL8723BE PCIe Wireless Network Adapter
vendor: Realtek Semiconductor Co., Ltd.
Once the adapter is there then you can try figuring out whether the drivers for that are installed correctly or not ? Once that is done, try restarting your machine.
After go into the network connections and try to add new network connections with wifi interface and wifi details.

Gaurav
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