open my computer --> drive c --> documents and settings --> username na gamit mo --> application data (this is hidden by default) --> mozilla --> profiles --> open whatever folder you see there
then look for bookmarks.bak, or bookmarks-1.html, bookmarks-2.html, etc etc
look for the previous bookmarks list you used. once you find it, rename the file to bookmarks.html. thats it. it should restore all the bookmarks you have in your firefox
