Question 8700k died after professional delidding

May 28, 2021
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I wanted go get my CPU delidded after temps started to peak at 99C while gaming, stayed above 80C. I blamed it on the AIO liquid cooler first, got that replaced. But temps stayed high above 90C.

I got the delidding done professionally. After I received my CPU back, temps dropped to 61C under full load PRIME 95. I watched it for 5 minutes thinking that all my problems were finally solved. I left the computer with the PRIME95 running for 4 hours. When I came back the monitor was showing black screen. I forced a shutdown by pressing the power button. When I started the computer again it never posted. CPU LED on the motherboard turned up, and error code showed 00.

I bought a new 9700k immediately from Microcenter. It works. I bought a cheap motherboard to test the 8700k, it didn't work. 9700k also worked on the new motherboard.

9700k idles at 29C at stock settings. If I run the PRIME 95 it reaches 99C just like my old CPU. Stock settings were trash (pushing the voltage to 1.45v). So I overclocked to 5Ghz at 1.35v. Temps are around 70 while gaming.


Cooler: H115i RGB pro XT
Ram: 32GB 3000Mhz CL15
Motherboard: ASUS Maximus Hero X WIFI
GPU:6800 XT

I just wanted to share my experience. I am not sure if I could have prevented the CPU failure if I was there to watch the PRIME95 test.
 

Reclusive Eagle

Prominent
Apr 8, 2020
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"Professional" means nothing.
As a photographer I've seen "Professional" "world renowned" photographers in South Africa deliver the most garbage work I have ever seen complete with water marks and a zebra border for a paying client... Turns out "world renowned" means he went to America once and was featured in a budget magazine.

Go get your money back
 

Mr.Spock

Respectable
"professional" delidding could describe Geek Squad work so take it with a grain of salt...
might've been a faulty chip, but it voided the warranty so we'll never know.

certain versions of Prime are not recommended for specific Intel processors overstressing the FPUs, usually they just throttle though - however your setup may have allowed for catastrophic failure before shutdown...
 
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