I am trying to access the console of the yun.

I am trying to access the console of the yun.
however, I got the message showed in the figure attached.
I got one time typing " lin and ."

the message does not stop.

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U.Boot 1.1.5-linino-g1759316-dirty (Oct 4 2015 - 02:12:32)

Linux Board (ar9331) U-boot
DRAM:
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I have just bought the yun.

IMG_E0418[1].JPG

For first time use and configuration it is often best to use an Ethernet cable.

Then find the IP if the YUN via DHCP in your router and talk to it via the IP shown in there via a web page.

Yours does look to be stuck in a loop but I would try Ethernet first.
Errors / logs and such should really be posted using CODE TAGS ( </> ) btw.