My PC won't shutdown properly or take a while to bootup (with new case) (opens in new tab)

So recently, after I bought a western digital n71000 nvme 1TB, whenever I have it slotted in the PC won't shutdown fully, like the RGB and fans would still running. I tried all the fixes like powercfg off, Erp enabled, fast startup(I don't see this option in my window 11 actually), updated everything from driver to bios, but no dice. i have to hold the power button on PC to shut it down.Funny enough, Yesterday when I was about to take it to the hardware shop to buy a 4000d frame Corsair case,...