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Overclocking Instability

post #1 of 19
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About a week ago I increased my overclock from 4.2Ghz to 4.5Ghz. Up until today, everything has ran perfectly. Today I noticed, after playing a game for a few hours and surfing the web, my computer froze (I was on this website when it froze). I was a little concerned, but blew it off. After rebooting I continued to use my computer for another hour and it again froze. I went into the bios to disable speed step/c1e to see if that would increase my stability, but after booting again I made it less than 10min before my computer froze again. I then went into the bios again to look around and noticed my cpu temp in the bios was 55c which isnt good. My real temps were around 35 idle. That is a big difference. So I decided to reapply my thermal paste (arctic silver 5). Right after reapplying the paste I checked my bios temp and it still was at 55c (no change). I booted up windows to see real temp and it was 26c.

I never got a BSOD or any error, just a freeze. What could be causing this? Everything was stable for the past 7 days. The last time I applied thermal paste was the end of 2011. I am hoping that my bios temp is wrong and the resink will fix everything, but I am not convened.
Edited by jthurmond3 - 4/1/13 at 7:08pm
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post #2 of 19
Have your ambient temps changed over the past few days? What v-core are you at? I have seen unstable overclocks take days to show there selves. I have also seen windows update root out unstable overclocks that programs like prime 95 could not lol.
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post #3 of 19
Thread Starter 
Quote:
Originally Posted by drewfus View Post

Have your ambient temps changed over the past few days? What v-core are you at? I have seen unstable overclocks take days to show there selves. I have also seen windows update root out unstable overclocks that programs like prime 95 could not lol.

It has been hotter today then usual, but nothing crazy. I can only adjust my offset and not my vcore in bios. With that said in prime95 my vcore ranges between 1.32-1.35v. Also I did finally install sp1 and over 40 windows updates about 2 days ago (was unable to install sp1 for years). Could this be windows related? Too early to tell, I know, but everything seems fine since the resink.
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post #4 of 19
I've experienced this with windows background tasks (like windows auto update) . So ya it could be windows related but not a windows issue necessarily,(a unstable OC most likely). Drop the clock down to 4.4 and see how it does for a few days.
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post #5 of 19
One other thought, have you been OCing your gfx cards recently? Just was thinking about the non-bsod freeze, unstable gfx cards love to do that. Also If you haven't done a clean install/update of your gfx card drivers after the sp1 install, I would do so.
Edited by drewfus - 4/1/13 at 8:25pm
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post #6 of 19
Thread Starter 
Quote:
Originally Posted by drewfus View Post

One other thought, have you been OCing your gfx cards recently? Just was thinking about the non-bsod freeze, unstable gfx cards love to do that. Also If you haven't done a clean install/update of your gfx card drivers after the sp1 install, I would do so.

Now that I think of it, this is probably what is causing it. I was running stable at 965/1085 for a year now, so a few days ago I uped it to 975/1100. It was alright for about 1 hour of gaming and then I got a direct x error then lost video (comp was still on and running, but couldnt see anything). Therefore, I reduced it to 970/1095. It ran a solid 24 hours with no problems, but then I started getting those freezes. Since it was not freezing in a game and i didnt get that direct x error I felt like it may be something else, but I guess (I hope) I am wrong. I have lowered it back to 965/1085. I have to work all day the next 2 days, but I will try to keep my comp on when I am home to see how stable it is. I really hope the OC GPU is what is causing the freezes. I hate not being able to fully test it the new few days. Anyways, thank you drewfus.
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post #7 of 19
have you overclocked your memory atall?
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post #8 of 19
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Quote:
Originally Posted by Darylrese View Post

have you overclocked your memory atall?

Nope. I have thought about it, but once I get my computer completely stable with the CPU/GPU OCed I might just want to keep it that way for a while before adding more potential problems. I am not sure the gain would even be that noticeable.
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post #9 of 19
ok cool was just going to say i was stumped why my overclock suddently became unstable but turns out it was my RAM overclock causing my system to freeze / BSOD / crash.

Have you run PRIME95 for 12 hours yet? That's normally a good indicator!
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post #10 of 19
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Quote:
Originally Posted by Darylrese View Post

ok cool was just going to say i was stumped why my overclock suddently became unstable but turns out it was my RAM overclock causing my system to freeze / BSOD / crash.

Have you run PRIME95 for 12 hours yet? That's normally a good indicator!

I have never gotten a BSOD or an autorestart (thankfully) just a frozen computer. I am afraid to run prime95 for 12 hours because my CPU temp get too high after about 20mins(73c). I know that isnt good and I should probably get a better heatsink, but every game and every application I use (no matter how long I use it) the CPU temps are fine. I dont think I should underclock or buy a heatsink just for prime95 when temps are perfect with everything I use my computer for.
Edited by jthurmond3 - 4/2/13 at 5:47am
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My Comp
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Samsung SM951 256GB Samsung 850 Pro 256GB Cryorig Ultimate R1 Windows 10 
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