- Jun 29, 2014
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- 4,510
Hi, first time posting, let me know if this needs more information.
Specs:
Asus Maximus VI Hero
i5-4670k
Gtx 780
650w power supply
Noctua DH-D14 air cooler
8GB Corsair Vengeance RAM @1600 MHZ
Windows 8.1
This is my first build, and I've only had it for about four months.
About a week ago I opened up realtemp (been doing this about once a week just to make sure temps are normal). I noticed that one of my cores appeared to have disappeared from the display (core 2). Even stranger, core 3 is now showing double the normal temp/temp of the other two cores. At idle cores 0 and 1 sit at ~30, core 2 appears to have disappeared from the display, and core 3 shows ~60. This is despite the load, vcore, and mainboard temp all being very low and pretty much normal. Moreover when I put my hand over the exhaust the air does not feel at all like it would at 60, very cool and what I've always felt when its at idle.
HWMonitor displays mainly the same thing, but for some reason it shows core 1 missing instead of two. Right now core 0 and core 2 are ~32, core 3 is ~65, vcore is 0.720, mainboard temp is ~30.
I went into the BIOS to make sure I hadn't turned off a core or anything on accident and noticed that the BIOS was now detecting the cpu as an "i5-6670k" with three cores. Looking in any hardware monitor programs I have only 3 cores being reported.
First off, I'm not sure if the temps on that core are actually that high since nothing else seems to suggest this is actually the case (voltage, board temp, air from case, etc). It almost seems like the the temp from the missing core is being added to another core's sensor. Also, if a core on the cpu had failed I don't see how that would raise the temp of another. Additionally I haven't had any BSODs or serious performance issues (there may be a bit of a hit due to the system only utilizing three cores but I can't really tell). This makes me think its probably a mobo problem but I really don't know enough to be sure.
What I'm mainly worried about is how to figure out where the problem is. I don't have an extra mobo or cpu lying around, nor do I have anywhere to borrow one from. I have already tried clearing the CMOS by using the provided jumper and by pulling out the battery and discharging the board. Both reset the CMOS correctly but neither affected the problem. This is my first build so I'm kind of nervous about something getting damaged, but as far as I can tell everything so far has been running smoothly, good temps, no issues up until this point. I'd had the cpu oc'ed to 4.2 ghz for about 3 months until I noticed this, but the temps never spiked over 70 even while playing games, and usually sat around 50-60, nor did I ever have BSODs or anything like that. I set it back to stock clocks when I noticed what happened but it didn't make a difference.
Anyone experienced this before or have any ideas?
Thanks.
Specs:
Asus Maximus VI Hero
i5-4670k
Gtx 780
650w power supply
Noctua DH-D14 air cooler
8GB Corsair Vengeance RAM @1600 MHZ
Windows 8.1
This is my first build, and I've only had it for about four months.
About a week ago I opened up realtemp (been doing this about once a week just to make sure temps are normal). I noticed that one of my cores appeared to have disappeared from the display (core 2). Even stranger, core 3 is now showing double the normal temp/temp of the other two cores. At idle cores 0 and 1 sit at ~30, core 2 appears to have disappeared from the display, and core 3 shows ~60. This is despite the load, vcore, and mainboard temp all being very low and pretty much normal. Moreover when I put my hand over the exhaust the air does not feel at all like it would at 60, very cool and what I've always felt when its at idle.
HWMonitor displays mainly the same thing, but for some reason it shows core 1 missing instead of two. Right now core 0 and core 2 are ~32, core 3 is ~65, vcore is 0.720, mainboard temp is ~30.
I went into the BIOS to make sure I hadn't turned off a core or anything on accident and noticed that the BIOS was now detecting the cpu as an "i5-6670k" with three cores. Looking in any hardware monitor programs I have only 3 cores being reported.
First off, I'm not sure if the temps on that core are actually that high since nothing else seems to suggest this is actually the case (voltage, board temp, air from case, etc). It almost seems like the the temp from the missing core is being added to another core's sensor. Also, if a core on the cpu had failed I don't see how that would raise the temp of another. Additionally I haven't had any BSODs or serious performance issues (there may be a bit of a hit due to the system only utilizing three cores but I can't really tell). This makes me think its probably a mobo problem but I really don't know enough to be sure.
What I'm mainly worried about is how to figure out where the problem is. I don't have an extra mobo or cpu lying around, nor do I have anywhere to borrow one from. I have already tried clearing the CMOS by using the provided jumper and by pulling out the battery and discharging the board. Both reset the CMOS correctly but neither affected the problem. This is my first build so I'm kind of nervous about something getting damaged, but as far as I can tell everything so far has been running smoothly, good temps, no issues up until this point. I'd had the cpu oc'ed to 4.2 ghz for about 3 months until I noticed this, but the temps never spiked over 70 even while playing games, and usually sat around 50-60, nor did I ever have BSODs or anything like that. I set it back to stock clocks when I noticed what happened but it didn't make a difference.
Anyone experienced this before or have any ideas?
Thanks.
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