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Dead CPU

B

Bigntasty

Weaksauce
Joined
Jul 12, 2004
Messages
70
I tried overclocking my E8400 and got it up to 3.8Ghz with 1.34V and everything was running stable. I ran prime 95 for like 10 hours no errors, and the CPU temps were ~45C under load, individual core temps were like 55-60C. I settled but a couple days later I was playing a game and it started artifacting and blue screened. Then as it rebooted into vista it crashed again, now it posts but freezes there and won't let me go to bios or anything, I tried my bros processor and it works fine in the system.

Is there anything I can do? Did I get a shitty chip or something? I had CPU temp alarm on at 60C so it didn't overheat. Do I need to buy a new chip or will Intel take it back?


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Did you reset the bios manually? So it goes back to defaults?

I would try that and see if it boots.
 
Yeah I reset CMOS, I also switched out every piece of hardware in the thing before I tried the CPU. Also I put the CPU in the brother's comp and it also freezes on the post screen.

Yeah the artifacting made me think GPU at first but definitely not.
 
Did I probably just get a bad chip? I trying to figure out if I should attempt to OC the new one I get.
 
Bigntasty said:
Did I probably just get a bad chip? I trying to figure out if I should attempt to OC the new one I get.
Click to expand...

OC'ing doesn't usually do that, I don't think. I spend a lot of time over at Overclock.net and I haven't seen a post like that yet, so I wouldn't worry TOO much about trying to OC your next processor. It looks like you got some quality components, so you should be fine there. This may have been just a fluke.
 
I had artifacts once with a bad CPU. I'm not kidding, I know exactly what you mean.
Looks like your CPU took a dump. You should be able to get a replacement...(don't talk about the OC stuff :eek: )
 
if there are artifacts, usually it would be the videocard overheating.. Maybe a bad processor, or the motherboard is overvolting, whatever values you put in by a bit.
 
rma your cpu. intel is very quick. if they ask what happened (they wont, but you might have to type out a sentence or 2) tell them the truth - it was ok, then it wasnt. that vcore and that little oc wont harm a cpu. you wouldnt believe the volts i have put into processors for months at at time and they are ok.
 
You cannot rma your CPU. Overclocking voids warranty. That is the risk you take when you overclock.
 
All electronic parts have a Mean Time Between Failure rating. That isn't a number meaning that all of the parts will live that long. Just the average part. Some will last longer, some shorter.

I have had 1 processor go bad on me (other than physical damage, damn flip chips.) That was a Celeron 433. It was not clocked at all, just died. I RMA'd it and was told it was back ordered so I just bought a new 566 or whatever the newer chip was that I could afford at the time. Intel lost my RMA, so I called them back in 6 months to remind them I was owed a chip. They finally sent one the next week. I don't think it ever went into a MOBO.

My friend had the onboard cache go bad on a processor. It wouldn't boot windows, but if you went into the bios and turned off cache, it would boot, veeeeerrrrrryyyyyy sssssslllllllloooooooowwwwwwwlllllyyyyyy.

Don
 
Bigntasty said:
Yeah I reset CMOS, I also switched out every piece of hardware in the thing before I tried the CPU. Also I put the CPU in the brother's comp and it also freezes on the post screen.

Yeah the artifacting made me think GPU at first but definitely not.
Click to expand...

I don't think it is physically possible for your unstable CPU to cause artifacts

Robstar said:
You cannot rma your CPU. Overclocking voids warranty. That is the risk you take when you overclock.
Click to expand...

:rolleyes::rolleyes::rolleyes:

Yes you can, the clock speed is controlled purely by the motherboard

Is it ethically right to....thats debatable, but can you...absolutely
 
chinesepiratefood said:
I don't think it is physically possible for your unstable CPU to cause artifacts



:rolleyes::rolleyes::rolleyes:

Yes you can, the clock speed is controlled purely by the motherboard

Is it ethically right to....thats debatable, but can you...absolutely
Click to expand...

While I have HEARD that they can tell if a chip was overclocked, I have never heard of anyone who overclocked a chip getting an RMA denied by Intel.

Give it a try and see what they say. What's the worse that can happen, they say "NO."

Now, if this was AMD, I would say that 1 unethical RMA could put them over the top to insolvency. But since this is Intel.....

Please post your results back here though.

Don
 
chinesepiratefood said:
I don't think it is physically possible for your unstable CPU to cause artifacts
Click to expand...

Considering he tried his CPU in another system and it failed to post and he tried another CPU in his system and everything started working again, it seems that it certainly IS physically possible. While it's rare, obviously it isn't impossible. Let's not forget that it is the CPU that sends data to the GPU, if the CPU went bad and starts sending corrupted data, I can see how artifacting can occur.
 
Robstar said:
You cannot rma your CPU. Overclocking voids warranty. That is the risk you take when you overclock.
Click to expand...

It sounds like it may be dead - and it sounds like it probably isn't related to overclocking since it seems to have just croaked for no reason, no heat, no insane voltage etc.

Also, can anyone point to actual Intel warranty documentation (not something in a slide deck) where it says overclocking always voids your warranty? I found this:

if the Product is properly used and installed, it will be free from defects in material and workmanship, and will substantially conform to Intel’s publicly available specifi catios for a
period of three (3) years beginning on the date the Product was purchased in its original sealed packaging in the case of an Original Purchaser, and for a period of three (3) years beginning on the date of purchase of a computer system containing the Product for an Original System Customer.
Click to expand...

Yes, the OP overclocked but where did he improperly use the product? He didn't violate the VID spec here: http://processorfinder.intel.com/details.aspx?sSpec=SLAPL

He also monitored the heat situation and never saw any heat issues.

Those things alone should not ever kill a processor and if they do, I say RMA it.
 
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