CPU Consistently over 99C

Medblackstar · Jul 5, 2017

I built my computer a little over a year ago, I have an I5-4590 CPU, a Z97 MSI mobo and a Lepa 240 water cooler. I recently had a fan go out on the water cooler and after swapping it out (tested working fine) my temps have skyrocketed. Please note that I am currently not overclocking. My water cooler is set to exhaust mode (pushes air up through the radiator and out of the top of the case)

I used to idle around 35-40C and within an hour I'm running at over 99C. I've checked and the pump and both radiator fans are plugged in (block plugged into system fan port, set to 100% in bios, radiator fans in both cpu fan ports also set to 100%) I've checked the block on the cpu and it is attached firmly. Any ideas as to why this may be happening?

It was working fine until I swapped out the noisy fan. I have not, as of yet, swapped around the power cables for the pump and fans, and I have not reseated the water cooler block, which will be my next steps once I'm off work.

Parts list:
LEPA LPWAC240-HF AquaChanger 240 Liquid CPU Cooler 240mm
Intel Core i5-4590 Haswell Quad-Core 3.3 GHz LGA 1150 84W BX80646I54590
MSI Z97 PC Mate LGA 1150 Intel Z97 HDMI SATA 6Gb/s USB 3.0 ATX Intel Motherboard

thomas123321 · Jul 6, 2017

Medblackstar :

I built my computer a little over a year ago, I have an I5-4590 CPU, a Z97 MSI mobo and a Lepa 240 water cooler. I recently had a fan go out on the water cooler and after swapping it out (tested working fine) my temps have skyrocketed. Please note that I am currently not overclocking. My water cooler is set to exhaust mode (pushes air up through the radiator and out of the top of the case)

I used to idle around 35-40C and within an hour I'm running at over 99C. I've checked and the pump and both radiator fans are plugged in (block plugged into system fan port, set to 100% in bios, radiator fans in both cpu fan ports also set to 100%) I've checked the block on the cpu and it is attached firmly. Any ideas as to why this may be happening?

It was working fine until I swapped out the noisy fan. I have not, as of yet, swapped around the power cables for the pump and fans, and I have not reseated the water cooler block, which will be my next steps once I'm off work.

Parts list:
LEPA LPWAC240-HF AquaChanger 240 Liquid CPU Cooler 240mm
Intel Core i5-4590 Haswell Quad-Core 3.3 GHz LGA 1150 84W BX80646I54590
MSI Z97 PC Mate LGA 1150 Intel Z97 HDMI SATA 6Gb/s USB 3.0 ATX Intel Motherboard

Well did you replace the same model of the fan? are there any background applications using up cpu? Well is there any waterleak, can you hear any rumbling sounds in the pipes?

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CPU Consistently over 99C

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