[SOLVED] Watercooled Asus Tuf 3070Ti suddenly starts to run hot ?

[Multyspeed]

Hi all,
I have 3070 Ti Tuf watercooled, and the problem is that from 5-6 days I'm seeing temperatures like 74-75C. My card is undervolted and before (with the same config and settings) never got above 60-61C. It doesn't matter if it's in 3DMark or games like Overwatch, PUBG, ETS2, etc.
Do you have any idea where I should look for the problem? There is no dust in the system. The water itself doesn't exceed 35C.

 

[Fix_that_Glitch]

My guess would be it is time to replace the thermal paste on the gpu.

 

[Multyspeed]

It was done a few days ago and the temps are ok now. The paste was brand new, but maybe it was my mistake when I applied it the first time.
Now overclocked stays at 51C which is ok I think.

 

[Fix_that_Glitch]

It was done a few days ago and the temps are ok now. The paste was brand new, but maybe it was my mistake when I applied it the first time.
Now overclocked stays at 51C which is ok I think.

51C is lower than average for an oc, so you are doing well now. Perhaps when you closed the card back up after applying the thermal paste the first time, the cooling plate did not seat well.

 

[Multyspeed]

The first time, I spread the thermal paste with a "credit card" method. I guess there was a bit of air between the gpu and the block. This time I put the paste in the center of the die and let the block spread it.
So this is the result and I'm happy with it.
Thank you for the replay. Wish you all the best