Wayne Chen updated October 25, 2011 at 2:42 PM
To reindex your root drive, follow these 5 commands.
sudo mdutil -i off /Volumes/your_hard_drive_name_1
sudo mdutil -E /Volumes/your_hard_drive_name_1
cd /
sudo rm -fr .Spotlight-V100
sudo mdutil -i on /Volumes/your_hard_drive_name_1