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Posted · Original PosterOP

Hi All,

 

I recently built a gaming PC with the following configuration:

https://pcpartpicker.com/user/HappyTron/saved/#view=fQzgt6

 

At the two messages are shown:

Memory PMU Training Error at Socket 0 Channel 0 DIMM 0 & DIMM 1

Which changes to:

Memory PMU Training                                                    DIMM 1

 

For about a month there was no issue with the computer and all 4 RAM sticks were working fine at 3600 MHz. There was a instance when the computer suddenly shut down and after reboot this error started showing up. Now I only see 32 GB of memory being detected in the task manager and running at 2666 MHz.

I tried setting the BIOS settings to default, enabling and disabling XMP, but it doesn't change.

 

I am fairly new in PC building and don't have enough in-depth knowledge about memory timing and troubleshooting. Any pointers to try and debug this issue would be a great help.

 

Thanks!

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9 minutes ago, HappyTron said:

Memory PMU Training

I would start by trying to isolate the memory as being at fault, use one stick at a time and move it around to different slots trying to recreate the error.  Have fun

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Posted · Original PosterOP
2 minutes ago, TylerDurden! said:

I would start by trying to isolate the memory as being at fault, use one stick at a time and move it around to different slots trying to recreate the error.  Have fun

Thanks, I'll do that and report back.

 

Will rotate each RAM Stick on each slot and mark which memory sticks are faulty and report back.

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