Why thats happens when a hard drive light stays on

[Techtonico]

Hello,

 

[Azorlorn]

That means your laptop is using the hard drive. If you laptop is on, it is normal.

 

[alan777]

Hello,

HDD light stays on presario. Uninstalled software, ran advanced system care, defraged etc.

Still on..?

How can i determine what is causing this?

thabns