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MSI z370, Ez debug DRAM LED and more

Krz
By Krz
in CPUs, Motherboards, and Memory
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Hello, I need your help. Today I've upgraded my PC (almost everything except for GPU and storage) but upon turning it on CPU and DRAM LED lights started interchangeably flashing. Beeper is silent, nothing is on the screen and keyboard and mouse don't work.

I've tried reseating the RAM and now the behaviour has changed - upon turning the PC on the CPU LED lights up for a fraction of a second then it switches to DRAM light which shines for about 5 seconds then turns off and then it's the same as above - nothing is working.

I've tried removing the RAM completely then the beeper gives 3 long signals and DRAM LED shines permanently - naturally but goes to show that at least the beeper is working.

 

The PC spec is as follows:

i5 9600k

MSI z370 Tomahawk

2x8 GB G.Skill Ripjaws V 3000 MHz (tried one at a time in all slots)

Corsair R650x PSU

 

I've removed dedicated GPU from the mobo to test.

 

Could I've killed my CPU while installing? Or could it be a DRAM incompatibility since the RAM in question is listed in compat. tab for i3 but NOT for i5/i7 on MSI website - but I've thought it shouldn't matter until I engage XMP in BIOS?

 

I'm really nervous here having spent $1000+ on an upgrade and all

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did you update the motherboard's BIOS before the CPU swap?

CPU: i7-2600K 4751MHz 1.44V (software) --> 1.47V at the back of the socket Motherboard: Asrock Z77 Extreme4 (BCLK: 103.3MHz) CPU Cooler: Noctua NH-D15 RAM: Adata XPG 2x8GB DDR3 (XMP: 2133MHz 10-11-11-30 CR2, custom: 2203MHz 10-11-10-26 CR1 tRFC:230 tREFI:14000) GPU: Asus GTX 1070 Dual (Super Jetstream vbios, +70(2025-2088MHz)/+400(8.8Gbps)) SSD: Samsung 840 Pro 256GB (main boot drive), Transcend SSD370 128GB PSU: Seasonic X-660 80+ Gold Case: Antec P110 Silent, 5 intakes 1 exhaust Monitor: AOC G2460PF 1080p 144Hz (150Hz max w/ DP, 121Hz max w/ HDMI) TN panel Keyboard: Logitech G610 Orion (Cherry MX Blue) with SteelSeries Apex M260 keycaps Mouse: BenQ Zowie FK1

 

Model: HP Omen 17 17-an110ca CPU: i7-8750H (0.125V core & cache, 50mV SA undervolt) GPU: GTX 1060 6GB Mobile (+80/+450, 1650MHz~1750MHz 0.78V~0.85V) RAM: 8+8GB DDR4-2400 18-17-17-39 2T Storage: HP EX920 1TB PCIe x4 M.2 SSD + Crucial MX500 1TB 2.5" SATA SSD, 128GB Toshiba PCIe x2 M.2 SSD (KBG30ZMV128G) gone cooking externally, 1TB Seagate 7200RPM 2.5" HDD (ST1000LM049-2GH172) left outside Monitor: 1080p 126Hz IPS G-sync

 

Desktop benching:

Cinebench R15 Single thread:168 Multi-thread: 833 

SuperPi (v1.5 from Techpowerup, PI value output) 16K: 0.100s 1M: 8.255s 32M: 7m 45.93s

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Those are completely new mobo and CPU. Older CPU won't help, not LGA1151

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The issue was with a motherboard having an outdated BIOS. Updating it to support 9600k solved the problem.

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