i7 4790k overheating - is it dying on me?

sierraoscar

Reputable
Oct 7, 2017
13
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4,520
Hi all,

Brief run down of my current setup:

- Core i7 4790K
- ASUS Z97 Deluxe
- 16GB DDR4 3200
- Nvidia 980GTX

I'm using Windows 10 and it's installed on a SSD - I'm using three SSD's and a HD in total.

Basically, I'm having serious overheating issues with the CPU. It's never been overclocked. It only properly came to my attention since I started playing Player: Unknown Battlegrounds, which is undoubtedly intensive on the CPU. When I first started playing the game I would get infrequent BSOD's, but over the course of a couple of months it started becoming much more frequent.

I started monitoring the CPU temperatures and sure enough the BSOD's were coinciding with the temperature hitting a sweltering 100C. The CPU is idling at high temperatures too - right now its at 54C in the Bios utility window alone.

I was having strange issues with the system on and off over the last six months - for example at times I'd get a BSOD randomly and the Bios would have difficulty starting windows when I restarted. It would get stuck in a loop and hang at the Windows loading screen. I also got a warning that the Bios couldn't detect any hard drives after a BSOD while playing pubg today, after a while it started working again.

I've already reapplied the thermal paste but it didn't seem to have much of an impact. I'm using the standard stock cooler - it's running at 100% pretty much constantly now. I've throughly cleaned it of dust (there wasn't much).

I suspect the CPU itself is dying, would overheating such as this indicate that it's on its last legs? Or perhaps its the stock cooler?

I don't have any BSOD issues playing other games. For example I play Battlefield 1 regularly and I've no issues, but the CPU is reaching 75 - 85C when playing that.

I'm planning an upgrade to a 8700K shortly and I don't want to spend money troubleshooting this (new cooler and so on) if people reckon the CPU itself is dying. On the other hand, if it's another issue I would consider spending a bit of money fixing it as it would be handy to have the CPU in a secondary computer I use now and then.

What do people reckon?
 
Solution
The stock cooler isn't going to cut it. You need a good cooler for the K series. This is why the K series doesn't come with a stock cooler. I would suggest the H7 but the 8700K will need a better cooler. The cryorig H5 should easily cool the stock 8700K and even work with your old 4790K. It supports just about every motherboard Intel has made in the past 5 years. There is a full list of all sockets supported in the link.
PCPartPicker part list / Price breakdown by merchant

CPU Cooler: CRYORIG - H5 Universal 65.0 CFM CPU Cooler ($42.89 @ OutletPC)
Total: $42.89
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2017-10-07 15:52 EDT-0400
The stock cooler isn't going to cut it. You need a good cooler for the K series. This is why the K series doesn't come with a stock cooler. I would suggest the H7 but the 8700K will need a better cooler. The cryorig H5 should easily cool the stock 8700K and even work with your old 4790K. It supports just about every motherboard Intel has made in the past 5 years. There is a full list of all sockets supported in the link.
PCPartPicker part list / Price breakdown by merchant

CPU Cooler: CRYORIG - H5 Universal 65.0 CFM CPU Cooler ($42.89 @ OutletPC)
Total: $42.89
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2017-10-07 15:52 EDT-0400
 
Solution
CPU dying isn't what causes that. If this is something new and wasn't a problem before and assuming that the temperature sensor is actually correct and the fan is working properly, there are really only 2 things that could be causing this.

1. The cooler isn't properly seated on the CPU

2. The thermal paste seal between the IHS and CPU die has somehow gone bad (unlikely).

If I were you I'd just buy something like a Cryorig H7 and make sure it's seated properly. Would probably solve this issue.
 
Definitely replace the Intel stock CPU cooler. It's seems about right that you are hitting 100C on CPU loads with that.

See here: https://www.techspot.com/article/927-temperature-impact-cpu-performance/
2014-12-08-image-3.jpg

Graph above is using the non-K/non-overclockable (i7-4790), and still reaches 100C

Another graph of how bad the Intel stock CPU cooler performs (this time on an i5-6600K):
3.9.png


Get a good aftermarket cooler, and it will make a big difference in decreasing temps of your i7:
Thermaltake-Water-3.0-Ultimate-Temperaturas-Ranking-600x696.jpg

6553_26_thermaltake_water_3_0_ultimate_360mm_aio_cpu_cooler_review.png
 
A decent air cooler is a good investment. If you're willing to spend a bit more I might get a Noctua, they're really quiet and Noctua will send you mounting hardware for any new sockets free of charge. If you just want something cheap then there are some great options too.
 

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