TL-WR840n v2 need help!

i have here tlwr840n v2 i have flashed it lede firmware at first it works fine...but when i try to restart ..i could not access the GUI...it's is not unidentified network access, i can ifconfig on it...but i cant ping the ip...and can access the gui...any fix on this....

god bless!!

Revert back to stock by using this tutorial on the TP-Link forums...

http://forum.tp-link.com/showthread.php?81462-How-to-recovery-the-router-when-you-bricked-it1

Rename the stock firmware file wr840nv2_tp_recovery.bin

Reflash LEDE using the squashfs-factory.bin file.

i follow what youve said sir jwoods..back to stock..still no luck no gui..can't ping the ip....i do a ipconfig...its there ...its not 169...i tried failsafe mode...yup its working fine...im on a puzzle....tried google ....but none...hopeless..

god bless sir!!!