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Weird Sequence of events rebuilding PC today - thoughts?

post #1 of 7
Thread Starter 
Hey all -

So my brother-in-law have the same PC, except for a different case and heatsink. My overclocking has been very successful with the Hyper Evo 212, and his other aftermarket cooler has allowed nothing in the ballpark of 4.3ghz like mine. So, he bought a Hyper 212 EVO as well and we attempted to put it in today.

This is where the fun starts. We had to do some obvious disassembly to get the old heatsink out...unplugged things to remove psu as well because he ordered a new one (though we ended up putting it back in). Long story short, we got everything back together, plugged in all back in, pushed the button...computer started for 2 seconds, then shut down. It kept doing it. We rechecked the cpu to make sure it was slotted okay and the heatsink was fastened, etc. After more and more troubleshooting, I was baffled. I ended up on a whim just taking out one of the 4gb sticks he had (in slots 1 and 3). I removed the stick from slot 3 and low and behold, pc started fine. I did more trouble shooting to isolate whether it was the slot, the configuration, or the stick of RAM. Well it turns out that if any RAM is in the 3 or 4 slot, the pc will now start for 2 secs and turn off. Both sticks work fine when put in slot 1 and 2, boots fine, everything works, PC reads 8gbs appropriately. I reset the CMOS...I also loaded bios to defaults to erase previous minor overclocking settings...and those slots still wouldn't work. What the heck?!?!?!? I then preceded to go into bios to clock the RAM to 1600..because that's what they are (bios autos to 1333). and it booted into an error saying that the overclock was too much (something to that effect) and made it go back to 1333. Mind you, I have the exact same motherboard, cpu, RAM and everything and mine goes to 1600 fine. The timings are correct in bios for the ram (9-9-9-27) for both sticks.

What could the problem be with the slots? What could the problem be with it not wanting to run at 1600? Doesn't dual channel have to run in alternating slots like 1 and 3 or 2 and 4? or is that a myth? Like I said, PC is up and running fine with both in slots 1 and 2...this has just puzzled me. How could we have messed up the slots 3and 4 when we didn't even touch the RAM when working with the heatsink??
post #2 of 7
Check you motherboard manual. Yes if you are running 2 DIMMs and you want dual channel, they need to be in the right slots (so check the manual).

Try resetting your bios to factory / optimized defaults, then applying the RAM frequency.
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Ol'Faithful
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post #3 of 7
Thread Starter 
As stated, I reset coos by taking battery out and I reset the bios to defaults and tried putting something in the 3 and 4 slot, still wouldn't boot.

Thought so on the dual channel.
post #4 of 7
Bent pin? Did you guys actually remove the processor from the socket?
Blue540
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Blue540
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post #5 of 7
Thread Starter 
Yes we did and that's the only thing I've been able to think of. Fortunately those two dead ram slots have seem to be the only issue. Everything else works flawlessly. While not ideal, we aren't disassembling to check for fear of additional damage. If it were my pc I probably would. I've read a number of places that running ram dual channel doesn't even matter really unless your doing heavy duty video processing
post #6 of 7
Quote:
Originally Posted by gmdodt View Post

Yes we did and that's the only thing I've been able to think of. Fortunately those two dead ram slots have seem to be the only issue. Everything else works flawlessly. While not ideal, we aren't disassembling to check for fear of additional damage. If it were my pc I probably would. I've read a number of places that running ram dual channel doesn't even matter really unless your doing heavy duty video processing

Dual channel has some effect in gaming as well, and performance generally. You guys have identical rigs, right? run some comparative benchmarks, and see if you guys get different results.

You also may try loosening the new heatsink a bit, maybe is got overtightened...although if I recall correctly, I am not sure it is really possible to wrench a 212 over tight...but it has been quite a while since I was on air with a 212.

Could also be some thermal paste gunked up in the socket...

best of luck!
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Blue540
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x99
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B.M.O.
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Corsair Vengeance CMK32GX4M4B3200C16W Crucial MX100 WD Blue 1TB EK Supremacy EVO 
CoolingCoolingCoolingOS
EK 480 PE EK 240 PE EK D5 Vario Windows 10 
MonitorKeyboardPowerCase
Samsung 49KU7500 (curved 4k) Corsair K65 NZXT Hale 90 V2 1000W Thermaltake X9 
MouseMouse Pad
Logitch G100S X-Trac Ripper 
CPUMotherboardGraphicsRAM
6400k msi A75MA-P33 Sapphire 6670 passive hynix 2 GB dual channel 
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WD  windows 8.1 e-machine wireless 
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post #7 of 7
He shouldn't notice too much of a difference between single- and dual-channel memory. It would only matter in RAM-intensive scenarios. Minimum frame rates in gaming might be affected, but performance overall should be fine.

It would be a good idea to inspect the pins. I wouldn't worry too much about inflicting additional damage. If you do, you were every bit as likely to do the same damage the next time you tinkered with those components anyway.
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