Corsair 750d power button left LED not working properly

Allen_ · Dec 21, 2015

I recently built a computer using the corsair obsidian 750d as my case. Sometimes, the rIght LED light is blinking. It is rarely FULLY on and it is most likely always off. I watched a youtube video and that guy's 750d also had only one led light working. Is it supposed to work like this?

link (at 0:50 you can see only 1 led light is working):
https://www.youtube.com/watch?v=CkpzPWw-T0Q

Dragos Manea · Dec 21, 2015

That led isnt the HDD led? If it is, it lights only when hdd is used.

Copy some filles from somewhere to anywhere if it lights when the filles are copied then it is the hdd led

Allen_ · Dec 21, 2015

oh... im using an ssd that would explain it...

Dragos Manea · Dec 21, 2015

Allen_ :

It doesnt matter if it is a ssd or hdd, any storage media conected on a sata port will make the led light is case of activity, so try to copy filles on your ssd and see if it lights up or it blinks.

neuronet · Jul 2, 2016

I had the same question. When power is on, only the left light on the power button is on, just like in the video you posted (great example, BTW). I just booted to bios will let you know once I start using hard drive, if the right LED starts to blink, because i definitely connected a HDD light to the front panel connecters in my mobo.

Dragos Manea · Jul 4, 2016

The hdd led is +/- sensible, on other words if dont connect - on - and + on + it wont light.

neuronet · Aug 9, 2016

As Dragos said, the right light is a "saving to hard drive" indicator. The left light is on when the power is on. The right light will only blink a bit on temporarily when you are saving to your hard drive. It will typically be off unless you are saving a huge file or something. It doesn't matter if you are using SSD or HDD, it should work either way (I am using SSD only).

They could do a better job making this clear in their documentation, it is actually not explained at all in my manual that came with the tower.

Also, shouldn't the title of this thread be 'right LED' not 'left LED'? Just sayin

Dragos Manea · Aug 9, 2016

neuronet :

In his last video it is working so he fixed it

https://www.youtube.com/watch?v=ny1UOM_L5KI

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Corsair 750d power button left LED not working properly

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