Question Red DRAM Light on ASRock B660 Pro RS ?

Jun 25, 2022
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Hi everyone!

Just tried to build a new system (haven't done that for more than a decade), and ran into trouble, right after trying to boot the system for the first time.

The post status checker light for the DRAM turns to red.

I'm using 2x8gb Corsair Vengeance RGB Pro (CMW16X4M2C3200C16W).

The RGB lights on the RAM turn on but I'm not getting any signal, I can't even access the bios, because the screen stays black.

I put the RAM in the A2 / B2 slots at first, but also A1/B1 or single use isn't successful.

I also checked the power cables, they are firmly connected.

Any idea, what the issue might be?

Thx in advance!
 
Jun 25, 2022
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Unplug it from the wall, remove the cmos button battery to reset the bios, Install ram in A2 and B2 and report back. Looking at the motherboard manual I do not see a option for a single stick and what slot to use if you do so weird.
Unplugged it, removed the battery for about 10min, plugged everything back in - unfortunately to no effect. Still red light.
 
Jun 25, 2022
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Can you borrow even a single DDR4 RAM stick from someone / some PC ?
We see so many posts here starting with "I put some Corsair Vengeance RAM ...." that this is the 1rst thing I would try
Unfortunately not. But I'm thinking about buying another pair to test if the RAM is faulty.
 
Jun 25, 2022
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400 W ?? You can hardly power this system with a 400 w PSU.
Going to the Bequiet power calculator you need 394w.
https://www.bequiet.com/en/psucalculator.

Are you sure about the PSU ?
Yes, but I've seen the system running (rebuilt it from a YouTube vid), so it should work out. But I am indeed thinking about installing a 600w PSU.

But if the power is insufficient, it should become a problem later on, not while booting.
 

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