PSU is shutting down under load

[Saptarshi Mondal]

I bought a Corsair VS550 Power Supply Unit on 1st Oct,2014. It provided me excellent service until 12th Jan, 2015. That day my PC shut down like the power cable just got pulled out, then the PC automatically kept trying to restart several times without even going to the BIOS screen. Next day I tried to start the PC again and surprisingly it started up normally, but about 20-30 min. later the same incident happened again. I had no problem with my other computer accessories or with the voltage source because, I connected my old PSU and it was working fine.
I informed corsair customer service about that problem and they suggest me to submit the PSU to their service center for RMA. I did submit that as they said and get the exchanged copy of that PSU 1 week later.
But from few days now I am having the same problem again. But this time I notice that the PSU is shutting down specificly under load (like playing a game). I have checked my PC's power consumption on various sites, and according to those, a 450W PSU is just fine for me. I have checked my wall port by a electrical technician, and it is fine to. So, I want to know what is wrong with this product ?

Here is my computer's specs below:
CPU: Intel Core i5-3330
MB: Intel DZ75ML-45K
GPU: Asus GTX 660 OC Edition
RAM : 4 X 4GB Corsair Vengeance
Storage: 2 X Seagate Baracuda HDD (7200RPM), 1 Samsung 850 EVO SSD
Case: Corsair Carbide 500R (2 + 1 120mm fan)

Please tell me what should I do?

 

[RaDiKaL_]

Doesn't seem to be a power issue to me, more like an overheating issue, stressful programs like games push your system into overheating, the pc shuts down itself for protection and won't boot until temps drop to an acceptable point.

Monitor your CPU and GPU temps, you can use HWMonitor Pro for both or GPU-Z for your video card and Coretemp / Realtemp for your CPU, make sure to enable the log feature so you can review the results after it shuts down.

Once/if an overheating is confirmed, clean all dust inside your case specially in your CPU and GPU fans, it might be also time to replace thermal paste in your CPU/GPU.

 

[tiny voices]

Sounds EXACTLY like PSU issues. That is not a quality PSU so I'm not surprised you are having issues.

 

[skitszo]

Test your hard drive
http://www.hdsentinel.com/

Test your memory
http://memtest86.com/
http://forum.canardpc.com/threads/39168-Windows-HOWTO-Boot-Memtest-on-USB-Drive

take the GPU out and see if it will boot up with the cpu apu video

virus scan your hard drive using another rig if you can't boot up with it.

then think of doing a fresh windows install and if that doesn't help then you start thinking motherboard

 

[tiny voices]

Really, it is most likely the PSU. You need to get a quality unit in there before you do ANYTHING else or else you won't know what is fixing things and what is not.

 

[skitszo]

ya.. i'm assuming the psu is good...

 

[tiny voices]

But it most likely is not. Before he does anything in your post, he NEEDS to replace the PSU with a proper one.

 

[skitszo]

http://www.tomshardware.com/forum/id-2547993/psu-tier-list.html

 

[tiny voices]

He needs a unit from tier 1 or 2.

 

[Saptarshi Mondal]

Doesn't seem to be a power issue to me, more like an overheating issue, stressful programs like games push your system into overheating, the pc shuts down itself for protection and won't boot until temps drop to an acceptable point.

Monitor your CPU and GPU temps, you can use HWMonitor Pro for both or GPU-Z for your video card and Coretemp / Realtemp for your CPU, make sure to enable the log feature so you can review the results after it shuts down.

Once/if an overheating is confirmed, clean all dust inside your case specially in your CPU and GPU fans, it might be also time to replace thermal paste in your CPU/GPU.

I have checked my temps but it rarely goes above 60C even under load....

 

[Saptarshi Mondal]

Doesn't seem to be a power issue to me, more like an overheating issue, stressful programs like games push your system into overheating, the pc shuts down itself for protection and won't boot until temps drop to an acceptable point.

Monitor your CPU and GPU temps, you can use HWMonitor Pro for both or GPU-Z for your video card and Coretemp / Realtemp for your CPU, make sure to enable the log feature so you can review the results after it shuts down.

Once/if an overheating is confirmed, clean all dust inside your case specially in your CPU and GPU fans, it might be also time to replace thermal paste in your CPU/GPU.

I have checked my temps but it rarely goes above 60C even under load....

 

[Saptarshi Mondal]

He needs a unit from tier 1 or 2.

I have seen the list of tier 1 & 2.. but can you suggest me little bit of cheaper solution... because my max budget is around Rs.5000-5500 ($80 to $85 including tax)..
and by the way, will corsair exchange this PSU as well??.. because it is in warranty period also...

 

[tiny voices]

Nope, you do not want that Corsair PSU. It is bad quality and likely the cause of your issues. You need to get a different unit. The PSU is the single most important part of the PC and you NEED to get a quality one.

Link me to a site you can buy from and I will select the one you should buy.

 

[Saptarshi Mondal]

Nope, you do not want that Corsair PSU. It is bad quality and likely the cause of your issues. You need to get a different unit. The PSU is the single most important part of the PC and you NEED to get a quality one.

Link me to a site you can buy from and I will select the one you should buy.

Here are some site as you ask..:
www.flipkart.com
www.snapdeal.com
www.amazon.in
www.ebay.in
www.mdcomputers.in

you can also tell me some PSU's that are not on those sites...
please, make sure that my budget is around Rs.5000 to Rs.5500...
by the way, is Corsair CX550 is OK for me?

 

[tiny voices]

Nope, the CX is not a good PSU. Built with poor quality parts.

http://www.flipkart.com/seasonic-s12ii-520-watts-psu/p/itmd5xz5hzvzt9cx?pid=PSUD5XZ4KFH65H9E&ref=L%3A8568606875952890136&srno=p_1&query=seasonic&otracker=from-search

This would be a good idea for a quality PSU for your system.

 

[Saptarshi Mondal]

Nope, the CX is not a good PSU. Built with poor quality parts.

http://www.flipkart.com/seasonic-s12ii-520-watts-psu/p/itmd5xz5hzvzt9cx?pid=PSUD5XZ4KFH65H9E&ref=L%3A8568606875952890136&srno=p_1&query=seasonic&otracker=from-search

This would be a good idea for a quality PSU for your system.

Thank you for this... But are you sure Antec is a good company to trust?? I mean it has only 2 years of warranty.. and what about it's 550W version??
And one more question ... Is Corsair RM550 is good?? It is pricey, but if I wait few months, I may save enough money to buy that...

 

[tiny voices]

I changed the link to a Seasonic. The Antec was good but this Seaosnic is great. Both MUCH better than the Corsair.

NO, the RM units are not good. DO NOT buy one.

http://www.flipkart.com/seasonic-s12ii-520-watts-psu/p/itmd5xz5hzvzt9cx?pid=PSUD5XZ4KFH65H9E&ref=L%3A8568606875952890136&srno=p_1&query=seasonic&otracker=from-search buy this. This is the best choice for you.

 

[Saptarshi Mondal]

I changed the link to a Seasonic. The Antec was good but this Seaosnic is great. Both MUCH better than the Corsair.

NO, the RM units are not good. DO NOT buy one.

http://www.flipkart.com/seasonic-s12ii-520-watts-psu/p/itmd5xz5hzvzt9cx?pid=PSUD5XZ4KFH65H9E&ref=L%3A8568606875952890136&srno=p_1&query=seasonic&otracker=from-search buy this. This is the best choice for you.

OK.. Thank you very much..

 

[skitszo]

Seasonic S12II = looks to be tier one.

 

[tiny voices]

Glad to be able to help!