Originally Posted by Annie Lestrange
I might buy myself a new N64 this Christmas
But what guarantees me that it isn't also an old console and just like mine, about to die?
If you do buy yourself a new N64, keep the old one so if something happens to the new one you can swap the parts from your old one.
EDIT: Clean all your cart's contacts with a q-tip and rubbing alcohol and see if it helps.