Hello, this will be my first post here on Tomshardware.
Suffice to say I have been lurking un-registered, searching for various solutions to various problems over the years on this great website.
Some background information first;
I had recently switched platforms from AMD to Intel. ( FX - 6300 > i7 4770k ).
The first mistake I did (or so I thought 3 days ago) was not resetting Windows before making the hardware swap. i had just uninstalled all the drivers and then made the swap, without resetting windows.
I thought this was the cause for freezes in my games when I had initially reinstalled all the drivers for the system (post mobo swap).
So, naturally I re-installed windows 10 fresh, and re-installed the drivers a second time. Downloaded a game, but, no. Didn't make a difference, still freezes. No BSODs though.
So obviously a 2nd wipe of windows would work right, ( I was really desperate, I couldn't swallow having to send the board or cpu back to manufacturer, i wanted to play so bad on this CPU).
----
Flash forward after running various CPU and GPU stressing programs, the only software that caused replicable crashes were memtest in windows (yes, windows, not the bootable version), and prime 95.
And of course games.
It was only random that I stumbled upon an "advanced" option in the BIOS, that was where I found Intel Turbo Boost. So, I disabled it.
No freeze in memtest, no freeze in games, no freezes in prime 95. I had found the problem..
Finally..
But, I myself realize that the solution to this is way more advanced than I could ever attempt to fix myself by trial and error. Because this has to do either with my PSU being too weak, or the automatic overclocking defaults in the BIOS is messing up the voltages and creating instability.
It is only natural i post my specs for the system now;
i7 4770k
MSI Z97 G43
Cooler Master TX3 Evo or something for cooling.
SSD
HDD
MSI GTX 970
Crucial BallistiX Sport 2 x 4 GB 1600 Mhz 9-9-9-24 1.5 V memory
CX 500 M ( I am aware that this sub-par psu might be an issue, an EVGA G2 Supernova 550 W has been ordered as per your Tier 1 PSU recommendations.
Doing some research has uncovered to me that Prime 95 has some problems with Haswell cpus, due to AVX or something? I dont know.
The temperatures with and without turbo boost enabled during CPU-Z cpu stress testing runs nominal / fine. It is only in Prime 95 and memtest.exe that I have experienced freezes with Turbo on.
By nominal temperatures at 100% load on all cores I mean not higher than 59 Celcius.
Suffice to say I have been lurking un-registered, searching for various solutions to various problems over the years on this great website.
Some background information first;
I had recently switched platforms from AMD to Intel. ( FX - 6300 > i7 4770k ).
The first mistake I did (or so I thought 3 days ago) was not resetting Windows before making the hardware swap. i had just uninstalled all the drivers and then made the swap, without resetting windows.
I thought this was the cause for freezes in my games when I had initially reinstalled all the drivers for the system (post mobo swap).
So, naturally I re-installed windows 10 fresh, and re-installed the drivers a second time. Downloaded a game, but, no. Didn't make a difference, still freezes. No BSODs though.
So obviously a 2nd wipe of windows would work right, ( I was really desperate, I couldn't swallow having to send the board or cpu back to manufacturer, i wanted to play so bad on this CPU).
----
Flash forward after running various CPU and GPU stressing programs, the only software that caused replicable crashes were memtest in windows (yes, windows, not the bootable version), and prime 95.
And of course games.
It was only random that I stumbled upon an "advanced" option in the BIOS, that was where I found Intel Turbo Boost. So, I disabled it.
No freeze in memtest, no freeze in games, no freezes in prime 95. I had found the problem..
Finally..
But, I myself realize that the solution to this is way more advanced than I could ever attempt to fix myself by trial and error. Because this has to do either with my PSU being too weak, or the automatic overclocking defaults in the BIOS is messing up the voltages and creating instability.
It is only natural i post my specs for the system now;
i7 4770k
MSI Z97 G43
Cooler Master TX3 Evo or something for cooling.
SSD
HDD
MSI GTX 970
Crucial BallistiX Sport 2 x 4 GB 1600 Mhz 9-9-9-24 1.5 V memory
CX 500 M ( I am aware that this sub-par psu might be an issue, an EVGA G2 Supernova 550 W has been ordered as per your Tier 1 PSU recommendations.
Doing some research has uncovered to me that Prime 95 has some problems with Haswell cpus, due to AVX or something? I dont know.
The temperatures with and without turbo boost enabled during CPU-Z cpu stress testing runs nominal / fine. It is only in Prime 95 and memtest.exe that I have experienced freezes with Turbo on.
By nominal temperatures at 100% load on all cores I mean not higher than 59 Celcius.
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