Ram still won't work in pc, time for a new motherboard?

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dusk987

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Feb 6, 2018
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My ram abruptly stopped working after upgrading from 8gb to 16gb. I took out all the sticks tested them one by one, cleaned the slots, cleared cmos, and nothing worked. I still got the beep signal(1 long, three short) for faulty memory. On a whim I put the ram in another computer and every single stick worked fine. I put the ram from the new computer into the faulty one (1x8gb) and nothing changed, still the same beep code.

Is my motherboard dead? Should I go ahead and purchase a new one?

Motherboard: https://www.gigabyte.com/Motherboard/GA-990FXA-UD3-rev-40#ov

Ram: https://m.newegg.com/products/N82E16820231445

Thanks for the help
 
Solution
smashjohn
Probably. If you had working RAM that you know is still good and it no longer works on that motherboard, it's probably the memory controller on the motherboard. For this to have fried, there probably needs to have been somekind of short ciruit, which may have been caused by a poorly seated ram module. Hot swapping memory can do this too. It's hard to explain how you could be having a memory controller issues if something like this didn't happen. Maybe and ESD event?

The only other thing I can think of is that you might want to verify that your bios is AMI. The Award bios also has a L/S/S/S beep code that would point to your GPU, not your RAM. It's another long shot. The link you provided is clearly for a board with an AMI bios...
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smashjohn

smashjohn

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Aug 14, 2017
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Have your tried switching to your backup bios? Did you try your old RAM? Also, when you tested one by one, did you test in the correct slot? I don't have you MB manual here, but it should tell you which slot should be populated for single-stick use. Just trying to help cover all the bases. It sounds like your testing approach was solid.

 
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dusk987

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Feb 6, 2018
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Yes I put it in the correct spot(slot one on the very right) for each piece of memory. Even went as far as testing each slot and clearing cmos with each one.

However I haven't backed my bios, I don't get any visual on my monitor. Can I back up the bios even if the computer doesn't boot?

 
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smashjohn

smashjohn

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Aug 14, 2017
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I think you're motherboard has a dual bios. This means that you have two bioses you can switch between. You should either have a switch or a jumper that selects which bios to use. It's a long shot; since you're getting beep codes, your bios is probably fine, but it's worth a shot. You don't have to have backed up your bios to switch.
 
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dusk987

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Feb 6, 2018
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Ah OK. If that doesn't work should I get a new motherboard? Or is there anything else I can try?
 
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smashjohn

smashjohn

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Aug 14, 2017
574
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Probably. If you had working RAM that you know is still good and it no longer works on that motherboard, it's probably the memory controller on the motherboard. For this to have fried, there probably needs to have been somekind of short ciruit, which may have been caused by a poorly seated ram module. Hot swapping memory can do this too. It's hard to explain how you could be having a memory controller issues if something like this didn't happen. Maybe and ESD event?

The only other thing I can think of is that you might want to verify that your bios is AMI. The Award bios also has a L/S/S/S beep code that would point to your GPU, not your RAM. It's another long shot. The link you provided is clearly for a board with an AMI bios. What gets me is that the only reference I can find to this AMI beep error is a Non-Fatal memory error, and that would potentially let you boot to the Bios.

You may as well check your GPU (reseat it) and all of your power cables. It's always possible something got bumped during the upgrade.

In my experience, when something gets fried, you smell it. If you had something like an ESD event, I would expect malfunctions, but not no function. So I struggle to declare a motherboard dead due to spontaneous catastrophic failure.
 
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