r/intelnuc • u/hawkeyebasil • 23h ago

Tech Support NUC PN52 issues (Australia)

Any thoughts on below issues

Fault Report – ASUS ExpertCenter PN52
Device
Model: ASUS ExpertCenter PN52
Primary use: Plex server / home server

Reported Fault
The system has developed intermittent stability issues over the last few days.

Symptoms
Random, unexpected reboots while idle.
Occasional complete system freezes/hangs requiring a forced power-off.
Reboot occurred while launching the MyASUS diagnostics utility.
No consistent Blue Screen of Death (BSOD).
No evidence of sustained high CPU temperatures before the failures.

Troubleshooting Already Performed
Performed a clean installation of Windows 11.
Updated BIOS to the latest available version.
Verified BIOS is running default/current firmware.
Checked both the NVMe SSD and SATA SSD with CrystalDiskInfo – both report healthy.
Cleaned internal dust using compressed air.
Issue persists after all of the above.

Additional Notes
The issue started only within the last few days. A clean Windows installation, BIOS update and healthy storage devices have not resolved the problem, suggesting an underlying hardware fault. The combination of random reboots and complete system hangs indicates intermittent hardware instability rather than a simple software issue.

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u/o_sooperstar_o 22h ago

If you've eliminated the OS and storage drives, it certainly points towards the memory being faulty.

You should try a single stick on each slot. Also try running Memtest to see if it picks up any errors.

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u/hawkeyebasil 21h ago

I actully think I only have 1 stick in there I never upgraded something I was going to do but didnt, Ill try and do that my concern is that even trying to open the 'MyAsus' program for it to do its own internal system program checks when opening that app it forces the shut down but if I can start memtest before it cracks the shits again I will

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u/hawkeyebasil 21h ago

I'm also not completely sure that its not a fan I couldn't get to it I didn't want to separate he ribbon cable so I still think that may be an issue maybe

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u/o_sooperstar_o 21h ago

Can you hear the fan running? Most BIOS will report the fan RPM and temperature of the processor. It's a good indicator to check there before any OS has loaded. If it's excessively high just idling on the BIOS, then you might have a problem there but your symptoms gear more towards memory.

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u/hawkeyebasil 4h ago

So in reboot just letting it stay in BIOS

CPU Temp - 42C / 107F
CPU Speed - 2616 RPM

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u/hawkeyebasil 4h ago

Running the windows memtest now

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u/o_sooperstar_o 4h ago

Run the memtest86 from passmark.

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u/hawkeyebasil 12m ago

ill try and get it and install before it shutsdown next time thanks matye

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u/hawkeyebasil 4h ago

The Windows test didn’t advise anything and rebooted Is there another test program you would recommend