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Message 21 of 60
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  1. Hi @Ashish_Nagdev: The correct firmware to load is rtl8723d_fw.bin and rtl8723d_config.bin to get bluetooth working. Not rtl8723b*. As explained in the first post, bluetooth for RTL8723DE is working only in kernel 4.17-rc2 and newer. Your kernel version is 4.13.x and unfortunately, it will not work. May be patching and recompiling kernel can get it working - But it is an expert work.

    So, which distro are you using? If it is Ubuntu or Linux mint, install latest kernel 4.17.x from kernel mainline PPA. https://wiki.ubuntu.com/Kernel/MainlineBuilds . You will need to install kernel, headers and will need to rebuild RTL8723DE wireless module. Better wait for kernel 4.17 to be released. If interested to install manually, as of now (3/5/2018), the latest packages to download and install are:
      linux-headers-4.17.0-041700rc3_4.17.0-041700rc3.201804300800_all.deb
      linux-headers-4.17.0-041700rc3-generic_4.17.0-041700rc3.201804300800_amd64.deb
      linux-image-unsigned-4.17.0-041700rc3-generic_4.17.0-041700rc3.201804300800_amd64.deb
      linux-modules-4.17.0-041700rc3-generic_4.17.0-041700rc3.201804300800_amd64.deb

    I am spoonfeeding :)! But, you know right? You have to download above .debs and move or copy all the above files to a directory created - say, Ubuntu-kernel (~/Ubuntu-kernel). Now, open a terminal and install:
    :~$ mkdir ~/Ubuntu-kernel
    :~$ cd ~/Ubuntu-kernel
    :~$ sudo dpkg -i *.deb
    :~$ sync && sync


    @Ashish_Nagdevwrote:

    I am getting following utput and seems issue in rtl8723b_config.bin file:

     

     dmesg |grep -i  rtl8723
    [   30.550444] Bluetooth: hci0: rtl: loading rtl_bt/rtl8723b_config.bin
    [   30.704029] bluetooth hci0: Direct firmware load for rtl_bt/rtl8723b_config.bin failed with error -2
    [   30.704032] Bluetooth: hci0: rtl: loading rtl_bt/rtl8723b_fw.bin
    [   31.886673] rtl8723be: Using firmware rtlwifi/rtl8723befw_36.bin
    [   32.165187] rtl8723be 0000:03:00.0 wlo1: renamed from wlan0
    [   38.556048] rtl8723be: error H2C cmd because of Fw download fail!!!
    [   38.556068] WARNING: CPU: 0 PID: 33 at /build/linux-hwe-v6kHHF/linux-hwe-4.13.0/drivers/net/wireless/realtek/rtlwifi/rtl8723be/fw.c:227 rtl8723be_fill_h2c_cmd+0x434/0x460 [rtl8723be]


 

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Message 22 of 60
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@kryshotwrote:

 

hello friend,  I could not solve my problem, I did everything idicated but I did not have wifi in ubuntu 18.04

 

help?

 my network adapter  is: 

 RTL8723DE


I understands that, you may perhaps expecting an official support from HP or something like that, as we get in Windows. Unfortunately, this is not possible as of now, in Linux. Some work needs to be done, to get the driver installed.

 

To get WiFi, make sure you have linux kernel, headers all are installed. Use dkms to build as explained in the first post. You have to install "git" to download sources. And, these all will need using command line (terminal). I hope you are OK with this. The official support for RTL8723DE in Linux kernel will come by 2019 or later. 

 

If you are OK with terminal usage, follow the HOWTO in the first post. Ask which step are you getting confused, perhaps, we can help. Yes, you must have to follow the steps to download the realtek rtl8723de driver sources from git, compile, build it and later install. While, building and installing, carefully look at the terminal that everything was built and installed. If it errors, may be we need to look out for the reason. Also, It may need a reboot to get it working. Cheers.

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this is work for my hp laptop bu020tu model. and it probably it'll work with all hp latop buXXX series and etc.

 

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it is not working for me

GETTING THIS ERROR

sudo modprobe -v rtl8723de ant_sel=2
insmod /lib/modules/4.15.0-22-generic/kernel/drivers/net/wireless/realtek/rtlwifi/rtlwifi.ko
modprobe: ERROR: could not insert 'rtl8723de': Required key not available
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@hrits wrote:

it is not working for me

GETTING THIS ERROR

sudo modprobe -v rtl8723de ant_sel=2
insmod /lib/modules/4.15.0-22-generic/kernel/drivers/net/wireless/realtek/rtlwifi/rtlwifi.ko
modprobe: ERROR: could not insert 'rtl8723de': Required key not available

Which Linux distro? Are you using a old distro and older kernel (<= 4.4.x)? The easy answer is to disable secureboot and also disable legacy BIOS (if enabled) in the BIOS/UEFI setup. Still, with a new laptop like these, I will recommend you to upgrade to a recent distribution like Ubuntu 18.04 LTS or Fedora/Debian etc. As per the available sources, this error is due to UEFI key issue.

 

EDIT: Did not see the kernel version is 4.15.xx .

 

The detailed steps are explained here:

https://askubuntu.com/a/762255/314168

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I am on Ubuntu 18.04 and kernel version 4.15.0-22-generic. I am still getting the same error. Have tried this link : https://askubuntu.com/a/762255/314168

 

And after the BIOS setup I think that my windows driver are damaged. So I also have to Reset my windows now...

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@hrits wrote:

I am on Ubuntu 18.04 and kernel version 4.15.0-22-generic. I am still getting the same error. Have tried this link : https://askubuntu.com/a/762255/314168

 

And after the BIOS setup I think that my windows driver are damaged. So I also have to Reset my windows now...


Secureboot, re-enabling will not corrupt Windows 10. It is the grub which needs updating. In BIOS, IIRC, you can select Windows boot manager directly and save, if you want to check Windows EFI boot manager is working fine. BIOS Boot options, I believe lists two boot managers - Windows boot manager and Linux (ubuntu).

 

https://askubuntu.com/questions/852005/is-re-enabling-secure-boot-in-uefi-secure

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Thanks I would do that for windows. But now how can I run  WiFi on my ubuntu 18.04.

Network adapter : Realtek Semiconductor d723

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@hrits wrote:

Thanks I would do that for windows. But now how can I run  WiFi on my ubuntu 18.04.

Network adapter : Realtek Semiconductor d723


I have no experience with Secureboot and Linux. Something  pole opposite. May be you can use "mokutil" as explained in the previous link: https://askubuntu.com/questions/762254/why-do-i-get-required-key-not-available-when-install-3rd-part...

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Just go into BIOS/UEFI settings and disable Secure Boot, Ubuntu doesn't need it as I run 18.04 on a Lenovo without it enabled

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