How to fix this.

[Cole95]

Hey!

I built a PC approx. 1 year ago. Everything was working fine for the first 2 to 3 months, when suddenly my PC started freezing in game. It never freezes on desktop use, but on gaming it freezes but randomly. Freezing stopped for a moment, but now its back. Thats why I am asking now, what do I do with this, any ideas where this is coming from, so I can change the part.

spec:

OS: Windows 10 Education 64-bit

MOBO: Z170 Pro Gaming

RAM: 2x4 Gb Crucial Ballistix DDR4 2400MHz (I actually had 4x4 Gb same rams, but the PC wont post with 4 sticks anymore)

CPU: i5 Skylake 6600K @ 3.5GHz

GPU: MSI GeForce GTX 970

Storage: Kingston SV300S37A240G SSD + Seagate ST1000DM003-1SB10C (Tried OS + games on HDD, didnt change a thing)

PSU: Corsair RM550

.. Eventlog is not helpful. It only shows that the "PC was restarted without turning it off first blah blah.." and pretty much haven't found anything else useful in Eventlog.

So freeze itself is simple: Game just stops working suddenly, all the sounds disappear (even outside the game), mouse and kboard doesnt do anything, cant alt+ctrl+del, cant do anything else than kill my PC with shut down.

Starting to grind my gears, if I could just know what the part is I could replace it. Building a whole new PC would hurt my wallet a bit too much.

Haven't really got any other problems with PC, other than couple days ago I got bluescreen UNEXPECTED_KERNEL_MODE_TRAP, but wasnt a freeze.

Thanks!

EDIT: oh and the freeze doens't usually happen more than once or twice a day. And usually when it freezes and I restart it, it won't freeze anytime soon.. and all temps are: GPU 67-69C and CPU ~50C in gaming, mobo ~28C, SSD/HDD +40C

 

[Ant_Teh_Nee]

First of all, you couldn't have 2400Mhz RAM as that wasn't made last year. Also, 6th gen CPUs cannot actually use 2400Mhz RAM without underclocking it to 2133Mhz.
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https://msdn.microsoft.com/en-us/library/windows/hardware/ff559244
The UNEXPECTED_KERNEL_MODE_TRAP error intrigues me. Do you know the parameters of the crash (0x00000000, 0x00000006, etc.) and what were you doing when it happened? UKMT occurs according to this article when "...the Intel CPU generated a trap and the kernel failed to catch this trap." The random lockups also make me think it's a CPU issue. The HHD/SSD doesn't seem to be the problem because using either changed nothing, as you said.
-
First off, download CPU-Z to monitor your computer and it's temps
http://www.cpuid.com/softwares/cpu-z.html
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Second, download MemTest86 to test your RAM. This is probably not the source of the issue, but it's worth doing just in case.
http://www.memtest86.com/

In general, I think your are dealing with throttling, overheating issues, or a bad/failing CPU.

 

[Cole95]

First of all, you couldn't have 2400Mhz RAM as that wasn't made last year. Also, 6th gen CPUs cannot actually use 2400Mhz RAM without underclocking it to 2133Mhz.
-
https://msdn.microsoft.com/en-us/library/windows/hardware/ff559244
The UNEXPECTED_KERNEL_MODE_TRAP error intrigues me. Do you know the parameters of the crash (0x00000000, 0x00000006, etc.) and what were you doing when it happened? UKMT occurs according to this article when "...the Intel CPU generated a trap and the kernel failed to catch this trap." The random lockups also make me think it's a CPU issue. The HHD/SSD doesn't seem to be the problem because using either changed nothing, as you said.
-
First off, download CPU-Z to monitor your computer and it's temps
http://www.cpuid.com/softwares/cpu-z.html
-
Second, download MemTest86 to test your RAM. This is probably not the source of the issue, but it's worth doing just in case.
http://www.memtest86.com/

In general, I think your are dealing with throttling, overheating issues, or a bad/failing CPU.

Thanks for the fast respond! I'm pretty sure tho, this is 2400 ram. I have the packet next to me that says: 8GB KIT: 2 - 4GB DDR4 - 2400 UDIMM 1.2V (Ballistix by Crucial) and the sticks themselves say 2400MHz 16-16-16-39.

But anyhows, CPU was the last thing I was thinking myself, so thanks for making my eyes turn there.
During that kernel trap error I was just browsing youtube and having an conversation in discord.

I will keep my eyes on CPU temp, but is there anyway to test CPU like rams? I will run memtest and post the results

 

[Ant_Teh_Nee]

Is this your RAM?
http://www.crucial.com/usa/en/bls2k4g4d240fsa

Well, yeah, there is a way to test your processor, but I cannot vouch for it as I've never used it myself.
https://downloadcenter.intel.com/download/19792/Intel-Processor-Diagnostic-Tool

 

[Cole95]

Ok, I downloaded CPU-Z and immediately noticed something very odd. It says that my rams are running at 1199.5 - 1200.3 MHz? Windows says 2400MHz. I still don't think this is a RAM problem tho, as I already have 2 extra pairs and PC freezes with them too.. or really bad luck getting 2 sets of faulty rams.

