corsair h115i pro

Hi Everyone. I left my PC on this afternoon to download some stuff from Steam but i've just come back to it dead. I turn it on and the two fans on the H115i whir up to full speed and the RGB on the CPU block are red. The BIOS says that the CPU is at about 90 decC; then it goes dead. The two...

The ID cooler has good but very limited reviews, the H115i is a refurb. These are similar price, which is better?

I'm building my first PC unaided, and have no experience with liquid cooling at all. I've ordered all the bits I think I need. I've opted for a corsair h115i pro kit for the CPU and have a Asus rog maximus x formula motherboard on the way. Can anybody give some advice / recommendations on the...