B550M Steel Legend memory problems

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   m/b asrock B550M Steel Legend(3.40 rom)/
AMD Ryzen 7 PRO 3700 8-Core /
ssd samsung evo 870 1Tb/ nvme ADATA LEGEND 850 1Tb / nvme  KINGSTON SA2000M8500G 500Gb
RAM 64Gb Kingston HyperX HX426C16FB3K2/64 64GB (32GB 4G x 64-Bit x 2 pcs.) DDR4-2666 CL16-18-18 @1.2V 288-Pin Pi DIMM Kit 
OS Ubuntu 22.04
It works well

PC freezes on startup after upgrade to 128 Gb RAM  
KF426C16BBK2/64 Kingston FURY 64GB (32GB 4G x 64-Bit x 2 pcs.) DDR4-2666 CL16-18-18 @ 1.2V 288-Pin DIMM Kit

memtest86+(ubuntu 22.04) all is OK

WTF?!

PC won't boot up at all (black screen) when memory installed as A1-B1(HyperX) and A2-B2(FURY) OR A1-B1(FURY) and A2-B2(HyperX)
It works on sheme A1(HyperX) A2(HyperX) B1(FURY) B2(FURY) and sometimes it freezes now 
Yes I did Reset to Default on BIOS. PC won't boot (asrock icon is on the screen ) when memory is set to AUTO sometimes this also happens when manual to 2666. 

Can anybody help me?

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DelMike Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 26 Apr 2024 Status: Offline Points: 20	Post Options Post Reply Quote DelMike Report Post Thanks(0) Quote Reply Topic: B550M Steel Legend memory problems Posted: 26 Apr 2024 at 5:11pm
	m/b asrock B550M Steel Legend(3.40 rom)/ AMD Ryzen 7 PRO 3700 8-Core / ssd samsung evo 870 1Tb/ nvme ADATA LEGEND 850 1Tb / nvme KINGSTON SA2000M8500G 500Gb RAM 64Gb Kingston HyperX HX426C16FB3K2/64 64GB (32GB 4G x 64-Bit x 2 pcs.) DDR4-2666 CL16-18-18 @1.2V 288-Pin Pi DIMM Kit OS Ubuntu 22.04 It works well PC freezes on startup after upgrade to 128 Gb RAM KF426C16BBK2/64 Kingston FURY 64GB (32GB 4G x 64-Bit x 2 pcs.) DDR4-2666 CL16-18-18 @ 1.2V 288-Pin DIMM Kit memtest86+(ubuntu 22.04) all is OK WTF?! PC won't boot up at all (black screen) when memory installed as A1-B1(HyperX) and A2-B2(FURY) OR A1-B1(FURY) and A2-B2(HyperX) It works on sheme A1(HyperX) A2(HyperX) B1(FURY) B2(FURY) and sometimes it freezes now Yes I did Reset to Default on BIOS. PC won't boot (asrock icon is on the screen ) when memory is set to AUTO sometimes this also happens when manual to 2666. Can anybody help me?

Type44Q Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 27 Apr 2024 Status: Offline Points: 15	Post Options Post Reply Quote Type44Q Report Post Thanks(0) Quote Reply Posted: 27 Apr 2024 at 2:04pm
	Prime95 Torture Test (mersenne.org) - I'd run it off a live usb after hard-resetting your CMOS... It's usually easy to narrow-down a hardware problem like this one; the culprit('s) going to be ram, memory controller/cpu, power supply and/or your bios settings...