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HELP!! PC keep shutting of once ANY game is started

Cooler Master 120 Advanced (Case)
Asus P8Z77-I Deluxe (Mini ITX)
i5 3570k
128GB Crucial M4 SSD
8GB G.Skill DDR3 2400
Coolmax ZU 600 Watt 80-Bronze Cert. Modular PSU (Single Rail)
MSI 660ti Power Edition OC (Twin Frozr)

2 120mm PWM (intake) and 1 80mm(exhaust) PWM

I have all 4 fans (3 above plus the fan on the CPU heatsink) plugged in via 2 Y-Adapters (MOBO only has a 4 pin for CPU Fan and Chassis)

I was able to play Max Payne 3 and beat it with no issues.

Now for some reason when I play Sleeping Dogs or Batman AC I can get about 2-3 minutes into the game and my PC power cycles.

600watts should be plenty with this setup and heat isnt an issue as nothing is going above 70C and barely pass 60C when gaming.

I do not have any components overclocked except the stock OC on the GPU.

The only thing Ive noticed is the +5V is high. At idle is sits a 5.320 and when I start a game it goes to above 5.7

Maybe I have a bad PSU???

Im stumped. Any help or suggestions would most appreciated. Ive had all the components for less than 30 days do I could RMA.

Thanks in advance!!
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  1. Best answer
    Sounds like when your GPU ramps up and demands more power when you're playing Batman AC/ SD - your power supply hits a some kind of protection which restarts your comp.

    Coolmax isn't a brand I or a lot of people around here trust anyhow so I would recommend you replace it with a unit from either Seasonic, Corsair, Antec, XFX, etc which are well reviewed by sites such as jonnyguru and is verified to be high quality and efficient.

    (In fact; i couldn't even find one review of your power supply)
  2. lilotimz said:
    Sounds like when your GPU ramps up and demands more power when you're playing Batman AC/ SD - your power supply hits a some kind of protection which restarts your comp.

    Coolmax isn't a brand I or a lot of people around here trust anyhow so I would recommend you replace it with a unit from either Seasonic, Corsair, Antec, XFX, etc which are well reviewed by sites such as jonnyguru and is verified to be high quality and efficient.

    (In fact; i couldn't even find one review of your power supply)



    Wow! thanks for the fast response.

    Here is the PSU

    http://www.newegg.com/Product/Product.aspx?Item=N82E16817159128

    The reviews on the product page seemed good.

    Could the 5v at 5.7 be the issue? Maybe the PSU is shutting down because the 5v is too high?

    Is having 4 fans plugged into 2 4-pin slots a bad thing? Could this be causing the high 5v?
  3. I'm talking about reputable reviews from websites like jonnyguru which has all these load testers which tests if power supplies can continuously stay to their specs under load. They also usually tear open the PSU to look at the innards and see what components they use and if they're high quality / suitable for the ratings.

    The fact that there isn't one reputable review from a third party on this power supply is a worrying sign.

    Here's some alternative...

    Antec Neo Eco 620C
    http://www.newegg.com/Product/Product.aspx?Item=N82E16817371031&Tpk=neo%20eco%20620c

    Seasonic S12II 520
    http://www.newegg.com/Product/Product.aspx?Item=N82E16817151094&Tpk=s12II%20520

    Corsair TX650V2
    http://www.newegg.com/Product/Product.aspx?Item=N82E16817139020

    Also Fry's has an Antec EA650 on sale for $44 after MIR
    http://www.frys.com/product/6704235;jsessionid=ccpOeCiUdfQW9zQSh6RrOA__.node3?site=sr:SEARCH:MAIN_RSLT_PG
  4. FSU_Fletch said:
    Wow! thanks for the fast response.

    Here is the PSU

    http://www.newegg.com/Product/Product.aspx?Item=N82E16817159128

    The reviews on the product page seemed good.

    Could the 5v at 5.7 be the issue? Maybe the PSU is shutting down because the 5v is too high?

    Is having 4 fans plugged into 2 4-pin slots a bad thing? Could this be causing the high 5v?

    The ATX 12V voltage tolerance for the +5V rail is 4.750V to 5.250V; if your PSU's 5V rail is hitting 5.7 then it is likely shutting down to protect your PC. What are you using to monitor/read the voltages? BIOS or a program that is provided by the mobo mfr?
  5. BIOS at startup is 5.4

    Software from ASUS (AI Suite) is at 5.320-5.360 at idle. As soon I start TV, Movies it jumps to 5.5-5.6. When a game starts it goes to 5.6-5.7

    I changed my BIOS settings to "ASUS Optimal" and disabled OVP.

    I played Batman AC for 2 hours last night without a hitch.

    Maybe it was a setting in my BIOS?

    The only thing I'm doing out of the ordinary is I have 2 120mm fans plugged into the 4 pin chassis via a Y-Adapter, and an 80mm and the CPU fan plugged into the 4 pin cpu fan on the MOBO. Could having 4 fans when the MOBO only supports 2 be causing the 5v to be out of spec?
  6. More load (i.e. fans) wouldn't cause the voltage to rise; that would cause the voltage to lower. It appears that your PC is shutting itself down to protect components from high voltages on the 5V rail. I would enable OVP and replace that POS...I mean PSU.
  7. Rugger said:
    More load (i.e. fans) wouldn't cause the voltage to rise; that would cause the voltage to lower. It appears that your PC is shutting itself down to protect components from high voltages on the 5V rail. I would enable OVP and replace that POS...I mean PSU.


    Ha Ha. I like it!!

    I did an RMA w/ the egg company last night. I love that egg but I do hate that I have to pay $15 for return shipping.
  8. Ouch! Sometimes you can get them to foot the bill for the shipping. I would have returned it and bought a better PSU....maybe you can convince them to help with that. The Antec Neo Eco 520 is a great deal for $45 after instant discount: http://www.newegg.com/Product/Product.aspx?Item=N82E16817371030&Tpk=neo%20eco%20520
  9. Best answer selected by FSU_Fletch.
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