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I just got my Raspberry Pi B+ together with a WiFi dongle from ThePiHut and am now trying to connect it to my WiFi.

It works, at least sometimes.

After booting the Pi, I do not get an automatic connection, but first have to execute ifup --force wlan0. Before I do this, the adapter does not even show up in the WPA_GUI.

But this only solves the porblem temporarily. After a short period of time (5-15 Minutes), the connection will drop and the WiFi_GUI says

could not get status from wpa_supplicant

which I can resolve by doing into the command line again and executing ifup --force wlan0 once more, before dropping again and so on.

Is there a solution to this? Is it just a screwed up configuration file or something that easy?

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    How are you powering the WiFi adapter? Can you test it with a powered hub? Most intermittent failures are power related. – Steve Robillard Oct 1 '14 at 23:09
  • Its plugged into one of the Pi's USB ports. Its this one: [The Pi Hut USB-WLAN-Adapter für Raspberry Pi](The Pi Hut USB-WLAN-Adapter für Raspberry Pi) – AndMim Oct 3 '14 at 0:13
  • I would suggest trying it in a powered hub to rule out inadequate power as aa root cause. – Steve Robillard Oct 3 '14 at 0:16
  • Its this one: The Pi Hut USB-WLAN-Adapter für Raspberry Pi. I don't have a powered HUB :( – AndMim Oct 3 '14 at 0:20
  • I have no way of knowing if that will work without a powered hub on your particular Pi. – Steve Robillard Oct 3 '14 at 0:25
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Have you tried disabling power management? Type iwconfig to determine if power management is on or off for the adapter, then edit /etc/netowrk/interfaces and add this line wireless-power off but the line for this code appears to change from user to user. See the thread for more:

Raspberry Pi Forum thread

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