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This question already has an answer here:

I have a new HP-15bs015dx laptop which has Realtek RTL8723DE Wireless network card. I dual booted with Windows 10 and Ubuntu 16.04.1 with 4.4.0-31-generic kernel. Now, I am unable to connect to internet in Ubuntu.

I wonder if there is any driver firmware for DE series after looking at this page which mentions firmware upto 8723BE only.

https://help.ubuntu.com/community/HardwareSupportComponentsWirelessNetworkCardsRealTek

If it is not the case, how can I setup my WLAN card working?Any help would be greatly appreciated

marked as duplicate by karel, Charles Green, George Udosen, Panther, ravery Dec 29 '17 at 8:53

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

  • a quick search suggest that there is not yet a linux driver for the DE card – ravery Sep 26 '17 at 15:21
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    ...same as this: askubuntu.com/questions/952495/… – mikewhatever Sep 26 '17 at 15:21
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    Solution here: ubuntuforums.org/… You need the instruction for kernels lower than 4.10 – praseodym Dec 28 '17 at 13:34
  • You should promote your comment to an answer, or Rusting Gold should update his! :) Thanks!! – deivid Dec 29 '17 at 19:26
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There is no driver available as of now for RTL8723DE adapter. https://github.com/lwfinger/rtlwifi_new/issues/267

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I too have this HP laptop. The WiFi driver for Linux is indeed not available currently since Realtek has not released it. Larry Finger says that the driver should be released by the end of this year.

Also NDISwrapper works only with Windows XP drivers and this network card only has drivers for Windows 7 and up.

So you have three options left:

  1. Wait till Realtek releases the driver.
  2. Keep nagging Realtek for the driver.
  3. Contribute to the driver yourself. (Trust me, it's not that hard :)

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