Windows 10: Computer won't boot all of the sudden - debug LEDs point to CPU/RAM

Hello guys, I'm trying to help a friend remotely so I'm writing this as if it's my PC.

So I tried to turn on my PC today. It turns on for a second and then turns off. I didn't know what's up so I tried to debug it by making sure everything fits into place. Still no go.

I pulled my RAM out, both of them and it seems to keep on booting. So I kept only one stick which I moved between both slots. Seemed okay so I plugged in the other one, then it stop booting. So I plugged everything back in, leaving the faulty stick out but the PC won't POST. My keyboard's backlight was blinking, the mouse as well, seemed like something at fault.

I looked at my Mobo again and saw there are debug LEDs. I have an MSI Z270 pc mate motherboard and according to their website, and if I understood the following sketch correctly, my CPU and DRAM was bad:







The top 2 LEDs are lighting up when I turn on my PC. I tried to move the only working stick I had to another slot but that didn't fix the issue.
I also tried to unplug everything from the power and hard reset my computer by holding down the power button for 30 seconds.
I'm afraid to try and reinstall the CPU, is it something that can be done by anyone?



I have this computer for 3 years and never had an issue.

This is my rig:
MSI Z270 pc mate
I7-7700
VENGEANCE LPX 16GB (2 x 8GB) DDR4 DRAM 3000MHz C15 Memory Kit - White
Antec NE650M
GTX 1070


Any help would be great.

:)

 

Computer won't boot occasionally

I have to start the computer and hope it start normally every time I turn it on or I have to shut it down and try again. This usually cost me 5 or more tries.
The debug cpu led always turns on so I reseated the cpu and reapplied thermal paste but it didn't work.

I cleared CMOS a several times but it didn't work.

When I try to run the POST, the debug led will move on to whatever part I'm missing, RAM when I removed 1 stick, VGA when I removed my graphics card, Boot when I remove my SSD. So I guess the cpu shouldn't be faulty?

Whenever I try to restart, the computer usually goes to black screen after passing through all the boot process as I can see with the debug led light.

I had BSOD loop before but I formatted all the drives and reinstalled windows so it shouldn't be corrupted files?

I had the recent windows update and ran sfc

Once my pc booted into Windows, everything works just normally without any problem, sudden BSOD or restart... etc.

What further information should I look for and provide for further investigation?

PC specs:

Mobo: MSI B550M Mortar

CPU: Ryzen 5 3600

GPU: Colorful GTX 1660 Super NB V

RAM: Team Group 2x8GB (TED416G3200C22BK)

Storage: Samsung EVO 970 Plus 250GB(my boot drive)

Vi550 S3 1TB

WD10EZEX-21WN4A0

PSU: MWE 650 Bronze - V2

 

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Yesterday was reading on it. All of a sudden turned off and now it won´t turn on

 

Computer refuses to boot

All of a sudden after opening up my computer to remove one of my ram sticks to check the timings on it after replacing it and powering on from a cold start my computer will not boot and does not show any picture on the screen, it starts up with all of the fans going but then it shuts off after 10-15 seconds, what troubleshooting steps should i take???

*Cry :cry: