Re: WiFi works during install, not after
On Sun 23 Oct 2016 at 17:09:06 -0400, Carl Fink wrote:
> So I have a ThinkPad Yoga 11s ultrabook.
>
> If I copy over the firmware-realtek package, Debian can install just fine
> over the WiFi connection. (I don't have wired internet at my home.)
>
> After install, everything is fine, except I can't connect to the WiFi. I
> know it's possible because the installer does it!
Did you install a desktop *during* the installation?
> The wlan0 interface exists and is up, but "dhclient wlan0" ends up assigning
> 169.169.254.8.192, which is not a routable address. As you might expect,
> attempts to ping/connect to external systems via IP address fail with
> "Destination host unreachable" and of course, DNS lookups universally fail.
>
> This ultrabook is supposed to have the rtl8723au chipset, which is a USB
> 802.11/Bluetooth chipset that for some reason Lenovo used in the laptop,
> with an inside-the-case-only USB connection.
>
> The firmware-realtek package is installed on the ultrabook.
>
> Interestingly, the rtl8723au module is NOT loaded, and "modprobe rtl8723au"
> fails with a message about the module not being found, even though it's
> right there if I "locate rtl8723au", in the drivers/staging directory. Maybe
> the staging area isn't used by default? I confess I don't remember how to
> change the path that is searched for loadable modules.
>
> Any insights would be most gratefully received.
Firmware and module names are not necessarily the same. Look at the
output of 'lsmod'.
--
Brian.
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