f12 how can I fix my thrashed gnome panels

[Skunk Worx]

Hi,

I thrashed my gnome panel geometries-- some components are in bad 
locations or not working properly, etc.

I had my KVM on another machine while f12 booted, then I logged in at 
the wrong (low) resolution to restart runlevel 5 (1,5) and this thrashed 
them for high res. going forward. Reboot, etc. doesn't fix them.

Is there a way to regenerate the panels with the correct geometry or 
should I just rebuild my account from scratch?

Thanks,
John