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I have installed ubuntu mate 16.04 in my HP Pavilion 15-ab032tx Notebook. (windows 8.1 is also there though i have dual booted).
I have updated and upgraded by:
sudo apt-get update
sudo apt-get upgrade - in terminal
then I found wifi signals shows very poor and often disconnects. But when i log into 'Windows' wifi gets full signal strength and stable.


then I searched lot for solution
I tried:
Unstable Wifi Connection Ubuntu 14.04
https://help.ubuntu.com/community/WifiDocs/Driver/Ndiswrapper
and many more methods
but still no solution
I am new to ubuntu..
help me to fix this please. thanks..
some informations that may require for solution are below:

hardware info:
after typing sudo lshw in terminal
`my pc                      
    description: Notebook
    product: HP Pavilion Notebook
    vendor: Hewlett-Packard
    version: Type1ProductConfigId
    serial: ###
    width: 64 bits
    capabilities: smbios-2.8 dmi-2.8 vsyscall32
    configuration: administrator_password=disabled boot=normal chassis=notebook family=103C_5335KV G=N L=CON B=HP S=PAV X=Null sku=### uuid=###      



           *-network
                description: Wireless interface
                product: RTL8723BE PCIe Wireless Network Adapter
                vendor: Realtek Semiconductor Co., Ltd.
                physical id: 0
                bus info: pci@0000:08:00.0
                logical name: wlo1
                version: 00
                serial: d8:5d:e2:62:c4:65
                width: 64 bits
                clock: 33MHz
                capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
                configuration: broadcast=yes driver=rtl8723be driverversion=4.4.0-28-generic firmware=N/A ip=192.168.0.100 latency=0 link=yes multicast=yes wireless=IEEE 802.11bgn
                resources: irq:18 ioport:5000(size=256) memory:c6100000-c6103fff

`
and
product info:
http://support.hp.com/sk-en/document/c04700593

I am extremely very sorry for the long post
please help me to fix this problem. Thanks in advance...

1 Answers1

3

I suggest that you try, from a terminal:

sudo -i
echo "options rtl8723be ant_sel=1"  >  /etc/modprobe.d/rtl8723be.conf
exit

Reboot and tell us if the performance is improved.

chili555
  • 60,188
  • I tried as you said but same performance . No improvement . Please show me another way to fix this problem. – S.Hillol Jul 09 '16 at 20:59
  • Please see my edit above. I suggest you try instead: ant_sel=1 – chili555 Jul 09 '16 at 21:21
  • it worked... thanks a ton... you made my day... – S.Hillol Jul 11 '16 at 05:02
  • Wifi works but bluetooth doesn't work. Sorry, I didn't check it earlier. Please help me to fix this. I even don't know if wifi and bluetooth uses same hardware or not. It shows in the specification of my hp that, wireless connectivity:- 802.11b/g/n (1x1) and Bluetooth 4.0 combo (Miracast compatible), WiDi – S.Hillol Jul 11 '16 at 09:46
  • I think that bluetooth is the subject for a new question. Be sure to include the result of: dmesg | grep -i blue Missing firmware?? Glad the wireless is working as expected. – chili555 Jul 11 '16 at 12:13
  • I have posted the bluetooth problem in http://askubuntu.com/questions/797635/bluetooth-is-not-working-in-ubuntu-mate-16-04-on-hp-pavilion-15-ab032tx-notebook – S.Hillol Jul 15 '16 at 12:53