On Wed, Dec 24, 2014 at 9:25 AM, chrispy141 <[email protected]> wrote: > Hi everyone, > > > I'm fairly new to Beaglebone as well as Linux (been messing with them about > 6 months). I managed to get my Beaglebone Black connected to wifi, but only > when the lcd4 cape is installed. When it's booted without the cape, it > doesn't appear to pick up the router. The wifi dongle is powered (indicated > by light when on), but 'ip address' command gives me this: > > > 3: wlan0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc mq state DOWN > qlen 1000 > > link/ether 80:1f:02:f5:2e:23 brd ff:ff:ff:ff:ff:ff > > > like I said. If I were to shut it down, install the lcd4 cape, and boot up, > it connects just fine. > > > Any ideas? > > > I'm using BBB revision C > > > Distribution info: > > Linux beaglebone 3.8.13-bone50 #1 SMP Tue May 13 13:24:52 UTC 2014 armv7l > GNU/Linux > > > as for the wifi device: > > > Bus 001 Device 002: ID 7392:7811 Edimax Technology Co., Ltd EW-7811Un > 802.11n Wireless Adapter [Realtek RTL8188CUS]
The antenna on those small rtl8188's is too close to the hdmi connector (and hdmi ground). Either get a usb extension cable, or disable the hdmi port (like using an lcd cape..) Regards, -- Robert Nelson http://www.rcn-ee.com/ -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
