1050W seasonic GOLD PSU problem.

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sarthak_agarwal93

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hey people...
i braught the power supply u (forum discussions) told me to buy.. (seasonic 1050W gold)
but, im having problems.. i have connected it correctly.
when i try to turn on my system, it does not turn on. i switch the button on the back of the psu many times.. but still nothing. finally, i have to turn off the power from the mains and then after 2 mins i turn it back on.. then everything works fine.
after i shutdown my pc, when i try to turn it back on, the same thing over and over again...
It happens even when i try turning it back on after 2 minz or 2 hours of shuttingdown.
please help!!

Thanks in advance..

see the previous forum if it helps.. http://www.tomshardware.com/answers/id-2211388/sapphire-280x-toxic-power-supply-problem.html

P.C. SPECS IF REQUIRED... I UPGRADED THE PSU FOR UPGRADING TO R9 280X OR 290TOXIC in a few months.

Processor - AMD FX6100
GPU - MSI RADEON HD 6770
RAM - 2x4gb evm & 1x8gb Corsair Vengence
Motherboard - Asus M5A97
HDD - 1x1TB & 1x2TB & (1x111GB laptop hdd) all WD
optical drive - samsung
Fans - 1x 140mm & 8 x 120mm LED
Cabinet - Cooler Master Storm Trooper.
 
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emdea22

emdea22

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That psu is overkill for your system even with a 290toxic. A 600w seasonic would have been enough. My guess is your motherboard is causing problems and the PSU is detecting a short or something and it turns on its protection. When you first turn on the PSU wait a minute before turning on the PC.
 
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sarthak_agarwal93

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"overkill" ??? but it will work.. right?? i braught that one cause im looking for upgrades in the future.

so, how do i detect the short?

see.. usually.. i turn off my pc and jus leave it. i dont turn off the psu, or the mains. when i used to turn it back on, it used to turn on easily.
 
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sarthak_agarwal93

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Guys!!!!
I NEED HELP!!
i gave the psu to the retailer and he gave it to seasonic. they replaced that one and gave me a new one.
the new one was working perfectly fine for about 2 months.
now, again that same problem has started. except, this time i dont have to turn off the mains. switching the switch at the back of the psu many times turns my pc on. ( 90% of the time)

( I forgot to mention earlier : when i switch of the psu 4-5 times, nothing happens. even the power button does not work. then when i keep on doing it, the system directly starts up by the switch on the psu.. even without presing the power button) still happens.

Please help me guys. it took almost 45 - 50 days for getting it replaced.
I have been using VIP 600w psu before using this one. it did not give me any problems, not even ONCE!!

Thanks in advance guys.
 
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synphul

synphul

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That sounds almost like a motherboard issue. The front power buttons are only able to turn on the pc through the motherboard (via the front header connections on the mobo). All the psu does is supplies power to the components, it's not responsible for powering on the system. That happens from the front power switch and involves the motherboard passing power from the psu to everything on the board including bios etc.

The other thing I might suspect being faulty is the power switch on the case itself. If it's stuck or not operating properly, making solid on/off connections or somehow becoming jammed in an 'on' position making contact between the psu and motherboard. A bad switch would have similar effects.
 
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sarthak_agarwal93

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Synphul.. I agree.. but none of these problems occur when I connect my VIP 600w psu. It does not have any switch at the back.
I dont think the same problem occuring twice with the switch of the seasonic psu can be a coincidence.

Talking about the power switch, its perfectly fine. It does not get stuck in the on position. The cabinet is cooler master storm trooper.

Is there any minimum required power for the seasonic psu? (Cause my system takes around 450w. And the new psu is 1050w. I took this one for future upgrades).

Should I get the motherboard cheked?

Thanks.
 
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sarthak_agarwal93

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Ghislaing..
Please read my system specs for total power consumption.
The price difference was only 2000 INR between 850w and 1050w. Hence, I braught this.
Upgrades like r9 290x toxic.

Also, thats not my main problem.
 
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GhislainG

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There's a huge difference between maximum and POST. At POST your components are not working very hard and the total power draw should not exceed 100W. emdea22 is absolutely correct when he says a 600W PSU would be enough for your planned upgrade and I'll add that a 400W PSU is more than you need for your current system. If you read reviews about that PSU on Newegg you'll realize you're not not only one running into that issue; your only option is to RMA it. When you get the replacement you could install 2 high-end GPUs and a more powerful AMD processor to make it work a bit.
 
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synphul

synphul

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Seasonic makes good quality units for the most part but that's not to say they never have a faulty product come off the line. Every brand does at one point or another. It could very well be some fault in the psu or the rear psu switch (inside the psu itself) and require an rma.
 
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emdea22

emdea22

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There something wrong with your system. I bet if i were to connect your Seasonic to my main pc everything would be fine.

Something makes the PSU turn on its protection and your VIP600 probably lacks any type of protection and thats why it works fine.
I've seen this before - a fan stopped working and its causing the system not to boot because its triggering the SSCP of the psu while it works fine on a no-name psu because it simply doesn't care a certain fan doesn;t spin and its essentially short circuited.

Check fans first! - remove all when booting - even cpu one
Unplug all case connectors to the mobo and try turning it on using a screwdriver.
unplug additional cards and hdds/optical drives - maybe one of them is causing a short
if all else fails its an incompatibility with your motherboard and psu -> you MIGHT solve it by adding more load on the psu -> extra fans, another gpu etc
 
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junkeymonkey

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''The other thing I might suspect being faulty is the power switch on the case itself. If it's stuck or not operating properly, making solid on/off connections or somehow becoming jammed in an 'on' position making contact between the psu and motherboard. A bad switch would have similar effects. ''

I seen this here bad switch also I goofed the switch pin header on the board and caused this .. mybe on wrong pins or got +/- turned around ????

hard to think you got 2 bad units in a row like that unless he did not send it in and just handed you back the one you had at first???
 
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junkeymonkey

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''A switch doesn't have polarity''

sorry I meant it as be sure a headers in general is not wrong and shorting to cause a shutdown

my seasonic x unit don't have that kind of switch on it its just got the plain old on/off that something new on them over how mine was built ??
 
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sarthak_agarwal93

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Found the probable solution... That psu was an overkill for those components. That wattage of psu needs components to draw a good amount of power to startup.
I changed my psu to a 600W and it has been almost 4 years. everything seems to work fine now.

Anyway, Thanks for all the help and troubleshooting..
 
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GhislainG

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Based on this comment in one of your replies "The price difference was only 2000 INR between 850w and 1050w. Hence, I braught this." A member may have recommended a Seasonic PSU, but I doubt a 1050W PSU was suggested for that system simply because it would operate outside of its maximum efficiency most of the time.
 
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turkey3_scratch

turkey3_scratch

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This thread is 4 years old, but you are incorrect. A PSU being "overkill" has nothing to do with a computer no starting up properly. And I am not saying I think this, I know this.
 
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