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Computer shuts off randomly - Black screen

1038 Views 4 Replies 3 Participants Last post by EerieEmilia, Jul 30, 2016

EerieEmilia

Discussion Starter · Jul 28, 2016

Our computer has been shutting off ever since we replaced the motherboard and cpu. It wasn't the motherboard, or temperature because we tried replacing the motherboard, and putting in a fan. The computer runs Windows 7, and usually shuts off during a game within 30 minutes of turning on.

Tech Support Guy System Info Utility version 1.0.0.2
OS Version: Microsoft Windows 7 Home Premium, Service Pack 1, 64 bit
Processor: AMD FX(tm)-6300 Six-Core Processor, AMD64 Family 21 Model 2 Stepping 0
Processor Count: 6
RAM: 8173 Mb
Graphics Card: NVIDIA GeForce GT 740, -2048 Mb
Hard Drives: C: Total - 1907626 MB, Free - 1797145 MB;
Motherboard: Gigabyte Technology Co., Ltd., GA-78LMT-USB3 6.0
Antivirus: None

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plodr

· #2 · Jul 28, 2016

usually shuts off during a game

If it only happens during gaming, that would indicate a problem with the GPU.
Either the fan on the GPU is not working sufficiently to cool the graphics card, the driver needs to be updated or the current power supply is not enough for the gaming requirements.

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crjdriver

· #3 · Jul 28, 2016 (Edited)

replaced the motherboard and cpu

Did you clean install windows after the board swap?
Next have you checked your temps and voltages? If not, do so. Since this is a gigabyte board, go to the support page and download easytune. Once you have easytune installed, post the following; cpu temp, system temp, 12V, 5V, and 3,3V values. Do this twice; once under a no load or idle condition and once under 100% load ie while running either prime95 or IBT [both free downloads]
Here is a link to the support page for that board;
http://www.gigabyte.com/products/product-page.aspx?pid=5195#utility

Note there are three different versions of your board so be sure you have selected the correct one.

Post the exact pw supply you are using. Do not post "500W" Post the exact brand and model#

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crjdriver

· #4 · Jul 28, 2016

One other item. Easytune is also an overclocking program so do not make any changes; just read the info from the hardware tab.

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EerieEmilia

Discussion Starter · #5 · Jul 30, 2016

crjdriver said:
One other item. Easytune is also an overclocking program so do not make any changes; just read the info from the hardware tab.

The power supply is a thermaltake tr2 430 W

I'm not sure how to change the voltage values, but it displays the temperature of
System 34/93, CPU 53/127
constantly.

Do i click the voltage buttons on the HW Monitor tab?

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