Random power down or auto wake-up and start restart loop issue after window update

D

DK_1111

Hi,


After I updated widows 10 using windows update function, my system because very unstable -

restart loop a few times and no post after that. The pc power button is no longer working until I cut the power and drain the power completely.


The symptom starts with random power up automatically, then it shut down by it self a few minute later.

Then, it starts restart loop ending power cut by motherboard circuit break.


Tried troubleshooting for last four months

1) I replaced the PSU, CPU, motherboard, SSD, and ram. Still the same problem occurs.


2) Updated windows 10 build 1909 to 20H2, but has the same issue.


3) Fresh install the build 1909, as soon as I run and install the windows update, the reboot loop starts and it kills the motherboard power circuit.


4) Finally I tried three different PCs: two are using MSI motherboards, and one is using old Dell PC.

I have no issue with Dell PC, but MSI board PCs have the same issue.


Here are three PC specs.


PC 1: (Reboot loop issue since update on July 2020)

Motherboard: MSI Z97M

CPU: i5-4690

Ram: Corsair DDR3 16gb



PC2: (Reboot loop issue since update on July 2020)

Motherboard: MSI Z390M

CPU: i5-9600

Ram: G.Skill DDR 4 16gb


PC3: (No Reboot issue)

Dell Optiplex 9020

CPU: i7-4790

Ram: DDR 3 16 gb


I follow every step what below site suggested without any luck.




Note that fresh installation of build 1909 without windows update does not have this issue (I am observing last two days and do not having any random power down issue yet)


Please advise.

Best,

D

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