Yes, but I still could not install the driver that I download from the official web to the Ubuntu system It's a source code document and I couldn't do ./configure after I tried to use the command: make it gives me error: implicit declaration of function ‘daemonize’ [-Werror=implicit-function-declaration]
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sorry for my formating – SIX JINMING Dec 21 '17 at 01:22
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I suspect that the required driver is already included in all recent Ubuntu versions. Let's identify the device first. Please edit your question to add the result of the terminal command: `lsusb`. Welcome to Ask Ubuntu. – chili555 Dec 21 '17 at 01:39
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So it's working fine now? – chili555 Dec 22 '17 at 01:17
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Please read my answer again: "this circa-2011 driver won’t compile in any recent Ubuntu version." The answer to how can you compile this very old driver is that you cannot. – chili555 Dec 22 '17 at 01:21
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hmmmmm.Sorry I missed that part – SIX JINMING Dec 22 '17 at 01:22
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If my answer was helpful, please accept it: https://askubuntu.com/tour The searchers will appreciate it. – chili555 Dec 22 '17 at 01:28
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Where is the accept option? – SIX JINMING Dec 22 '17 at 01:29
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Never mind, have a nice day! – SIX JINMING Dec 22 '17 at 01:29
1 Answers
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I suspect that you tried to install a different driver because your device won’t connect. However, this circa-2011 driver won’t compile in any recent Ubuntu version.
I suspect that the required driver is already included in all recent Ubuntu versions. You can check from the terminal:
lsmod | grep rtl
If you find that both rtl8192cu and rtl8xxxu are loaded, then blacklist one:
sudo -i
echo "blacklist rtl8192cu" >> /etc/modprobe.d/blacklist.conf
exit
You will probably also need a change to Network Manager:
sudo nano /etc/NetworkManager/NetworkManager.conf
Add a new section as follows:
[device]
wifi.scan-rand-mac-address=no
Proofread carefully, save and close the text editor.
After making these changes, reboot and let us hear the result.
chili555
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Comments are not for extended discussion; this conversation has been [moved to chat](http://chat.stackexchange.com/rooms/70649/discussion-on-answer-by-chili555-i-bought-alfa-awus036nhr-v2-wireless-adapter-bu). – Thomas Ward Dec 22 '17 at 01:49