BSOD one week after CPU upgrade

mazyarjr

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Dec 26, 2007
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Hi, I'm facing a dilemma and appreciate any advice.
A week ago I changed the stock i3-2100 cpu in a mid-2011 Dell Inspiron 620 at my office to a used i5-2500 I bought from ebay. I specifically looked for the non-K model (SR00T) assuming that with the locked multiplier it has probably not been exposed to much OCing and abuse. Computer started up fine and everything looked ok in bios and windows (7 ultimate 64-bit). Did prime test overnight with temps maxing at around 80 and no stability issue. Everything was fine until last night when I was running a remote session via Logmein to this computer when I was locked out. Next day when I went to office, saw the computer non responsive. Got a BSOD upon restart but it restarted fine the second time. Ran the Dell pre-boot diagnostic tests and everything passed (including cpu and memory). However, the computer started to show multiple BSODs later that day to the point that it couldn't load windows normally anymore (see screen shot below), while safe mode worked without issues. Doing clean boot and restoring to a number of earlier restore points didn't help. So I switched the CPUs again and sure enough, the computer started up normally with the old i3-2100 with no errors or BSODs.
So, here is the dilemma - I am still within the return period of the i5 cpu and can send it back to the seller, so is it safe to assume that the cpu is somehow defective, or could it be related to other issues (e.g. power supply not being adequate)? I searched here and have seen others installing similar 95w cpus in these machines, so I thought the PS should be able to handle it but then again if the cpu is defective, how come it wasn't flagged in the pre-boot cpu test or did cause issues while being torture-test under prime? What would you do if you were in my shoes?
Thanks!

PS: The computer uses integrated gpu and it has 2 HDDs plus an optical drive and 2x4GB ram.

11bt3ee.jpg
 
Here are a couple links which may help

http://www.tomshardware.co.uk/answers/id-1803347/bsod-page-fault-nonpaged-area-problem.html

http://www.tomshardware.com/answers/id-2122840/fix-bsod-page-fault-nonpaged-area.html

It appears it's usually ram related. Is there any chance you bumped one of the ram sticks installing the cpu? Maybe try reseating them and as the links above suggest trying one at a time. Unfortunately bsod errors are pretty vague and don't lead you straight to the problem so a bit of testing is in order to verify it's not the ram. I know it seems unlikely for ram to be bad at the same time you replaced the processor but quirkier things have happened. While unlikely, doesn't mean impossible.
 

alienworkshop

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Dec 31, 2013
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sounds like your cpu is defected or your computer doesn't support it properly. is the i3 not enough for your computer needs? if you have the patience, i would try another i5 and if you get the same results, you know it doesn't properly support the cpu. might want to research in getting one that is compatible with your system. remember, research first before you buy another. and finally, i would return that i5 asap.
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edit: also, looking up bsod's won't really help, cause i know i had some problems with my custom built and when i looked up the error code for the bsod, it had NOTHING to do with the problem. as a lot of those bsod errors leads to a output info of a memory problem, which usually isn't the case. i think that's something they really need to fix. cause my bsod when i looked it up said it was a memory problem, when in fact, it wasn't.

also, i'm not reccomending this, but maybe a updated bios flash would help. again, i don't reccomend doing this as it could lead to permanent errors.
 

mazyarjr

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Dec 26, 2007
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Thanks, yes I already tried with each ram stick at a time and the result was the same. Will check out your links too. Thanks!
 

mazyarjr

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Dec 26, 2007
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Sounds reasonable to me. I did a search and found a few users reporting this cpu to be compatible but I didn't take the chance and bought it from a seller with return option. And to tell you the truth, the i3 was/is quite sufficient for the task, but I guess from time to time we are all guilty of becoming obsessed with doing an upgrade just for the sake of it, don't you think so? ;)
Thanks!
 

alienworkshop

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Dec 31, 2013
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yeah, i agree, lol. np.

yeah, cause i remember getting a bsod until i updated my bios. it was my dual xeon workstation. kind of similar to your problem. i would get a bsod with my new processors. and my error code lead to a memory problem like yours. again, i don't reccomend updating the bios, but hey if you know what your doing you might want to give it a shot, as it probably won't hurt to update your bios anyway. if not, then your computer simply probably doesn't support it.
 
Sorry that didn't work for you. I agree bsod's are so vague it's not even funny. Same as a check engine light in a car. I would have thought a 2nd gen locked core i5 would work on the same motherboard as a 2nd gen i3 but then again it is a dell. Many branded systems use proprietary hardware, maybe that particular dell motherboard isn't playing nice with the i5. Or maybe there is in fact something faulty with the cpu.

It's hard finding system info on that pc since it's reached its end of life according to dell (2011). I'm not certain what exact motherboards they used although it appears the inspiron 620 came with the i3 2100 option as well as an i5 2310. I don't know if it makes any difference, both chips are lga 1155 but the i3 is a 65w cpu while the i5's are 95w cpu's. Maybe it's possible that the board they used in their i3 systems doesn't support 95w cpu's?

Unfortunately I couldn't find a list of compatible cpu's but someone else had an issue with upgrading their 620 with an i5 and had to send the cpu back.
https://uk.answers.yahoo.com/question/index?qid=20140112234912AAYjbXc
 

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