Flashing Light / Warning light on Case of Desktop PC

[agh55]

Hi, I have never noticed this before. on top of my case adjacent to the on-off switch there is an LED flashing with what looks like a cylinder. Is this something to worry about. My main C drive is an SSD and the D drive is a 3TB HDD. I fitted an additional 2 sticks of RAM today. Can anyone please help and advise

 

[SpyderTracks]

Hi, I have never noticed this before. on top of my case adjacent to the on-off switch there is an LED flashing with what looks like a cylinder. Is this something to worry about. My main C drive is an SSD and the D drive is a 3TB HDD. I fitted an additional 2 sticks of RAM today. Can anyone please help and advise

It's the drive status, shows drive activity. It's a standard activity light on any pc or laptop.

 

[agh55]

Hi, thanks for your prompt reply, I don't know how i have never noticed this before.