I cant post after overclocking my ram

pikkyyuki · Sep 20, 2017

I overclocked my pc to 5ghz now with 0 issues but once i try to overclock my ram to 3200 it wont post after a restart

My specs:
CPU: i7 7700k
GPU: asus 1060 dual 3gb
MotherBoard: Asus rog strix z270h
Ram: Corsair vengence led 3200 16gb
Cooler: Cooler master Master Liquid 280m
PSU: Corsair cx650M 650w

feelinfroggy777 · Sep 20, 2017

You will have to clear your CMOS and start over. It is unstable.

High speed RAM does not impact Intel very much. I would just run XMP with one click and go with that.

pikkyyuki · Sep 20, 2017

the issue is i did that and it would not post at all the funny thing is i could just turn the psu off and on and i could post

feelinfroggy777 · Sep 20, 2017

Is your system completely dead when you try to turn it on? Or is it running a loop to post?

Try taking out your battery on the motherboard for a few minutes and then put it back in.

You should not have issues with the PSU and the PC posting, unless there is a problem with the PSU.

pikkyyuki · Sep 20, 2017

it turns on im right now using it but if i were to change the ram hz it would not post after a restart or shut down i would have to turn off and on the powersupply

feelinfroggy777 · Sep 20, 2017

Gotcha. When you turned off the PSU and back on, was the RAM speed overclocked or did it return back to factory default?

pikkyyuki · Sep 20, 2017

it was still overclocked but if i were to shutdown and turn on it would not post currently i placed it back to auto just incase

feelinfroggy777 · Sep 20, 2017

Are you changing the voltage to the RAM?

pikkyyuki · Sep 20, 2017

nope auto

feelinfroggy777 · Sep 20, 2017

Are you running XMP or are you setting the speed manually? I don't understand why flipping the switch on your PSU changes it from posting to not posting. There may be an issue with the PSU. RAM can be very finicky also. Just because RAM is rated at a certain speed does not mean you will get that speed.

pikkyyuki · Sep 20, 2017

im running manually because i just overclocked my pc to 5ghz and i cannot seem to change my ram speed

feelinfroggy777 · Sep 20, 2017

Did you change the BCLK when you overclocked your CPU? That will impact your RAM as well. I don't recommend overclocking the BCLK as the math gets fuzzy when you change the multiplier from 100.

There is an XMP profile setup in your bios. All you have to do is enable XMP and it will overclock your RAM automatically. You wont have to change any of the frequency.

If you have a problem running XMP, then restore the system to factory defaults in the bios. The enable XMP as the OC may be affecting it someway. After you enable XMP, go back try the overclock again. I have a 7700k and I get 5ghz at 1.34 volts. So just change the multiplier to 50 and set your volts and you should be good to go.

pikkyyuki · Sep 20, 2017

i never changed the bclk and its 100 from the start i tried changing it would not post does this mean i have a faulty ram?

pikkyyuki · Sep 20, 2017

even using xmp does not want to post

feelinfroggy777 · Sep 20, 2017

Have you tried removing the OC to the CPU then enabling XMP? I would try that before I found the RAM faulty.

pikkyyuki · Sep 20, 2017

did it wont post

feelinfroggy777 · Sep 20, 2017

Your RAM may be bad, but maybe not. Again, just because it says it is rated for XXXXmhz, does not mean it will get there. If you can, you might want to take it back. But it could be something to do with your board.

feelinfroggy777 · Sep 20, 2017

If you cant take your RAM back I would not worry much about it. There will not be a noticeable difference in RAM speeds with your 7700k.

I cant post after overclocking my ram

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