Lg G3 D690 USA but using in Pakistan

I update it myself inmarshmallow but its gone off after that upto now not getting on Myself I try it several time to get on but nothing showing anything dark screen but when I put in PC there I just can listen a connect sound nothing more so is possible to on it again

from Android Forums at AndroidCentral.com - Ask a Question //forums.androidcentral.com/ask-question/757975-lg-g3-d690-usa-but-using-pakistan-new-post.html
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