What "EVGA SuperNova G3" Power Supply?
Remove all but one Memory Stick
What is the Model Number of this Memory? "HyperX Predator 4133 17-19-19-28-2T"
Some of HyperX Predator Memory will only run on ASUS Z390 Motherboards.
Slide the Bios Switch to the Other Side and then Back to insure it is set on the Switch.
It could be stuck between the two Bios positions on the Switch
 
If Kingston Memory only the below are really supported and is also based on the CPU installed.
Kingston HX421C14FBK4/16 4 8 2133 14-14-14-35 1.2V 1+2 1.01
Kingston HX421C13PBK4/16 4 8 2133 13-13-13-36 1.2V 1+2 1.01
Kingston HX426C15K4/16 4 8 2666 15-17-17-35 1.2V 1+2 1.01
Kingston HX426C15FBK4/32 8 16 2666 15-17-17-35 1.2V 1+2 1.01
Kingston HX430C15PBK4/16 4 8 3000 15-16-16-39 1.35V 1+2 1.01
Kingston HX432C16PBK4/16 4 8 3200 16-16-16-39 1.35V 1+2 1.01
Kingston HX432C15PBK2/8 4 8 3200 15-17-17-39 1.35V 1+2 1.01

bcavnaugh
What "EVGA SuperNova G3" Power Supply?
Remove all but one Memory Stick
What is the Model Number of this Memory? "HyperX Predator 4133 17-19-19-28-2T"
Slide the Bios Switch to the Other Side and then Back to insure it is set on the Switch.
It could be stuck between the two Bios positions on the Switch

Thank you..
Yes i already tried with dimms, i also tried to use a brand new 4 gb 2400 memory stick with no luck , also the error code doesn't even change.
HX440C19PB3K2/16 but that's not that since i tried with other stick
will try againg with the switch.. but alreday did it multiple times.. switching, resetting .. everything..

bcavnaugh
If Kingston Memory only the below are really supported and is also based on the CPU installed.
Kingston HX421C14FBK4/16 4 8 2133 14-14-14-35 1.2V 1+2 1.01
Kingston HX421C13PBK4/16 4 8 2133 13-13-13-36 1.2V 1+2 1.01
Kingston HX426C15K4/16 4 8 2666 15-17-17-35 1.2V 1+2 1.01
Kingston HX426C15FBK4/32 8 16 2666 15-17-17-35 1.2V 1+2 1.01
Kingston HX430C15PBK4/16 4 8 3000 15-16-16-39 1.35V 1+2 1.01
Kingston HX432C16PBK4/16 4 8 3200 16-16-16-39 1.35V 1+2 1.01
Kingston HX432C15PBK2/8 4 8 3200 15-17-17-39 1.35V 1+2 1.01

it was working very good for about a month... i got the 23 code on bios 1 right after i was just tighetening my secondary timings, nothing special.. you know.. you put a value then save and exit etc.. basically doing that till that happened
 

bcavnaugh
Location: Italy, Could be why I am having trouble finding this memory.
Still Looking.

•JEDEC: DDR4-2400 CL17-17-17 @1.2V

•XMP Profile #1: DDR4-4000 CL19-21-21 @1.35V

•XMP Profile #2: DDR4-3600 CL17-18-18 @1.35V
 

this is the correct ram
thanks

I would contact support since an RMA might be needed while customer support is open.
 
After that mostly it would be removing anything from the system that isn't needed for it to boot into windows then hit the clear CMOS button and try to boot. If it doesn't boot try moving the memory into a different slot and hitting the clear CMOS button again. You could also try moving the graphics card to another slot but that is less likely to help.
 
The other thing to check is that on the backplate that nothing is bent into one of the ports on the back. That mostly happens on new builds but occasionally the first time a port is used can also fold a metal tab into the slot making contact and causing errors.

bcavnaugh
Reset the Memory back to Auto and Reset or Clear the CMOS to retrain the CPU and Memory.
But if it was working; then remove and check the CPU and CPU Socket Pins.
What TIM are you using on your "Core i7 8700k Delidded @ 5.0 Ghz " 

Thermal grizzly, both in and outside,  the cpu has been working for a year just the build is new

Thermal grizzly What? LM?
Push and Hold the "BIOS / CMOS Reset" Red Button on the Back on the I/O Shield as you Power On for 5 or 6 Seconds and let go.
Or Pull the CMOS Battery.

tried all.. also redelidded the cpu, i opened it, was perfect inside at least visually.
 
anyway thanks

bcavnaugh
Location: Italy, Could be why I am having trouble finding this memory.
Still Looking.
https://www.kingston.com/dataSheets/HX440C19PB3K2_16.pdf

•JEDEC: DDR4-2400 CL17-17-17 @1.2V

•XMP Profile #1: DDR4-4000 CL19-21-21 @1.35V

•XMP Profile #2: DDR4-3600 CL17-18-18 @1.35V
 

Tossing out a ribbon for your efforts to find a fix and looking up the information for memory timings for him. Hopefully a fix can be found without the RMA.

Hoggle

bcavnaugh
Location: Italy, Could be why I am having trouble finding this memory.
Still Looking.
https://www.kingston.com/dataSheets/HX440C19PB3K2_16.pdf

•JEDEC: DDR4-2400 CL17-17-17 @1.2V

•XMP Profile #1: DDR4-4000 CL19-21-21 @1.35V

•XMP Profile #2: DDR4-3600 CL17-18-18 @1.35V
 

Tossing out a ribbon for your efforts to find a fix and looking up the information for memory timings for him. Hopefully a fix can be found without the RMA.

well i perfectly knew what ram i have, i can also remember all my primary and secondary timings , name, what they does, and their value :)

To sum up i was tighetening my memory timings, booting into win10, benching and checking stability with most common tools, at some point between a reboot and another i got post code 23. (for these tries cpu was at 4.7 all cores,  memory voltage 1.43, SA and IO 1.15-1.12, i assume i haven't fried anything LoL, i do overclocking etc since 2002).
I switched to the second bios, (never touched it before) booted into win 10, upgraded it with the tool from the desktop.. but something went wrong and when it rebooted i got post code 23 on that too.
 
 

GGTV-Jon
From now on update your bios with the files on an USB stick and do it from within the bios options to update - doesnt matter who's board / bios you use things get buggy when updating while in windows

you're right,  i am agree.. this is my first EVGA MB so i assumed was ok to do..

bcavnaugh

ales75

GGTV-Jon
From now on update your bios with the files on an USB stick and do it from within the bios options to update - doesnt matter who's board / bios you use things get buggy when updating while in windows

you're right,  i am agree.. this is my first EVGA MB so i assumed was ok to do..

And Before you update with a Bios File Reset the Bios back to the Default Settings.
NEVER update your Bios with Overclocked Settings on any item in the Bios.
Default Settings. You can use that Small Red Button and it will force you to enter the Bios.
Just remember to write down your Settings, while you can Save your Bios Settings to an USB Stick you cannot use it between different Bios Versions.

Yes this also very true...

ales75
well i really don't want to dismember my rig..   i thought of buying a G4900 to see if my 8700K especially the IMC on it died..
will see... getting it on wednesday.

I have seen this CPU for like $60 Bucks on eBay Used if you need a Test CPU Link
Now I should look at mine to see what it looks like being over a year now.

if interested and for the science