Bizarre cpu problem

[WhyWontItPost]

I'll keep it brief since I have a rough idea where the problem might be, but it still baffles me so I'd like to know if anyone had that happen and found a solution maybe.

 

Long story short, I got a suspiciously low priced i7 7700k to replace my i5, and astonishingly it was doing fine, maybe not the peak of it's kind but still pretty good. 

 

That is until I put on the heatsink, the moment any preasure other than the mounting thingy on lga 1151 is applied to the chip, and not even a lot of preasure, the passive weight of my heatsink is enough to make the processor just go litellary insane.

It starts generating memory errors, occasionally crashing the whole machine and generally slowing down.

 

Is there any explanation for it besides "I guess silicon is just quirky like that sometimes"? I don't even hope to recover the chip, I just want to know what happened to it.

[Dedayog]

3 minutes ago, WhyWontItPost said:

I'll keep it brief since I have a rough idea where the problem might be, but it still baffles me so I'd like to know if anyone had that happen and found a solution maybe.

 

Long story short, I got a suspiciously low priced i7 7700k to replace my i5, and astonishingly it was doing fine, maybe not the peak of it's kind but still pretty good. 

 

That is until I put on the heatsink, the moment any preasure other than the mounting thingy on lga 1151 is applied to the chip, and not even a lot of preasure, the passive weight of my heatsink is enough to make the processor just go litellary insane.

It starts generating memory errors, occasionally crashing the whole machine and generally slowing down.

 

Is there any explanation for it besides "I guess silicon is just quirky like that sometimes"? I don't even hope to recover the chip, I just want to know what happened to it.

No way we can know, but could be anything from a PSU catastrophic failure damage to a pin break and reattach, who knows?

 

You just got sold a bad CPU sounds like.

[emosun]

How were you able to test the cpu without a heatsink

[WhyWontItPost]

20 minutes ago, Dedayog said:

No way we can know, but could be anything from a PSU catastrophic failure damage to a pin break and reattach, who knows?

 

You just got sold a bad CPU sounds like.

Well I'd be able to test another psu, but I ruled that out since putting the heat sink on worked like a magic trick, I could litellary put it on mid memory test even without properly bolting it on, without any contact points besides the cpu itself (so I'm sure no shorts on screws happen), would cause it to instantly spew errors left and right.

 

It's not old enough to have pins, it has pads and the old cpu works perfectly on the same board, so it really baffles me.

[Dedayog]

Just now, WhyWontItPost said:

Well I'd be able to test another psu, but I ruled that out since putting the heat sink on worked like a magic trick, I could litellary put it on mid memory test even without properly bolting it on, without any contact points besides the cpu itself (so I'm sure no shorts on screws happen), would cause it to instantly spew errors left and right.

 

It's not old enough to have pins, it has pads and the old cpu works perfectly on the same board, so it really baffles me.

Yeah, I was completely guessing.  Since you acknowledge you bought it for a shockingly low price.... kind of clues you in up front.  It's busted, someone unloaded it on you.  

[WhyWontItPost]

1 minute ago, emosun said:

How were you able to test the cpu without a heatsink

I shortly removed it since I was out of ideas, I know it doesn't sound too bright, but the mounting mechanism holds it well enough for it to run fine before it manages to heat up.

[emosun]

So you ran the cpu without any heatsink on it and now it doesnt function

[WhyWontItPost]

Just now, emosun said:

So you ran the cpu without any heatsink on it and now it doesnt function

Well not entirely, of course I didn't pop that bad boy (litellary bad) in with no cooling to begin with, I only found it out after a bunch of testing since I though of stuff possibly shorting on it.

[emosun]

Ok well it should be said you never run a cpu without a heatsink not even for diagnostic  purposes. So whatever initial issue you may have had has now become several issues. If the cpu was ran without the heatsink theres no telling what damage has just been done to it vs whatever damage some other component may have had. So your current varible now includes the cpu itself which is typically the most reliable component on a pc.

[WhyWontItPost]

23 minutes ago, emosun said:

Ok well it should be said you never run a cpu without a heatsink not even for diagnostic  purposes. So whatever initial issue you may have had has now become several issues. If the cpu was ran without the heatsink theres no telling what damage has just been done to it vs whatever damage some other component may have had. So your current varible now includes the cpu itself which is typically the most reliable component on a pc.

 

Thanks for the critical look, I'll keep all of that in mind next time I get to touch a cpu.

If it was faulty from the start I still didn't exactly solve anything and did introduce more potential problems.

[emosun]

4 minutes ago, WhyWontItPost said:

 

Thanks for the critical look, I'll keep all of that in mind next time I get to touch a cpu.

If it was faulty from the start I still didn't exactly solve anything and did introduce more potential problems.

Well the idea is the cpu may have been fine and the motherboard or socket or power may have had an issue using that cpu

[WhyWontItPost]

19 minutes ago, emosun said:

Well the idea is the cpu may have been fine and the motherboard or socket or power may have had an issue using that cpu

Yeah was a lil hasty to assume if the old one worked this one has to.

Just in case I happen to get it working someday or if it'll turn out my other components are somehow to blame

I admit I'm not a smart man in advance.