Did you install a battery? And was it new or the same one from the old motherboard? It it's the old one, you might want to try a new one. -no guarantees!
Forum Member since 2004
I am not a Dell employee
Display is now split down the middle with 2 identical images?
I can add the replacement motherboard is an exact match for the old, same graphics chips etc
Sounds like a bad motherboard ... maybe even worse than the first one.
Well, you tried. But it is old so time to move-on.