Did you replace the battery yourself?
I have a question about that procedure, maybe you can advise me on this point. I downloaded the service manual for my ze5170 from HP and it says that when the screen and motherboard are disconnected, a Service Utility floppy disk is needed in order to reconnect them. The wording is vague, it sounds like they mean when a NEW screen or motherboard is used then the floppy is needed to help them communicate. It's hard to imagine that I would need this floppy if I'm just putting the same parts back together.
So if you did replace your battery yourself, how difficult was it, and did you need the SU floppy?
If you paid for it to be done, can I ask what it cost?