PC Hardware forum


Computer Randomly Shuts Down after GPU Install

by sirrus3610 / February 16, 2018 3:01 AM PST

I recently put together a new build with the following specs:

Intel S2600CP mb
Xeon E5-2600
EVGA SuperNova 650w
16gb ecc ram
980gb SSD
2 3tb WD Red hdd
Cooler Master Hyper 212
3 case fans

I had been running off of the integrated graphics and decided to upgrade to a dedicated gpu. I purchased the Gigabyte GTX 1050Ti and installed. Works great for what I need. The next morning after the install, my computer had shut down. Now each day the computer shuts down randomly. It is never when I'm using it. Almost always when it is at idle.

I can't imagine it is the PSU. I'm running well below 650w. When I take out the GPU and revert to on board graphics, everything runs fine. The temps on my CPU and GPU are fine when I'm using the computer. Hard to believe that something is overheating while the computer is at idle causing the system to shut down.

Any help would be appreciated.

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Clarification Request
How far below?
by R. Proffitt Forum moderator / February 16, 2018 8:40 AM PST

Typically we want to see it at 50% load max. Otherwise we need to put on the DC Current Loop Meter to see if any rail is over 50% load.

As to heat, all it takes is some senor or chip to think it's too warm. Easy to test for. Remove covers and point a house fan at the box.

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CPU Temps
by sirrus3610 / February 16, 2018 11:34 AM PST
In reply to: How far below?

Currently I'm showing an average of 34 Celsius for all cores. The individual cores are varying from 32 to 37.

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by sirrus3610 / February 16, 2018 11:35 AM PST
In reply to: How far below?

Forgot about the GPU, which is at 27 at the moment, spiked up to 32 at one point.

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The problem with measuring temps is
by R. Proffitt Forum moderator / February 16, 2018 11:51 AM PST
In reply to: Temps

You only get a few of the parts in the system. This is why at the shop we take the temps with some salt then pull the cover off, point the fan at the machine to see if there is some heat issue in play. You may find techs that will exclaim it's not heat because the temp readings are OK. You learn over time that's not enough.

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