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I’m looking at this from a hardware standpoint:

In some ways, like E Pericoloso Sporgersi has suggested, this sounds like a failing power supply, but:

You have replaced the power supply, and have not added new hardware (such as a new video card) that might require a heavy power draw.

I’m assuming that when you replaced the power supply, you replaced all cables with the ones that came with the new power supply.

It is possible that the sata cable from the motherboard to the drive is loose.  This could have happened when the power supply was replaced.

I am out of ideas at this point.

Why did you replace the power supply?  Was your pc needing a second boot or more before you replaced the power supply, or did this just start once you replaced the power supply?

Is your boot disk a hard disk or ssd?

Any other hardware changes, such as a new video card?

Does you pc post, but fail to boot into windows, or does it fail to post before needing a restart?

 

 

I saw a problem very similar to yours. The problem was the monitor power cable. Replaced the power cable and the problem went away. I would also check to make sure that the monitor power cable is plugged in fully to the monitor.

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Casey H

As Ascaris has noted, it is unclear what you are referring to in your last post. When you post, be sure that you clearly state if you are referring to the bios, Grub menu, F7 menu, etc.

For the time being, leave secure boot off.

I’m making a guess here as to what you are referring to:  It is possible that the bios update changed the default boot order. Not a big deal to fix, as you simply change it back. In the bios, what is the default boot order, and what are your possible choices?

 

You do not need the TPM 2.0 SPI add in card.  Once you have updated your motherboard to the latest bios version, and have enabled TPM in the bios, you’re good to go.

 

What is the model of your Asus motherboard?  It’s more than likely that you do not need the TPM 2.0 SPI add in card, but rather you just need to update your motherboard bios to the latest version, and enable TPM in the motherboard bios.

See https://www.asus.com/microsite/motherboard/ASUS-motherboards-Win11-ready/

I would also look in your motherboard bios so see what your boot drive is.  You should be able to change it to boot from your Ubuntu drive if you had been booting from it previously.

On this pc, I’m running a AMD 5600x on a MSI MPG X570 Gaming Edge Wifi motherboard. Writing this reply, I’m running 31 degrees C, as measured by MSI Center. Although the same CPU, I would imagine that most everything else is different. Different case, fans, CPU cooler, and airflow. So not a direct comparison by any means.

Since you changed the motherboard, one of the first things that I would do would be to check the fan curves in the BIOS. It is possible that the case fans and/or CPU cooler fan(s) are turning too slowly.  Simple enough to check and fix.

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satrow

I also image my pc’s weekly, if not more so.  I keep a copy of the latest image, plus a copy of all files from the user account on a separate fast read/write 256gb usb drive.  My most sensitive documents are encrypted using 7-zip.  Nothing is foolproof, but this works for me.

 

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SupremeLaW

I still use Microsoft SyncToy to sync my Documents folder to another drive on my pc. That folder is then synced to the cloud to Sync.com.

This install was done using the official Microsoft iso, obtained using Microsoft Media Creation Tool, doing a “clean install”, not an upgrade, using the “no@thankyou.com with ANY password” tip by Susan, to create the local account.

I’m running Windows 11 Pro, 22H2, 22621.521, using a local account.  You can add new apps and update existing apps from the Microsoft Store without needing a Microsoft account.  I’m not sure why some people are confused on this.

This is not so.  You do not need a Microsoft account to install new apps from the Microsoft Store.

Perhaps I do not understand your answer, but you absolutely do not need a Microsoft account to update your apps from the Microsoft Store.

It does not.  No need to be logged in to update your apps from Microsoft Store.

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GeeBeeDee, Cybertooth, Save_Us_from_MS, geekdom, BobbyB, Just another Forum Poster

This works really well and is what I use to create installation .iso’s.