CPU itself says all kinds of numbers that I have no education to:

MAX TDP: 95.0W
Core Voltage: 0.754 - 1.120 V
Family: 6, Model: E, Stepping: 3, Ext. Family: 6, Revision: R0
Core Speed: 3499.16 - 3500.00 MHz
Multiplier: x 35.0 (8 - 39)
Bus Speed: 99.93 - 100.02 MHz

 

[Cole95]

Is this your RAM?
http://www.crucial.com/usa/en/bls2k4g4d240fsa

Well, yeah, there is a way to test your processor, but I cannot vouch for it as I've never used it myself.
https://downloadcenter.intel.com/download/19792/Intel-Processor-Diagnostic-Tool

Yup, looks the same.

 

[Ant_Teh_Nee]

Is this your RAM?
http://www.crucial.com/usa/en/bls2k4g4d240fsa

Well, yeah, there is a way to test your processor, but I cannot vouch for it as I've never used it myself.
https://downloadcenter.intel.com/download/19792/Intel-Processor-Diagnostic-Tool

Yup, looks the same.

Hmm... I guess the best way to tell what the RAM is clocked at is to check your BIOS.
Also, press the button for "System Log" or "Event Log" when you enter your BIOS. Maybe something there may perk your interest.

 

[Ant_Teh_Nee]

Ok, I downloaded CPU-Z and immediately noticed something very odd. It says that my rams are running at 1199.5 - 1200.3 MHz? Windows says 2400MHz. I still don't think this is a RAM problem tho, as I already have 2 extra pairs and PC freezes with them too.. or really bad luck getting 2 sets of faulty rams.

CPU itself says all kinds of numbers that I have no education to:

MAX TDP: 95.0W
Core Voltage: 0.754 - 1.120 V
Family: 6, Model: E, Stepping: 3, Ext. Family: 6, Revision: R0
Core Speed: 3499.16 - 3500.00 MHz
Multiplier: x 35.0 (8 - 39)
Bus Speed: 99.93 - 100.02 MHz

Just saw this.
None of the info about the CPU really applies to this all that much. The RAM speeds indicate the speed it's running at during that very moment. It probably wasn't doing much, so it wasn't running at it's max speed. Just like how a CPU doesn't always stay working at 100%.

 

[salerhino]

Nah, RAM downclocked itself to match CPU and Motherboard support.
I myself have 1333MHz RAM, but as i7-920 supports up to 1066MHz RAM works on 1066MHz

 

[Cole95]

Ok, I downloaded CPU-Z and immediately noticed something very odd. It says that my rams are running at 1199.5 - 1200.3 MHz? Windows says 2400MHz. I still don't think this is a RAM problem tho, as I already have 2 extra pairs and PC freezes with them too.. or really bad luck getting 2 sets of faulty rams.

CPU itself says all kinds of numbers that I have no education to:

MAX TDP: 95.0W
Core Voltage: 0.754 - 1.120 V
Family: 6, Model: E, Stepping: 3, Ext. Family: 6, Revision: R0
Core Speed: 3499.16 - 3500.00 MHz
Multiplier: x 35.0 (8 - 39)
Bus Speed: 99.93 - 100.02 MHz

Just saw this.
None of the info about the CPU really applies to this all that much. The RAM speeds indicate the speed it's running at during that very moment. It probably wasn't doing much, so it wasn't running at it's max speed. Just like how a CPU doesn't always stay working at 100%.

Im running cpu test, will take 120mins. I'll post later. Will run mem afterwards

 

[Ant_Teh_Nee]

Nah, RAM downclocked itself to match CPU and Motherboard support.
I myself have 1333MHz RAM, but as i7-920 supports up to 1066MHz RAM works on 1066MHz

He's using a 6600k man. It uses up to 2133Mhz
The Mobo Supports up to 2133Mhz.

Therefore, it should be underclocked to a max of 2133Mhz, right?

It was running at a lower clock because it wasn't working at max speed becuase it was saving energy. Again, a 4Ghz Processor isn't always going to run at 4Ghz

 

[Cole95]

About 60mins on cpu burn test, I got bluescreen saying KMODE_EXPECTION_NOT_HANDLED. So no freeze, temps were ~41C on CPU. And this error message is totally new

 

[Ant_Teh_Nee]

About 60mins on cpu burn test, I got bluescreen saying KMODE_EXPECTION_NOT_HANDLED. So no freeze, temps were ~41C on CPU. And this error message is totally new

Do you have the parameters? (0x80000002, etc)

According to an article, "This indicates that a kernel-mode program generated an exception which the error handler did not catch."

