After installing Mavericks I had problems copying to the server. Was advised to remove the com.apple.finder.plist from Preferences. This worked - but now I have lost the menu bar from my second screen! How do I get that back?

Question

I have tried re-inserting the com.apple.finder.plist into my Preferences folder and re-booting - this didn't work.

Answer 1

First, that cannot be an iBook G4 as that machine cannot run Snow Leopard let alone Mountain Lion.  To run Snow Leopard it has to be an Intel processor, not a G4.  What does it show as the Model Identifier in About This Mac, More Info, System Report, Hardware, Model Identifier?
Second, if you have erased the hard drive there should not be remnants of any prior content.  Even though Disk Warrior is saying nothing is wrong with the hard drive, it sounds as though there are problems.  You may want to consider simply replacing the hard drive so there are no questions about faults.  A good source is OWC, http://www.macsales.com where they also have on-line videos showing how to do the replacement.
Third, you could also try again to restart using the Snow Leopard DVD/CD and use Disk Utility on that install disk to erase again, and do it a couple times, then try to install.  If it continues to refuse, then it sounds as though there is a fault with the hard drive.