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TTX3 sudden shutdown after a while, even in BIOS.

Rafo

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Jan 22, 2018
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Lyon, France
I have recently aquired a TTX3 Multi System.

From cold boot, after a while (hard to tell how long as it varies : the shortest was 10 minutes, the longest about half an hour), whether I'm playing a game or just letting the Attract Mode run on its own, the system suddenly shuts down, then restarts automatically, then shuts down again very quickly. I have to let it rest for a while before making it run again for a longer time.

First I thought it was because or heat, but the HW monitor in BIOS tells me the CPU is barely over 50°C and the "System" is about 35°C so I don't think it comes from here.
Inside of the unit is very clean, the previous owner tool very good care of it.

Anyway, I disabled the FAN monitoring, 'cos the "Target temperature" for CPU was pretty low (choices are DISABLED, 40°C and 45°C, 45 being the default setting) and first I thought it was because the fan was trying to cool it down to less than 45°C.
After disabling FAN monitoring I believed it was better but in fact it only lasted longer but I think it's just a coincidence.

Anyway I'm trying to figure out what is happening, why is the system suddenly and brutally shutting down (after 2 ou 3 shutdowns one after another, it switches to Windows check & repair procedure, that's why I can tell it's not a clean shutdown).

I also thought about instability from the PSU but in the HW monitoring section I could check the voltages and they look really stable to me.

Is there any other thing I should check on the system ? Any program I could use that could reveal a failure somewhere ?
I checked in the Windows Event Viewer to try and get data from any (critical ?) error, but to no avail.

I repeat, this happens even in the BIOS, so it cannot be a software/HDD issue.

Any advice is welcome and I'm ready to provide with any additional required information to pinpoint the source of these shutdowns.

Do you have any ideas ?
 
Even though your temps are good, replace the thermal paste.

Have also had funny things happen with bad memory sticks, so if you have some spare RAM swap it out.
 
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