Arduino Yun wont boot wifi after Unplug

Hey people
I just finish all the coding with the slider
everything work perfectly
but now my problem is after i unplug the power
then replug it in. it only show the yellow LED(usually there is a blink for USB/white led)
i cant go to arduino.local. The reality Editor wont detect.
but when i connected thru the usb. it show that my yun is working.
anyone have to same problem?

sorry im new with arduino.
Hope someone can help me :smiley:

Maybe your Problem is related to this one? readWrite example disturbs boot of linux chip

You could try to update the firmware…