Please download bluesreenview http://www.nirsoft.net/utils/blue_screen_view.html and post a screencapture is possible. This will help me find what is causing it (Hopefully)

 

[Cole95]

About 60mins on cpu burn test, I got bluescreen saying KMODE_EXPECTION_NOT_HANDLED. So no freeze, temps were ~41C on CPU. And this error message is totally new

Do you have the parameters? (0x80000002, etc)

According to an article, "This indicates that a kernel-mode program generated an exception which the error handler did not catch."

Please download bluesreenview http://www.nirsoft.net/utils/blue_screen_view.html and post a screencapture is possible. This will help me find what is causing it (Hopefully)

https://imgur.com/a/Y8Q95

 

[Ant_Teh_Nee]

http://www.tomshardware.com/answers/id-2949116/constantly-bsod-error-irql-equal.html

Okay, reading these logs points to the RAM.

http://www.tomshardware.com/answers/id-1915864/memory-management-error-windows.html

^ This article could very well contain your solution, as you have overclocked your CPU to 4.2Ghz

http://www.tomshardware.com/answers/id-2209014/bsod-ntoskrnl-exe-windows.html This link explains it a little more.

 

[Cole95]

I have removed the OC while ago, running native 3.5 thesedays, still freezing. And can we be sure that blue screen and freezes have connection? Because freezes doesnt make any bluescreen/error codes. But I'll check the links, thanks!

 

[Ant_Teh_Nee]

I have removed the OC while ago, running native 3.5 thesedays, still freezing. And can we be sure that blue screen and freezes have connection? Because freezes doesnt make any bluescreen/error codes. But I'll check the links, thanks!

Almost all of the blue screens point to the same file or the Windows Kernel, and the RAM is important to keep that Kernel stable. It's bad RAM. Go into your BIOS and underclock it to 2133Mhz if it isn't aready, and then try another burn test and see if it makes the same effect.

If your CPU is not OCed, it's most likely the RAM

 

[Cole95]

Shame on me. Maybe. Well, like I told earlier I bought 2 more sticks of ram to make it 16gb, but PC didnt post anymore. (Pc was freezing even before the new 2 sticks) so it seems like when I took 2 sticks of ram out to make it back 8gb, I left 1 new and 1 old ram to pc (noticed now from the sticks serials) so it might be that old sticks were faulty, and I was keeping one of them in my pc all this time and one of the brand new ones in my closet. of course, its not sure. I'll run the test now again with 2 new sticks (same serialnr. haha)

 

[Ant_Teh_Nee]

Shame on me. Maybe. Well, like I told earlier I bought 2 more sticks of ram to make it 16gb, but PC didnt post anymore. (Pc was freezing even before the new 2 sticks) so it seems like when I took 2 sticks of ram out to make it back 8gb, I left 1 new and 1 old ram to pc (noticed now from the sticks serials) so it might be that old sticks were faulty, and I was keeping one of them in my pc all this time and one of the brand new ones in my closet. of course, its not sure. I'll run the test now again with 2 new sticks (same serialnr. haha)

Yeah, mix-matching RAM is always bad news, especially when clocked at different speeds, which seems to be your case. Yeah, slot in the new ram and run another test.

I don't think either are bad, but they are probably different speeds and have been put in with a different type/set of RAM

 

[Cole95]

No no, thats not what I meant. I have 4 sticks of same ram, just bought at different times. And I earlier had 2 same rams and was freezing even then

 

[Ant_Teh_Nee]

No no, thats not what I meant. I have 4 sticks of same ram, just bought at different times. And I earlier had 2 same rams and was freezing even then

Ah, I would test each stick separately then. Whichever one by itself can't post is the bad stick. Run MemTest86 when you get the chance on each set of RAM

(So, do one set and run MemTest, and then do it again on the other set. Post your results. If it crashes during a test, one of the sticks in the set is dead/dying.

 

[Cole95]

Will do, thanks for your help. Will post later today (its almost 3 am here) so i'll leave it running when I go to bed

 

[Ant_Teh_Nee]

Will do, thanks for your help. Will post later today (its almost 3 am here) so i'll leave it running when I go to bed

Sounds good!

 

[Cole95]

Ok, changed the plan a bit. I left my PC to loop the CPU 120min burn test, and it looped for approx. 6hours 30mins. PC didn't freeze nor crash. It might have been the ram. Anyways, I'll start memtest86 soon, I'll be back

 

[Cole95]

RAM stays at 1200MHz even when using 100% of the PC (overwatch + discord + youtube) I also noticed alt+tab has started to lag like hell, first its just black screen for a moment then it goes to desktop and its very laggy for about 20 seconds. And also for some reason Im not able to get to bios anymore. F2/del brings bios, smashing both buttons (kboard is active, lights on) but still continues to launch.