Free HDD LED is a amazing light indicator to shows hard disk drive activity in real time in the system tray area. Also it provide features a free disk space monitor (works also for pen drives, network drives and True Crypt drives). HDD LED monitors all physical hard disk drives connected to the pc (ide/sata/usb). Works fine all Microsoft windows XP and window 7.
Extract the zip file on a new folder.
Run setup.exe and enjoy colorful HD light.