how much does a new motherboard cost please let me know thanks

[ajfaulkner1989]

black screen will not turn on battery will charge but my asus laptop will not turn on for some odd reason and do not know why do you

 

[DSzymborski]

There's absolutely no way to give any kind of answer without information about your laptop beyond "Asus laptop" and background on when the problem started and what you tried to do.