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RTL8723DE Working with signal, but never connects [duplicate]

Wi-Fi speed on my laptop with RTL8723DE is a bit slow and its range is also very low, what to do?MSI ST 12 Laptop Wirless drive RT8723AE doesn't find any nearby routersRealtek driver RTL8723BE not working in Ubuntu 16.04 (kernel 4.4)Wifi not working on Realtek rtl8723be wifi adapterOld Toshiba laptop freezes after connecting to wifi; ethernet works fine (Ubuntu 14.04.5 LTS)Wifi Signal Weak Ubuntu 18.04wifi “network DISABLED” device not ready

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margin-bottom:0;

5

2

I have signal, but wifi never connects. I use kubuntu 19.04. I tried to follow this steps.

git clone -b extended https://github.com/lwfinger/rtlwifi_new.git

sudo dkms add ./rtlwifi_new

sudo dkms install rtlwifi-new/0.6

And works to show my wifi icon, but I`cant connect (obviusly I put my password).

Then I tried:

sudo modprobe -r rtl8723de && sudo modprobe rtl8723de

But nothing.

What hapend whit this wifi card? Why is so hard to configure?

wireless kubuntu

share|improve this question

edited Oct 1 at 23:18

Angel

asked Oct 1 at 23:04

AngelAngel

15144 bronze badges

add a comment
 | 

5

2

I have signal, but wifi never connects. I use kubuntu 19.04. I tried to follow this steps.

git clone -b extended https://github.com/lwfinger/rtlwifi_new.git

sudo dkms add ./rtlwifi_new

sudo dkms install rtlwifi-new/0.6

And works to show my wifi icon, but I`cant connect (obviusly I put my password).

Then I tried:

sudo modprobe -r rtl8723de && sudo modprobe rtl8723de

But nothing.

What hapend whit this wifi card? Why is so hard to configure?

wireless kubuntu

share|improve this question

edited Oct 1 at 23:18

Angel

asked Oct 1 at 23:04

AngelAngel

15144 bronze badges

add a comment
 | 

I have signal, but wifi never connects. I use kubuntu 19.04. I tried to follow this steps.

git clone -b extended https://github.com/lwfinger/rtlwifi_new.git

sudo dkms add ./rtlwifi_new

sudo dkms install rtlwifi-new/0.6

And works to show my wifi icon, but I`cant connect (obviusly I put my password).

Then I tried:

sudo modprobe -r rtl8723de && sudo modprobe rtl8723de

But nothing.

What hapend whit this wifi card? Why is so hard to configure?

wireless kubuntu

share|improve this question

edited Oct 1 at 23:18

Angel

asked Oct 1 at 23:04

AngelAngel

15144 bronze badges

git clone -b extended https://github.com/lwfinger/rtlwifi_new.git

sudo dkms add ./rtlwifi_new

sudo dkms install rtlwifi-new/0.6

sudo modprobe -r rtl8723de && sudo modprobe rtl8723de

share|improve this question

edited Oct 1 at 23:18

Angel

asked Oct 1 at 23:04

AngelAngel

15144 bronze badges

share|improve this question

edited Oct 1 at 23:18

Angel

asked Oct 1 at 23:04

AngelAngel

15144 bronze badges

asked Oct 1 at 23:04

AngelAngel

15144 bronze badges

asked Oct 1 at 23:04

AngelAngel

15144 bronze badges

1 Answer
1

active

oldest

votes

9

Run in a terminal

sudo tee /etc/modprobe.d/rtl8723de.conf <<< "options rtl8723de ant_sel=2"

and reboot.

If this doesn't help, try ant_sel=1.

Your laptop has only one wireless antenna connected to the wireless adapter. The adapter is designed to work with one or two antennas.

Auto selection of antennas doesn't work in Linux drivers. So you need to tell the driver which antenna is in use.

If a wrong one is selected, you have very low signal. The adapter can see access points, but the signal is not enough to connect.

This command creates a config file that sets the antenna 2 to be in use.

share|improve this answer

edited Oct 1 at 23:19

answered Oct 1 at 23:08

Pilot6Pilot6

60.7k1919 gold badges131131 silver badges216216 bronze badges

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Perfect!. Is working!. So, why I need to do this?
  
  – Angel
  Oct 1 at 23:15
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  I'll add an explanation.
  
  – Pilot6
  Oct 1 at 23:15
  

  
  
  
  

add a comment
 | 

9

Run in a terminal

sudo tee /etc/modprobe.d/rtl8723de.conf <<< "options rtl8723de ant_sel=2"

and reboot.

If this doesn't help, try ant_sel=1.

Your laptop has only one wireless antenna connected to the wireless adapter. The adapter is designed to work with one or two antennas.

Auto selection of antennas doesn't work in Linux drivers. So you need to tell the driver which antenna is in use.

If a wrong one is selected, you have very low signal. The adapter can see access points, but the signal is not enough to connect.

This command creates a config file that sets the antenna 2 to be in use.

share|improve this answer

edited Oct 1 at 23:19

answered Oct 1 at 23:08

Pilot6Pilot6

60.7k1919 gold badges131131 silver badges216216 bronze badges

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Perfect!. Is working!. So, why I need to do this?
  
  – Angel
  Oct 1 at 23:15
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  I'll add an explanation.
  
  – Pilot6
  Oct 1 at 23:15
  

  
  
  
  

add a comment
 | 

9

Run in a terminal

sudo tee /etc/modprobe.d/rtl8723de.conf <<< "options rtl8723de ant_sel=2"

and reboot.

If this doesn't help, try ant_sel=1.

Your laptop has only one wireless antenna connected to the wireless adapter. The adapter is designed to work with one or two antennas.

Auto selection of antennas doesn't work in Linux drivers. So you need to tell the driver which antenna is in use.

If a wrong one is selected, you have very low signal. The adapter can see access points, but the signal is not enough to connect.

This command creates a config file that sets the antenna 2 to be in use.

share|improve this answer

edited Oct 1 at 23:19

answered Oct 1 at 23:08

Pilot6Pilot6

60.7k1919 gold badges131131 silver badges216216 bronze badges

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Perfect!. Is working!. So, why I need to do this?
  
  – Angel
  Oct 1 at 23:15
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  I'll add an explanation.
  
  – Pilot6
  Oct 1 at 23:15
  

  
  
  
  

add a comment
 | 

Run in a terminal

sudo tee /etc/modprobe.d/rtl8723de.conf <<< "options rtl8723de ant_sel=2"

and reboot.

If this doesn't help, try ant_sel=1.

Your laptop has only one wireless antenna connected to the wireless adapter. The adapter is designed to work with one or two antennas.

Auto selection of antennas doesn't work in Linux drivers. So you need to tell the driver which antenna is in use.

If a wrong one is selected, you have very low signal. The adapter can see access points, but the signal is not enough to connect.

This command creates a config file that sets the antenna 2 to be in use.

share|improve this answer

edited Oct 1 at 23:19

answered Oct 1 at 23:08

Pilot6Pilot6

60.7k1919 gold badges131131 silver badges216216 bronze badges

sudo tee /etc/modprobe.d/rtl8723de.conf <<< "options rtl8723de ant_sel=2"

share|improve this answer

edited Oct 1 at 23:19

answered Oct 1 at 23:08

Pilot6Pilot6

60.7k1919 gold badges131131 silver badges216216 bronze badges

answered Oct 1 at 23:08

Pilot6Pilot6

60.7k1919 gold badges131131 silver badges216216 bronze badges

answered Oct 1 at 23:08

Pilot6Pilot6

60.7k1919 gold badges131131 silver badges216216 bronze badges