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Today I've updated my Pi (model B) to raspian jessie and wanted to configure my wifi settings with the pre-installed network manager, wich is reachable in the right corner of the lxpanel.

But after every reboot I have to put in the passphrase again.

I've tried multiple ways to configure the wifi using /etc/network/interfaces and /etc/wpa_supplicant/wpa_supplicant.conf, but I'm not able to establish a wifi-connection, without the preinstalled graphical wifi-manager. I've even copied my old files from wheezy (which worked perfectly) to get things to work, but no chance ..

Now I've changed every file back to its original.

Does anyone know a solution for my problem?

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    I'm glad that you managed to solve your problem. Instead of entering the solution as an edit, could you post it as an answer? You can then accept it (for a reputation boost), and it will make the answer easier to find for future users who have the same problem. Commented Dec 13, 2015 at 22:19
  • Thank's for the advice! (have to wait several hours to mark my answer as solution) Commented Dec 13, 2015 at 22:26

1 Answer 1

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I've solved my problem by reinstalling raspbian and configuring the wifi via editing /etc/wpa_supplicant/wpa_supplicant.conf.

The preinstalled gui seems to be not working correctly in my case.

Please correct me if I'm wrong.

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