B560 DRAM or mobo issue£

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   Hi,

Just got finished with a new build with a B560 but can't get the machine started. The PSC DRAM light is on and no display. Have read elsewhere that some mobos, particularly the 550s have some issues with DRAM and CPU lights being on.
Is it obvious in this case that I've got dud memory£

Ideas to proceed welcome

AsRock B560 Steel Legend
Intel I9-10850
Corsair Vengeance 16GB x 2 (in A2 and B2 slots with RGB working)
Corsair 600W PSU
NVidia 1050Ti GPU
Sunbow 1TB SSD (SATA0)
Deep Cool Matrexx 50 case

Everything else appears to be working: mobo lighting on, DRAM lighting on, USBs seem to work (can hear a usb hdd starting up). All fans working

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Thoridan Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 21 Mar 2021 Status: Offline Points: 35	Post Options Post Reply Quote Thoridan Report Post Thanks(0) Quote Reply Topic: B560 DRAM or mobo issue£ Posted: 21 Mar 2021 at 5:42am
	Hi, Just got finished with a new build with a B560 but can't get the machine started. The PSC DRAM light is on and no display. Have read elsewhere that some mobos, particularly the 550s have some issues with DRAM and CPU lights being on. Is it obvious in this case that I've got dud memory£ Ideas to proceed welcome AsRock B560 Steel Legend Intel I9-10850 Corsair Vengeance 16GB x 2 (in A2 and B2 slots with RGB working) Corsair 600W PSU NVidia 1050Ti GPU Sunbow 1TB SSD (SATA0) Deep Cool Matrexx 50 case Everything else appears to be working: mobo lighting on, DRAM lighting on, USBs seem to work (can hear a usb hdd starting up). All fans working

OH650R Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 21 Mar 2021 Location: US Status: Offline Points: 150	Post Options Post Reply Quote OH650R Report Post Thanks(1) Quote Reply Posted: 21 Mar 2021 at 9:00pm
	Did you try a single stick in each of the slots£ It's a little time consuming and tedious, but you'll find out if you have a bad stick, bad slots or both.

Thoridan Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 21 Mar 2021 Status: Offline Points: 35	Post Options Post Reply Quote Thoridan Report Post Thanks(0) Quote Reply Posted: 23 Mar 2021 at 6:20am
	Many thanks for you reply. OK so I did already try some combinations, but on your suggestion found that only the B1 and B2 slots were working. Done some more digging, installed latest BIOS but still A1 and A2 not working Next going to look at the CPU and cooler - it has a backplate which read may cause issues