bigben49
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I've got a new 750GT Supernova and the power shuts down after around 30seconds. It doesn't seem to have a voltage switch on it (or am I missing something?) so I don't think that's the problem.
Has anyone else had this issue? Is there any additional information that I can provide that might make what's going on more "diagnosable" (sic)?
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Sajin
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Re: Evga 750GT SuperNova 750W Gold / Turns off after short while
2022/07/12 14:21:17
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Sounds like it may be shutting down to protect your hardware/itself. Could also be an overheating issue with the unit. Is the fan spinning on it? What are your full system specs?
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bigben49
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Re: Evga 750GT SuperNova 750W Gold / Turns off after short while
2022/07/12 14:49:42
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Hi Sajin - Case fan isn't spinning, but CPU Fan and GPU Fans are spinning.
Here's the full system specs:
CPU: AMD RYZEN 5 5600X WRAITHS;
Motherboard: MSI MPG B550 GAM EDGE WF ATX;
RAM: CORSAIR 16GB 2X8D4 3200C16RGB;
GPU: MSI RTX3070 VENTUS 3X OC LH;
MEMORY: SAMSUNG E 2TB 970EVO+NVME M.2 SSD;
PSU: EVGA 750GT 80+G FM ATX PSU;
Monitor: ASUS 27" IPS VG279Q1A MONIT/G;
Case: LIANLI LANCOOL II MESH C MT;
Thanks!
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Sajin
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Re: Evga 750GT SuperNova 750W Gold / Turns off after short while
2022/07/12 14:55:09
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If the fan inside the psu case itself never spins then I would suspect a overheating issue. If the fan inside the psu case does spin then I would suggest removing your gpu from the system, and turing on the computer to see if the system will stay running for longer than 30 seconds.
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bigben49
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Re: Evga 750GT SuperNova 750W Gold / Turns off after short while
2022/07/12 15:04:28
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Thank you for your help and I apologize for my lack of knowledge with this type of stuff but it seems like the pc might be overheating the pcu fan turns on for a second then turns off do you have any suggestions for fixing this issue.
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Sajin
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Re: Evga 750GT SuperNova 750W Gold / Turns off after short while
2022/07/12 15:23:13
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Try running the system with your gpu removed for like 30 minutes to see if the fan ever turns on.
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bigben49
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Re: Evga 750GT SuperNova 750W Gold / Turns off after short while
2022/07/12 16:27:33
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Tried running the system with the GPU removed. No change - stayed on for a short time (somewhere between 30-60seconds) and turned off.
p/s - all the questions (and some of the writing here) is coming from my 13 year-old son (he's the one who built the PC). We both really appreciate your help.
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EVGA_Lee
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Re: Evga 750GT SuperNova 750W Gold / Turns off after short while
2022/07/12 16:46:52
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☼ Best Answerby bigben49 2022/07/12 17:13:34
Try going into the hardware monitor section of your motherboard BIOS (typically you need to tap Delete when it's booting up). From there, look for the CPU temps and power supply voltages (+12V, +3.3V, and +5V).
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Sajin
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Re: Evga 750GT SuperNova 750W Gold / Turns off after short while
2022/07/12 16:48:04
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https://www.evga.com/support/faq/FAQdetails.aspx?faqid=59582Completely disconnect the psu from your hardware, and then test it like shown above in the article. To monitor if the psu is staying on while you’re testing it simply power a single case fan to see if the psu is staying on. If the unit fails to keep the case fan on for 3 minutes without shutting down then I would rma the unit as there is clearly something wrong with it.
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bigben49
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Re: Evga 750GT SuperNova 750W Gold / Turns off after short while
2022/07/12 17:13:09
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I've completely disconnected the PSU from the hardware. I followed the instructions, and while I have the EVGA detection tool, I don't see a 24-pin connector anywhere on the PSU so I couldn't complete the instructions.
This is what my PSU looks like:
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Sajin
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Re: Evga 750GT SuperNova 750W Gold / Turns off after short while
2022/07/12 17:25:28
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Without a 24-pin cable you wouldn’t even be able to start your computer. The 24-pin cable needs to still be connected to your psu, but not connected to the motherboard.
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bigben49
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Re: Evga 750GT SuperNova 750W Gold / Turns off after short while
2022/07/13 06:56:47
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Ok - I have the 24-pin cable. We followed the instructions and plugged-in the PSU. The fan spins for a moment, then stops. According to the instructions on that test page, it seems that it might be time for us to submit a support ticket.
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EVGA_Lee
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Re: Evga 750GT SuperNova 750W Gold / Turns off after short while
2022/07/13 09:05:48
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bigben49
Ok - I have the 24-pin cable. We followed the instructions and plugged-in the PSU. The fan spins for a moment, then stops. According to the instructions on that test page, it seems that it might be time for us to submit a support ticket.
The GT power supplies have auto-ECO mode, so it would be normal for the fan to turn off shortly after turning on the power supply. I recommend connecting something like a case fan to the power supply to see if it remains on after using the PSU tester to jump the power supply.
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Sajin
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Re: Evga 750GT SuperNova 750W Gold / Turns off after short while
2022/07/13 11:31:50
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EVGATech_LeeM
bigben49
Ok - I have the 24-pin cable. We followed the instructions and plugged-in the PSU. The fan spins for a moment, then stops. According to the instructions on that test page, it seems that it might be time for us to submit a support ticket.
The GT power supplies have auto-ECO mode, so it would be normal for the fan to turn off shortly after turning on the power supply.
I recommend connecting something like a case fan to the power supply to see if it remains on after using the PSU tester to jump the power supply.
Exactly. That is what I said in post #9.
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