Help Appriciated - Optiplex 3060 Micro - Keeps rebooting

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K

kriziw

New Member
Dec 7, 2023
3
0
1
Dear community,

I am really hoping to get some advice on this forum, as my troubleshooting efforts are not leading me to any solution.

Background:
I have recently set up a cluster of 3 Dell Optiplex 3060 micro devices in Proxmox. The cluster ran fine for about 20 days.
They have been working great so far, however, 1 of the devices starting acting weird over the past 3 days.

Issue description:
The node has been randomly rebooting - sometimes after running 1 minute, sometimes after 20.
The operational time is equally between 1-25 minutes.
The rebooting has happened before BIOS, during BIOS config and after loading the OS - so it doesn't seem related to the OS.

Troubleshooting efforts so far:
I have changed the external power brick - no change in behaviour
I have changed the RAM slot - no change in behaviour
I have changed the RAM module - no change in behaviour
I have changed the CMOS battery - no change in behaviour
I have re-pasted the CPU - no change in behaviour
I have run memtest86 via the proxmox boot menu - it didn't finish the test - rebooted during the test
I have run memtest86 via the live USB - it didn't finish the test - rebooted during the test
I have run the Dell SupportAssist function - the test failed 2 times (rebooted during the test) - and finished 1 time successfully (without any errors detected)
I was unable to run the full Diagnostic test built into the Dell BIOS - it rebooted during it

I am unsure what steps I have missed, but would really appreciate some advice, as I am going nuts.

Thanks a lot in advance for any help!
 
N

name stolen

Active Member
Feb 20, 2018
118
35
28
Considering all that you have tried, it might be time to reseat more than RAM, and check for shorts - maybe a screw got wedged somewhere, or a cat hair (or human hair) stuck in a DIMM slot (happened to me recently). RAM, PSU, and flaky mobo are my best guesses from what you've mentioned. Any way to check system temps and voltages while it IS running? If all systems are identical (or at least same base model), are all BIOSes at the same version?
 
K

kriziw

New Member
Dec 7, 2023
3
0
1
name stolen said:
Considering all that you have tried, it might be time to reseat more than RAM, and check for shorts - maybe a screw got wedged somewhere, or a cat hair (or human hair) stuck in a DIMM slot (happened to me recently). RAM, PSU, and flaky mobo are my best guesses from what you've mentioned. Any way to check system temps and voltages while it IS running? If all systems are identical (or at least same base model), are all BIOSes at the same version?
Click to expand...
Hey,
First of all, apologies for the late reply!
I did clean the RAM slots, checked for obvious foreign item, unfortunately it looks exactly how it should. I am really at the point where I suspect that a capacitor (or more) are defunct, resulting in a faulty mainboard. I have enquired regarding mainboard repairs, where I live they cost more than a donor unit, so it seems that only after 21 days of operation I need to replace the mainboard on one of my units. Anyway, thanks for your ideas, really appriciated!
 
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