Pc won't boot with my memory set to 3400mhz, please help quick!

[Wars0ng]

I've recently built a new pc i5 6600k 16gbs trident z 3400mhz memory, first time I put it together. It ran like a dream for about a week and half, xmp profile and all, booted up without an issue.

Just tried to turn it on today and the only way I can get it to boot is @ 2100mhz. My motherboard is the Gigabyte z170-ud3 motherboard. And it ran FINE for almost two weeks. What gives?

Updated to the newest BIOS upon this issue. No change?

 

[Tradesman1]

Did you have an OC on the CPU? Do you now? Might need extra voltage to the MC (memory controller) believe it DDRVTT on your mobo try adding + 0.06

 

[Wars0ng]

I'll check for that, but I was unable to find the setting in the Gigabyte M.I.T bios. Where is it?

 

[Wars0ng]

I have ddrvpp voltage set to auto, says default is 2.500V.

 

[Wars0ng]

And I OVERCLOCK out of the box, and it ran fine. Then I removed the OVERCLOCK and tried again with standard xmp settings. Tried to set timing manually upped dram voltage to 1.36 from 1.35, tried adding in some power to the CPU, nothing seemed to make a difference. Thing is. Last night it ran fine. I reinstalled latest video drivers. And booted up, played a few matches and went to bed. Today NOTHING has changed and it won't boot with XMP on. Even tried manually setting dream freq without xmp and it will only go 3333mhz. Won't hit 3400 and it won't boot with anything manually set to higher than 2100mhz. At 2100mhz. I have no issues booting.

 

[Tradesman1]

Try the DRAM voltage to 1.4

 

[Wars0ng]

Okay I'll try now

 

[Wars0ng]

Voltage of 1.4 still fails to boot 🙁

 

[Wars0ng]

I get a black and red screen that says it failed to boot and gives me the option to load defaults and boot, reboot, or enter bios.

 

[Wars0ng]

I reverted back to the release bios. And it started working fine again. Hopefully. I don't have the same issue as the last guy, works for a week then stops again

 

[Tradesman1]

Keep us updated 😉

 

[Wars0ng]

Will do, there is a post where a guy had the same problem. Then he changed some voltages and it worked for a week then stopped again. So idk. All I know is the games I play are silky smooth with the ram speed I paid for. Very noticeable difference when I can't get it to launch at advertised speeds. So hopefully it's fixed.

 

[Wars0ng]

so the memory is still running, BUT now while in games, my games crash, any game I play do it. but its all running, anything I can do to alleviate the crashes

 

[James Mason]

so the memory is still running, BUT now while in games, my games crash, any game I play do it. but its all running, anything I can do to alleviate the crashes

Lower the unstable OC. :/

 

[Wars0ng]

I cant, if I increase the memory clock @ all, it wont boot, I bought 3400mhz memory, so it should be perfectly stable

 

[Tradesman1]

For 3400 you often need a CPU OC but it needs to be stable also. The fact theat the mobo 'suppoerts' 3200, 3400, ....4000 is irrelevant if the MC (memory controller) in the CPU can't handle it. Often even with a 6700K you might need a CPU OC to even run 2800 or 3000.

See my FAQs and Fiction article, Part 2, Fictiom, item 4

http://www.msn.com/en-us/news/opinion/why-the-new-report-on-hillary-clinton%E2%80%99s-email-is-so-damning/ar-BBtyGcL?li=BBnb7Kz

 

[Wars0ng]

The i5 6600k has been over clocked to 4.5ghz and supported a 4000 MHz memory on OVERCLOCKers.net if the CPU can't handle it. Why did it run fine for a week. And why are there so many benchmarks for the i5 6600k on the web at 3400mhz? I OVERclocked mine to 4.4ghz. that's surely fine to support 3400mhz

 

[Wars0ng]

I'm not arguing, I'm just asking. I appreciate the feedback. Really like to figure this out

 

[Tradesman1]

Could be a lot of things, i.e. what PSU? if marginal and has been pushed may be weaker now, could have been 'bad' from the beginning or underpowered. Also you said you OCed out of the box so it ran fine with the OC? When did you drop the oC/ around the same time as the DRAM dropped? The 6600K was OCed that ran the 4000 sticks, right. They prob ran 2133, 2400 or the like BEFORE they OCed.

 

[Wars0ng]

I ram the memory at 3400mhz prior to oc. Then I OVERclocked same day, it ran no issues for a week. Nothing changed. Turned it off for bed. Next day it wouldn't boot. I've now got the memory to 3200mhz. Seemingly stable. But I still can't get it to go higher unless I revert to bios edition one. And then I get the crashes etc. Maybe the motherboard just won't support these specific sticks?

 

[Tradesman1]

I'd try an OC on the CPU, but it's up to you, all we can do is suggest how to try and get them going.

 

[Wars0ng]

I have a 4.5ghz oc running stable on the cpu right now. Memory is at 3200mhz. Haven't had a game error or crash at all, but I still can't boot at 3400mhz

 

[Wars0ng]

ok, so I setup the pc, so that the XMP1 was enabled, and what it's doing, is setting my BCLK to 102.2 to achieve the 3400mhz clock, the BCLK when turned to 100 static, it never has crashes and runs @ 3333mhz, but won't hit 3400, now... I tried to up the BCLK to 102.2 and it boots fine, @ 3400MHZ, but the programs are crashing when I launch them, does this mean I have no option, and must run the ran @ 3333mhz, or is there something I can fine tune to squeeze the extra MHz out of my ram?

 

[Wars0ng]

Bump, games are crashing at 3400mhz, anyone know what needs to be tweaked to get 3400mhz stable?

 

[Xtergo]

Wars0ng, based on digital foundries benchmarks the fastest RAM is @ 2400Mhz in terms of games

https://www.youtube.com/watch?v=YwB1KRMpFdw