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I have recently been having a problem where I leave my raspberry pi on connected to the internet as I am running an a apache server on it and when I come back to the Raspberry Pi about a day later the dongle isn't flashing blue like it usually does. I go to the wpa_gui and it says as the status 'Could not get status from spa_supplicant'. I tried taking out the dongle half way and then pushing it back in. This seems to get it working again but I had it working before where I could just leave it and it would stay connected to the internet. Does anyone have any ideas what I could do to stop it disconnecting?

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    Have you checked the logs? /var/log/udev and /var/log/dmesg might be good places to start. – Jacobm001 May 14 '15 at 22:03
  • what do i look for inside the dmesg? – mbh16 May 14 '15 at 22:07
  • I have changed the usb ports of the dongle to see what happens because before it all started to happen I seem to remember that i had my dongle on the bottom usb port and the usb hub on the top one. – mbh16 May 14 '15 at 22:19
  • It might also me a problem with your router. You should look into your router settings and see if it refreshes the router on a 24 hr basis for example. – NULL May 15 '15 at 1:32
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    great you got it sorted. Please add your solution as an answer with as much details regarding the driver versions and how you identified/updated them when you get the chance. – rob May 15 '15 at 7:22
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Maybe your wifi dongle entered in power saving mode, toit, you have to add "wireless-power off" in your "interfaces" file

1/ Type

sudo nano /etc/network/interfaces

2/ Add at the end of file

wireless-power off

3/ Reboot by typing :

sudo reboot

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