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HP Stream weak wifi with Linux


  11:47:00 am by wdawe, Categories: General

I installed Centos 7 on an HP Stream which has too small of a drive to allow you to update Windows 10. Everything went well until I tried to connect to the network via wifi. The wifi connected but really didn't work. lspci shows that the machine uses a Realtek RTL8723BE PCIe Wireless Network Adapter.

Some Googling led me to https://askubuntu.com/questions/883673/rtl8723be-wifi-incredibly-weak on askubuntu.com. Running the following command as root and rebooting fixed the problem.
#sudo tee /etc/modprobe.d/rtl8723be.conf <<< "options rtl8723be ant_sel=1"

Recently I upgraded my kernel and ran into weak wifi again, I edited /etc/modprobe.d/rtl8273be.conf and changed ant_sel=1 to ant_sel=2 and everything was fine again.

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