Fresh build - won't boot with 2 sticks of memory
Printed From: ASRock.com
Category: Technical Support
Forum Name: Intel Motherboards
Forum Description: Question about ASRock Intel Motherboards
URL: https://forum.asrock.com/forum_posts.asp?TID=19045
Printed Date: 25 Apr 2024 at 9:45am
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com
Topic: Fresh build - won't boot with 2 sticks of memory
Posted By: davidkillion
Subject: Fresh build - won't boot with 2 sticks of memory
Date Posted: 09 Jun 2021 at 11:51pm
This isn't my first rodeo - but it's been awhile since I've built a PC. I think I know what I'm doing, but what's happening below is making me question everything.
MB: ASRock Z590 PG VELOCITA LGA 1200 Intel Z590 SATA 6Gb/s ATX Intel
Memory: G.SKILL Ripjaws V Series 32GB (2 x 16GB) 288-Pin DDR4 SDRAM DDR4 4000 (PC4 32000) Intel XMP 2.0 Desktop Memory Model F4-4000C18D-32GVK
CPU: Intel Core i7-11700K Rocket Lake 8-Core 3.6 GHz LGA 1200 125W BX8070811700K Desktop Processor Intel UHD Graphics 750
All purchased from NewEgg.
When I install the memory in A2 & B2 and turn it on, all fans spin up but no video. The diagnostic display rotates between 00, 7F, 30 & finally 4C(? - it's quick). It does this indefinitely.
Google searching resulted in a troubleshooting idea to only boot with 1 stick. I did this in B2 and the video works - BIOS anyway (blank diagnostic readout). I manually set the memory settings, but it didn't change any behavior. Single stick in A2, nothing (diagnostic: 7f & 30 - very quickly). Swapped memory sticks and same thing (so it's not the memory). I even bought some DDR4-3200 Corsair memory from Amazon for a quick test and get the same behavior. I'm 99% sure it's not a memory issue.
Note that I never get any beeps from the MB speaker, strangest thing.
ASRock support wants me to pull the MB out of the case and test, but I don't understand how that will help. I only have a known working M.2 installed, memory, CPU, Fan and case controls plugged in.
Any help would be greatly appreciated!
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Replies:
Posted By: RLGL
Date Posted: 10 Jun 2021 at 4:56am
To start with the new boards do not have speakers. Does the monitor auto select the port and cable type? It may need to be switched manually.
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Asrock Z370 Gaming K6,Intel i7 8700K,
Asrock x570 Taichi
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Posted By: davidkillion
Date Posted: 10 Jun 2021 at 5:10am
Thanks for responding. I did find it odd that the MB didn't come with a speaker - but I had one in my parts bin. Oddly, in one configuration I did get it to make a random beep.
I've decided to RMA the board. During disassembly, upon a very close examination, it looks like there might be a bent pin in the CPU slot.
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Posted By: robertd903
Date Posted: 23 Jun 2021 at 5:41am
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So, was there a definition to codes: 4C 7f 30 00?
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