Z370 RAM problem

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I have the Asrock Z370 pro4 and I've updated the BIOS to the latest available version. I can select the DRAM Frequency at 2666mhz, and my PC runs well, although I noticed the computer screen turned black for about 3 seconds while I was using Firefox once time. But I'm not getting my G.SKILL TridentZ RGB (Model F4-3200C16D-16GTZR) working at 3200MHz.
I enter the BIOS, click on OC Tweaker, DRAM Tweaker and I select XMP Profile 1 for 3200MHz. Then I save and exit. So my PC reboots and the screen turns black with no HDMI signal and I can't access the Bios neither the operating system. I have to turn off the computer by pressing the power button.
I think strange that when I put my T-Force Vulcan ( 8GB DDR4 2400 - TLRED48G2400HC1601) and enter the Bios, it shows the option to load XMP Setting and the pc boots normally, see the attached image.
But when I insert the G.Skill TridentZ RAM this option is not available.
I tried G.Skill RAM in A1 and B1 slots, and then in A2 and B2 slots and edited the voltage settings of VCCIO to 1.1V and VCCSA to 1.15V.

My build is:
-Motherboard: ASRock Z370 Pro4 - Version Bios - P 3.30
-Memory: G.SKILL TridentZ RGB Series 16GB (2 x 8GB) DDR4 3200, Model F4-3200C16D-16GTZR
-CPU: Intel i7-8700
-Storage: Samsung 970 Evo - 250gb
-GFx Card: Zotac GTX 1060 6GB Amp Edition
-Operating System : Windows 10 with all updates

Does anybody know why these things are happening?

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Rogher Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 25 Jan 2019 Location: Brazil Status: Offline Points: 3	Post Options Post Reply Quote Rogher Report Post Thanks(0) Quote Reply Topic: Z370 RAM problem Posted: 26 Jan 2019 at 4:05am
	I have the Asrock Z370 pro4 and I've updated the BIOS to the latest available version. I can select the DRAM Frequency at 2666mhz, and my PC runs well, although I noticed the computer screen turned black for about 3 seconds while I was using Firefox once time. But I'm not getting my G.SKILL TridentZ RGB (Model F4-3200C16D-16GTZR) working at 3200MHz. I enter the BIOS, click on OC Tweaker, DRAM Tweaker and I select XMP Profile 1 for 3200MHz. Then I save and exit. So my PC reboots and the screen turns black with no HDMI signal and I can't access the Bios neither the operating system. I have to turn off the computer by pressing the power button. I think strange that when I put my T-Force Vulcan ( 8GB DDR4 2400 - TLRED48G2400HC1601) and enter the Bios, it shows the option to load XMP Setting and the pc boots normally, see the attached image. But when I insert the G.Skill TridentZ RAM this option is not available. I tried G.Skill RAM in A1 and B1 slots, and then in A2 and B2 slots and edited the voltage settings of VCCIO to 1.1V and VCCSA to 1.15V. My build is: -Motherboard: ASRock Z370 Pro4 - Version Bios - P 3.30 -Memory: G.SKILL TridentZ RGB Series 16GB (2 x 8GB) DDR4 3200, Model F4-3200C16D-16GTZR -CPU: Intel i7-8700 -Storage: Samsung 970 Evo - 250gb -GFx Card: Zotac GTX 1060 6GB Amp Edition -Operating System : Windows 10 with all updates Does anybody know why these things are happening?

ASRock_TSD Members Profile Send Private Message Find Members Posts Add to Buddy List ASRock_Official Joined: 20 Mar 2015 Status: Online Points: 8907	Post Options Post Reply Quote ASRock_TSD Report Post Thanks(1) Quote Reply Posted: 24 Aug 2018 at 10:44am
	Dear Silver2312, Thank you for choosing ASRock. Please install the memory modules at the A2, B2 slots to try. Thank you! Yours truly, ASRock TSD

RLGL Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 29 Jul 2018 Location: MN Status: Offline Points: 2025	Post Options Post Reply Quote RLGL Report Post Thanks(0) Quote Reply Posted: 23 Aug 2018 at 5:04am
	If I grabbed the right manual for your board, page 16 gives the proper way to populate the DIMM slots. Use slots A2 and B2. Page 7 give the layout of the slots and identifies them.

silver2312 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 22 Aug 2018 Status: Offline Points: 4	Post Options Post Reply Quote silver2312 Report Post Thanks(1) Quote Reply Posted: 22 Aug 2018 at 6:11am
	Hello , guys i got real problems with setting my RAM to its native frq. 3200 MHz. After turning on XMP Profile 2.0 system boots but there are huge problems with stability in games . ( blue screens ) Ive tryed to turn on XMP profile and manually change VCCIO and VCCSA but PC didnt boot and automaticly rolled settings to 2133 MHz. Additionally , i tryed to turn off XMP and set manually cloak to 3200 , it didnt work , PC didnt boot and rolled back to 2133 MHz. RAM sticks are in slots 1 and 2 . After trying to put it into 3 and 4 , PC didnt boot ( dont know why ?! ) , Even when i took battery out and reset BIOS settings to default. PC specs : CPU : Intel(R) Core(TM) i5-8600K CPU @ 3.60GHz ( OC to 4.4GHz) RAM : G.Skill F4-3200C16-8GVKB x2 Board : Z370 Pro4 BIOS v.3.1 GPU : GTX1060 6 GB