Assuming your friend knows what he is doing/talking about, there won't be much you can do. There is a possibility that your neck is bowed. A truss rod adjustment would help if it is, but if you don't know what you're doing it could ruin the guitar. For truss rod adjustments, less is more.
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So the guitar played fine up until a couple months ago?
Assuming your friend knows what he is doing/talking about, there won't be much you can do. There is a possibility that your neck is bowed. A truss rod adjustment would help if it is, but if you don't know what you're doing it could ruin the guitar. For truss rod adjustments, less is more.
Assuming your friend knows what he is doing/talking about, there won't be much you can do. There is a possibility that your neck is bowed. A truss rod adjustment would help if it is, but if you don't know what you're doing it could ruin the guitar. For truss rod adjustments, less is more.