A red CPU LED like no other
Solvedflo88 Posted messages 28664 Registration date Status Contributeur Last intervention -
Hello everyone,
I’m reaching out to you today to explain my situation.
Having scoured various forums detailing this problem with simplicity, I believe I’ve done everything in my power to try to solve my issue with the red CPU LED and black screen.
Flashing the BIOS, clearing the CMOS, removing the battery, moving the RAM, removing them, testing my CPU on another motherboard, testing my power supply on another motherboard, testing another power supply, testing another CPU (which also doesn’t work on this motherboard), and so on.
I have:
-MSI MPG x570 gaming pro Carbon wifi
-ryzen 9 5900x (+ ryzen 5 pro 3350ge)
-GTX 1080ti
-16 GB Corsair Vengeance LPX 3000mhZ
-MSI MAG CoreLiquid 360R V2 cooling (and before that, I had a Noctua air cooler)
Changing cases to switch from my air cooler to my water cooling, I went from a configuration that was working well (but was overheating and forced me to throttle my CPU via the AMD controller) to what I’m describing, which doesn’t work at all..
Help ????
7 réponses
Good evening
Stupid question, but have you checked the power supply? Is it strong enough to support the modification?
I was already using this power supply to run the CPU and GPU in games; moreover, I started it by removing all the SSDs, fans, and GPU, so the load, if it had been higher with what was added, was no longer significant at those moments.
Hello
Try to reconnect the CPU cooler, it might be a connectivity issue with the water cooling....
Also discharge any residual static electricity by pressing the power button several times while the power supply is unplugged.
Another point, how and why did you update the BIOS if the PC is unusable? A BIOS should only be flashed in a stable environment, otherwise you risk adding a failure.
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I have already unplugged the water cooling and tried with another CPU that hardly heats up (r5pro3350ge) by only using one fan on the CPU fan 1 to see if it would restart just long enough to open the BIOS and change the LEDs, and it didn’t work.
I flashed the BIOS as it is the number one recommendation from the manufacturer and forums for the CPU LED issue. I did this by following all the instructions (USB key in FAT32, latest BIOS update from the MSI website and file renamed to MSI.ROM, plugging in the power supply but not pressing the power button, and putting the USB key in the correct port by clicking the flash BIOS button. Then let the LED blink until it stops 6-7 minutes later).
Just when I did this flash, the PC restarted into a black screen right after (CPU LED still lit). I don’t know if this automatic restart after the flash is normal or if it indicates something.
Have you tried putting the motherboard back in the old case?
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Manufacturer and forum recommendation number 1 for the CPU LED issue
Well, here you are on a forum where I'm telling you the opposite, your PC was functional before the case change, you definitely shouldn't have flashed the BIOS because now it's anyone's guess whether the problem is due to a reassembly error or the failed flash, because flashing a BIOS without the motherboard being functional is only done when the CPU is not supported by the board, which wasn't your case. This type of blind flashing is very risky; we have no way of knowing if the process was successful.
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Euskadi Ta Askatasuna
Hello,
During my flashbacks, I use a LED USB key, which indicates the I/O activity (very handy) when the motherboard (especially the power supply) doesn't turn off automatically for example (after about +/- 15 minutes)
And it's necessary to check the LED on both the motherboard and the USB side; because sometimes there's no activity for a certain period, so one might be tempted to turn it off manually :/
So I flashed the BIOS after noticing there was a problem. First, I installed just one RAM stick, then I tried all four, restarting each time with the same issue. I tested each RAM on another PC and they worked. I changed the CPU thinking it might have burned out, but that didn't work; the 5900x also worked on the other PC. Then I reset the CMOS jumper, and after that, I removed the battery for 20 minutes. Seeing that nothing was working and the advice for the red LED was to flash the BIOS, I flashed the BIOS.
Hi,
The motherboards that come with a FlashBack button (are the safest), there's no need to necessarily put your components in the motherboard ( CPU / RAM / GPU ) The power supply is enough!
Then, have you considered going back to the old BIOS > 7B93v1H, which is from last year with the agesa 1.2.0.7?
It seems that you already tried to re-flash, but without success...
In the worst case, you might have bricked your motherboard (RiP)
Normally, yes, you can use the Flashback button.
In any case, at this point, you might as well try.
It has always worked for me; but then again, it was with an Asus,
Remove all the components, CPU, RAM; just connect your power supply
and at the same time check the pins of your Ryzen as well as the socket, to see if any pins are bent or if there's thermal paste residue /// the same goes for the socket if there's dust/hair/pet fur lol
After pressing/holding the Flashback button for 2-3 seconds, the LED operation will begin,
(it can take 15 minutes or more), so be patient.
In the end, either it will turn off by itself, or it will stay on for 20-25 minutes, and then you will need to force shut it down using the 0-1 button at the back of the power supply... Then reconnect your CPU and RAM components.
Good luck, otherwise, return it for repair if it's still under warranty.