In ubuntu 14.04, why does my internet connection keep disconnecting?

Question

what could be causing repeated internet connection dropping on a wireless network (the wireless does not disconnect), which can be momentarily fixed by disconnecting and reconnecting in 14.04? Here is the wireless info list http://pastebin.com/ZgGxQ9qE

I am using a USB TP-Link TL-WN821N wireless adapter (Realtek rtl8192cu).

Please [edit] your question and add output of lspci -knn | grep Net -A2 terminal command. — Pilot6, Aug 19 '15 at 16:14
@Pilot6 - hi, I tried that command but it prints nothing on the terminal, if I type just lspci -knn there is a long list. — abzullah, Aug 19 '15 at 16:24
@Pilot6 - yes, it is a TP-Link TL-WN821N. But the wireless connection does not disconnect, I can ping the router at its ip address. — abzullah, Aug 19 '15 at 16:30
possible duplicate of WiFi connection much slower on 14.04 than windows — Pilot6, Aug 19 '15 at 16:30
@Pilot6 - hi, I'm doing as you suggested, but my internet speed isn't slow, it disconnects completely, even though the computer is still connected to the wireless network. When I disconnect and reconnect the internet is back and the speed is as fast as ever. — abzullah, Aug 19 '15 at 16:35
It does not matter. There may be various symptoms with the default driver. — Pilot6, Aug 19 '15 at 16:37

score 0 · Accepted Answer · answered Aug 19 '15 at 16:38

0

Install the driver by running in terminal:

sudo add-apt-repository ppa:hanipouspilot/rtlwifi
sudo apt-get update
sudo apt-get install rtl8192cu-dkms linux-firmware

Then reboot.

answered Aug 19 '15 at 16:38

Pilot6

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In ubuntu 14.04, why does my internet connection keep disconnecting?

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