Question GPU takes between 5-10 minutes to start, what may be the problem?

Nov 30, 2019
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I recently bought an "ASUS GeForce RTX 2080 Ti" graphics card.
When i first bought it, it would start up normally right away.
But recently it doesn't start up right away. To be able to boot up my computer, i have to hit the power-button and wait until i hear the fans on the GPU starts, this usually takes 5-10 minutes. Then hit the reset button. If i don't do this, it won't start properly. I suspsect this is a PSU problem, and have ordered a new one.
I am just wondering if there is something else that might be the problem here?