Power Shuts off during Gaming -Need Advice

noobtom21 · Mar 12, 2014

My power shut-offs during graphic/CPU-intense gaming; like 2k mods & Real-Enb mod enabled Skyrim, and Guild Wars 2. I've stopped playing games since two random shut offs. Any suggestions?

Friends tell me it's my PSU. I am running a very old RaidMax 730SS PSU (from my old, out-dated PC, still working since 2008). I don't know if it's a continuous PSU. I am on budget ($80-130 range) but your inputs and recommendations would be appreciated. I'm a beginner with little PC knowledge.

Here's my Build:

Intel I-7 Haswell 4770K (Not overclocked)
Asrock Fatil1ty z87 Killer Gaming Motherboard
G Skill DDR3-2133 PC3-17000 4096MB X2 RAM
ASUS GTX 770 Direct-CU2 2GB Video Card
Samsung 840 EVO 250GB SSD
WD Green 3TB Intellipower Hard Drive
CoolMaster N500 ATX Mid Tower PC Case
CoolMaster SickleFlow 120mm Fans (x3)
CoolMaster JetFlo 120mm 4-Pin Case Fan (x1)
Rosewill White LED 120mm Fans (x3)
RaidMax Hybrid 730SS 730Watt Power Supply

If not my PSU, any advise? Thanks for your time.

thx1138v2 · Mar 12, 2014

Things to check other than PSU: all fans running with clean blades to move the air and that inlcudes the PSU fan; enough air flow through the case (one way to check that is to remove the side panel temporarily and see if the temps go down while not under load); blow out all of the dust inside the case and especially from the CPU and GPU heat sinks if there is any.

If everything checks out that pretty much isolates it to the PSU and ageing could be a problem with it. Better to replace it now before you overheat any of the chips and possible damage them.

noobtom21 · Mar 12, 2014

thx1138v2 :

Yes, my fan blades are all clean, including my old power supply fan. My rig is still fairly new (finished building last month after 3 months of saving and income tax return). My CPU temps have never gone pass 61 Celsius and my GPU temps have never gone pass 59 Celsius. I run my stock Intel I-7 fan & heatsink but I run seven 120mm case fans. Air flow is nice and cool. No temperature problems.

I have only gotten two shut offs, but I'm really scared to game now. Invested too much time and money on my new PC. Should I just invest on an expensive PSU, like a Corsair RM-750 PSU that people advise me to buy, or might it be some other problem?

Thanks for your time and response(s).

ko888 · Mar 12, 2014

That RAIDMAX RX-730SS is definitely not Intel Haswell Compatible since it is obviously built on an old obsolete circuit design. A 6 year old PSU with capacitor aging. The PSU could be putting out high levels of ripple that can cause system instability when stressed.

XFX XTR 650W 80 Plus Gold Modular PSU ATX 650 Energy Star Certified Power Supply (P1-650B-BEFX)
http://www.amazon.com/dp/B00I5HF0KU/?tag=pcpapi-20

noobtom21 · Mar 12, 2014

ko888 :

Alright, Thank you for your advice and insight. I'll go check prices on newegg and amazon for the XFX, Corsair, and Seasonic PSU prices. Much appreciated.

thx1138v2 · Mar 12, 2014

noobtom21 :

I did think of one more thing you can check if you have software that shows system voltages like Speedfan. Start up the software and watch the voltages as you start loading it up. There shouldn't be any reason to take it all the way to a shutdown. If you see volatge swings more than 5% the PSU is iffy. If it is more than 10% it's a definite.

zeph_yr · Mar 12, 2014

thx1138v2 :

noobtom21 :

I did think of one more thing you can check if you have software that shows system voltages like Speedfan. Start up the software and watch the voltages as you start loading it up. There shouldn't be any reason to take it all the way to a shutdown. If you see volatge swings more than 5% the PSU is iffy. If it is more than 10% it's a definite.

Should be noted that wild swings on the -12v voltage is normal.

n46krb · Mar 12, 2014

The first thing I would say is its over heating. But you say your temps are decent. If it were shutting down due to temps, I'd say remove the old thermal paste and apply some new. However..that doesn't seem to be the issue.

Definitely try a new PSU or test your current one. This could also be a software related issue. Make sure you have the latest Windows updates and Check your video card for any driver updates. If you can get your hands on some good diagnostics software such as MRI this may help with troubleshooting, especially for your GPU or CPU and board. But it won't help with the PSU.. if this only occurs when gaming than I'm going to stick with either a PSU problem or driver issue if temps are ok.

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