Your hard disk is one of the most hard working components in your PC operating at amazing speeds and levels of accuracy but it only takes the slightest problem to damage it.
Hard disks contain parts designed to operate with precision to the nearest micro inch or at speeds topping as many a thousand of revolutions per minute. But there's no warning in Windows when your hard drive is about to die or is about to suffer from a potential crash. O&O DriveLED 2 is designed to let you know when it is time to backup your important data or even if it is necessary to replace the hard disk.
However, O&O DriveLED 2 only works with hard drives equipped with SMART technology which means most modern PCs and laptops although not all. It uses SMART to constantly monitor your hard disk for problems and issues while you you can use your PC with peace of mind.
O&O DriveLED 2 also supports multiple partitions, units networked virtual local units and it can distinguish between read and write operations. There's doesn't seem to be much slowdown of your drive while O&O DriveLED 2 is working so it won't interfere with your work.
O&O DriveLED 2 is not essential by any means but if your hard drive is old and you're worried about impending doom, then you should give it a go.