I have just got a new laptop (Dell Inspiron 15) with Windows 10. I installed Ubuntu 14.04 Dual boot with wired internet and it works fine. The wireless does not work. It works when I log into Windows 10. It is hard-blocked. I have spent the better part of a day trying to fix it. I have reinstalled Ubuntu. When I do rfkill list all. It says phy0 Wireless LAN Hard blocked: yes. I tried rebooting too, to no avail. If I go to Systems Settings > Networks >Wireless. Airplane Mode was off, but i could switch that on. More importantly, Wireless is OFF and I cannot pull/switch it on. Interestingly, when I was installing Ubuntu, it was asking for a password for the wireless adapter (Intel Corporation Wireless 3160 (rev 83)).I had no idea what to do, but I just proceeded without putting a password and the next time with a password and it installed both time. When I interrut boot, and check in BIOS all wirelss lan/bluetooth are enabled. The kernel is 3.19.0-25-generic. Which is the only thing I have not tried to update. This post had suggested that (Cannot Connect To WiFi - Intel Corporation Wireless 3160). I would appreciate if anyone has any thoughts on how to fix this?
2 Answers
I notice that you have both dell-wmi and dell-laptop loaded as modules. Typically, these are helper modules that translate key presses, in your case, the wireless button, into action, turning on and off the wireless.
I wonder if both are intended to be loaded to control the wireless button. Let's try to remove first one and then the other and see if the wireless button now responds to presses. If we succeed, we'll blacklist the errant module.
From a terminal:
sudo modprobe -r dell-laptop
Now try the wireless button. Does it now enable the wireless?
rfkill list all
If not, reload it and unload the other:
sudo modprobe dell-laptop
sudo modprobe -r dell-wmi
Now try the wireless button. Does it now enable the wireless?
rfkill list all
When we determine which, if either, helps, I'll amend my answer to give guidance on how to blacklist the other.
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Nothing worked for me until I figured out this combination:
#!/bin/bash
rmmod dell laptop
rmmod dell-rbtn
rfkill unblock all
rfkill list
echo "Now press Fn+F1 keys, then wake up your notebook!"
You have to put your laptop to sleep, wake up your laptop, and unload the two modules at the top of the above code block before you get it to standby mode by pressing Fn+F1.
