LG magic remote buttons mixed

[Yassinea]

Hello,
my magic remote control buttons have become mixed , when I press the back button it mutes the TV, when I press the power button it does nothing.
I have tried to reset the remote by holding the back and home button for 5 seconds but it didn't work since the back button don't work correctly.
please help
my TV: LG 47LB650V-ZN
Remote: AN-MR500G

 

[Yassinea]

It seems that I have used some bad quality batteries, they leaked on the circuit board of the remote control.
I solved the problem by cleaning It with alcohol