Re: 9V DC power adapter for my 7" Diagonal 1200x800 Display
You'll need to contact firstname.lastname@example.org
in the long run, but we run through the basic questions here in the forum.
In this case, there isn't much to ask other than "how long have you had it adapter?"
When you void a product warranty, you give up your right to sue the manufacturer if something goes wrong and accept full responsibility for whatever happens next. And then you truly own the product.