Red LED motherboard CPU, power + reset button
Albero68
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flo88 Posted messages 28486 Registration date Status Contributor Last intervention -
flo88 Posted messages 28486 Registration date Status Contributor Last intervention -
Hello,
I'm reaching out for help because I have a really strange problem that seems quite inexplicable. It's going to be a bit lengthy, but I'll explain everything in detail.
I recently ordered a new power supply because my old one was getting hot and making a lot of noise while gaming. I received it yesterday, and everything went fine. I used it normally all day. In the evening, I restarted my PC, and then I got a black screen; the BIOS didn't even appear. I looked at my PC, and there was a red LED cpu that turned on and quickly switched to the RAM from time to time. I found it odd, and I decided to do a clear CMOS, so I removed the battery from my motherboard, restarted, and still nothing. I tried to short the two metal pins to perform a clear CMOS as indicated in my motherboard manual, but still nothing. I then thought it must be due to the power supply I had just changed. So, I reconnected my old power supply, booted up the PC, and still nothing. I searched online in various places, but found nothing conclusive. To see where the failure was coming from, I unplugged everything from my PC and only kept the power supply - CPU - motherboard and one RAM stick in a different slot. I restarted my PC, and the same LEDs lit up; I have no idea where the problem lies, but I'm leaning towards the motherboard.
Finally, I came across a post from someone who had the exact same problem as me, and he said to do this process exactly: with the computer off, press and hold the reset button, then press the power button, and after a few moments, release the reset button. And then, miracle... it works. I put my entire PC back together correctly with my new power supply, and the computer works like before. However, I still occasionally have this problem, and I have to repeat this manipulation.
Hence my question: what does this manipulation do normally because I couldn't find anything about it on the internet, and how can I avoid having problems again?
I have a lead, but I'm not sure if it's the problem; a few days ago, I overclocked my RAM from 2400MHz to 2666MHz using my motherboard's software. Indeed, I hadn't noticed, but my RAM was capped at 2400 while it is normally 2666 RAM. Anyway, there was an issue, and my PC rebooted, so I decided not to touch it anymore, but there were no issues since. So maybe my RAM is trying to overclock to 2666MHz sometimes, but it doesn't work, leading to problems on startup?
Thank you for reading :)
My setup:
Motherboard ab350 gaming 3
Processor ryzen 1700X
2x8Go RAM balistix
Graphics card MSI 980ti gaming
Power supply EVGA supernova 650GQ
Case Masterbox lite
SSD Kingston 250 Go
HDD Seagate Barracuda 2 To
I'm reaching out for help because I have a really strange problem that seems quite inexplicable. It's going to be a bit lengthy, but I'll explain everything in detail.
I recently ordered a new power supply because my old one was getting hot and making a lot of noise while gaming. I received it yesterday, and everything went fine. I used it normally all day. In the evening, I restarted my PC, and then I got a black screen; the BIOS didn't even appear. I looked at my PC, and there was a red LED cpu that turned on and quickly switched to the RAM from time to time. I found it odd, and I decided to do a clear CMOS, so I removed the battery from my motherboard, restarted, and still nothing. I tried to short the two metal pins to perform a clear CMOS as indicated in my motherboard manual, but still nothing. I then thought it must be due to the power supply I had just changed. So, I reconnected my old power supply, booted up the PC, and still nothing. I searched online in various places, but found nothing conclusive. To see where the failure was coming from, I unplugged everything from my PC and only kept the power supply - CPU - motherboard and one RAM stick in a different slot. I restarted my PC, and the same LEDs lit up; I have no idea where the problem lies, but I'm leaning towards the motherboard.
Finally, I came across a post from someone who had the exact same problem as me, and he said to do this process exactly: with the computer off, press and hold the reset button, then press the power button, and after a few moments, release the reset button. And then, miracle... it works. I put my entire PC back together correctly with my new power supply, and the computer works like before. However, I still occasionally have this problem, and I have to repeat this manipulation.
Hence my question: what does this manipulation do normally because I couldn't find anything about it on the internet, and how can I avoid having problems again?
I have a lead, but I'm not sure if it's the problem; a few days ago, I overclocked my RAM from 2400MHz to 2666MHz using my motherboard's software. Indeed, I hadn't noticed, but my RAM was capped at 2400 while it is normally 2666 RAM. Anyway, there was an issue, and my PC rebooted, so I decided not to touch it anymore, but there were no issues since. So maybe my RAM is trying to overclock to 2666MHz sometimes, but it doesn't work, leading to problems on startup?
Thank you for reading :)
My setup:
Motherboard ab350 gaming 3
Processor ryzen 1700X
2x8Go RAM balistix
Graphics card MSI 980ti gaming
Power supply EVGA supernova 650GQ
Case Masterbox lite
SSD Kingston 250 Go
HDD Seagate Barracuda 2 To
1 answer
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flo88 Posted messages 28486 Registration date Status Contributor Last intervention Ambassadeur 5 168
Hello
Hence my question, what does this manipulation normally do because I couldn't find anything about it on the internet and how to avoid having problems in the future?
This procedure looks like a way to discharge capacitors; normally, the process is more straightforward:
PC unplugged, you press the "power" button several times, which has the effect of draining the capacitors of their residual charges that can sometimes block the boot of a motherboard.
This usually occurs after manipulating the PC (changing components, which is the case here)
We often forget that static electricity can have harmful effects, and this is one of them. And we often forget to discharge this static electricity before working on a PC.........
I have a lead, but I have no idea if that's the problem; a few days ago, I overclocked my RAM from 2400MHz to 2666MHz using my motherboard's software.
I don't think it comes from that, but revert everything to how it was before because the RAM may be bottlenecked by the processor (it's the one that integrates the controller)
Overclocking is done from the UEFI, not from software, just a tip.
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