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Re: Realtek RTL8188CUS wireless usb stick on Stretch




On Tue, 2019-02-05 at 20:32 +0000, James Allsopp wrote:
> Hi,
> I'm having lots of problems getting this usb wireless dongle (Edimax)
> to pick up and connect to a wireless network. I'm not sure if there's
> a config from an older wireless  getting in the way. The hardware for
> that isn't installed anymore.
> 
> I'm running network manager in KDE
> 
> It's detected by lsusb
> Bus 002 Device 005: ID 7392:7811 Edimax Technology Co., Ltd EW-7811Un 
> 802.11n Wireless Adapter [Realtek RTL8188CUS]
> 
> I installed the realtek firmware;
> apt-get install firmware-realtek
> 
> The drivers seem loaded correctly (from lsmod)
> rtl8192cu              69632  0
> pcspkr                 16384  0
> rtl_usb                20480  1 rtl8192cu
> rtl8192c_common        53248  1 rtl8192cu
> rtlwifi                77824  3 rtl_usb,rtl8192c_common,rtl8192cu
> mac80211              671744  3 rtl_usb,rtlwifi,rtl8192cu
> snd_usb_audio         180224  2
> snd_usbmidi_lib        28672  1 snd_usb_audio
> cfg80211              589824  2 mac80211,rtlwifi
> 
> The widget can detect different AP's (I used a test one from my phone
> to confirm this), I see the one I want to connect to, but when I
> click on it, it just goes to "configuring interface" and then I get a
> disconnect notice, "wifi network could not be found". I've turned off
> the security on my phone ap to test and this made no difference. 
> 
> Can you point me in the general direction of how to start sorting
> this out?
> Thanks
> James
> 

Try adding this to /etc/NetworkManager/NetworkManager.conf


[device]
wifi.scan-rand-mac-address=no


Then restart NetworkManager:

# systemctl restart NetworkManager

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