Busca el directorio My Places en tu viejo disco duro.

Si tienes suerte alli estarán.

Lo mas sencillo es hacer un backup de my places en un kmz antes de cambiar el sistema operativo.

Normalmente:

Quote::

C:\Documents and Settings\username\Application Data\Google\GoogleEarth\myplaces.kml (XP) C:\Users\username\AppData\Roaming \Google\GoogleEarth\myplaces.kml (Vista) "Macintosh HD" > username > "Library" > "Application Support" > "Google Earth" > "myplaces.kml" (Mac) Linux: /home/username/.googleearth/ or more generically ~/.googleearth/ (~/ is a shortcut for your own home directory)