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I have an Intel Wireless 7260 Wi-Fi adapter with very bad Wi-Fi reception. So I thought it might be a driver issue. I tried Ndiswrapper and installed a driver I found for Windows. After a reboot, the "Enable WiFi" checkbox under the "Enable Networking" one in the network widget, had disappeared. I did completely remove ndiswrapper in Synaptics. After a reboot, it was not fixed.

Checking lshw -C network, I found that my network interface was listed as *-network UNCLAIMED. This seems to mean that no driver was installed for the interface.

How to re-enable or reinstall the Linux drivers for my Wi-Fi interface?

This is the output of wireless_script: https://gist.github.com/stevenroose/ca70fa14f14b54833465

$ tail /etc/modprobe.d/blacklist.conf
# nice pulseaudio bing (Ubuntu: #77010)
blacklist pcspkr

# EDAC driver for amd76x clashes with the agp driver preventing the aperture
# from being initialised (Ubuntu: #297750). Blacklist so that the driver
# continues to build and is installable for the few cases where its
# really needed.
blacklist amd76x_edac

blacklist ndiswrapper

The last line I added myself as suggested by a forum post I found somewhere. It shouldn't cause problems since ndiswrapper is already completely uninstalled.

share|improve this question
You may need to unblacklist its native driver. Add the output of tail /etc/modprobe.d/blacklist.conf to the question, hope your "fix" is gonna be there. –  mikewhatever Aug 8 '14 at 11:19
Done, no network interface driver in the file as far as I can recognize. –  Steven Roose Aug 8 '14 at 12:21
...then you need to follow the usual troubleshooting procedure, in other words, give us something to troubleshoot. ubuntuforums.org/showthread.php?t=2082305 –  mikewhatever Aug 8 '14 at 13:48
Thanks. It looks like the module for the "Intel Corporation Wireless 7260 [8086:08b1]" is iwlwifi, so try loading it with sudo modprobe iwlwifi. Here is a related question. –  mikewhatever Aug 8 '14 at 17:31
You might need to add iwlwifi to /etc/modules to make it autoload on startup. –  mikewhatever Aug 8 '14 at 20:39

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