Psu, Gpu or Mobo? System shutdowns in games

Apr 14, 2018
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Hi Guys.
I really need help with a problem.
I've recently upgraded I5 2500k + mobo + ram to I7 8700K + Gigabyte 370 AORUS Gaming + 16 Gb DDR4. With those i use my old gainward gtx970 and my 5years PSU Chieftec750 (has bronze cert)
What is sad now sometimes while gaming (Planet Coaster, Final Fantasy XV) computer just restarts :( On older rig never had such problem
What i did to investigate
1) extensive test through memtest 86+ -> this shows no errors after 2h of testing RAM
2) i switched of power plan in windows to high performance -> now it cannot even load simple game like Endless Space2 but crash immediately on load (turn off computer), when go back to balanced is like before
Will be grateful for any help
In windows event viewer there are just 41 Kernel Power Errors
 
Solution
Definitely sounds like PSU. What are your temps?

Brand is very poor and the model sounds like a hazard. Switch it out asap.

You definitely need an upgrade in that compartment, never cheap on PSU's:
PCPartPicker part list: https://pcpartpicker.com/list/Bgq4BP
Price breakdown by merchant: https://pcpartpicker.com/list/Bgq4BP/by_merchant/

Power Supply: EVGA - SuperNOVA G3 650W 80+ Gold Certified Fully-Modular ATX Power Supply ($89.89 @ OutletPC)
Total: $89.89
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2018-04-14 22:02 EDT-0400

Apr 14, 2018
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Did this, i think i can help me with other problem when my wifi card often drops connections (its much worse that on previous windows installation) Unfortunately computer still reboots in FF XV :( (for example in very moment i try do fire spell in tutorial)
 
Definitely sounds like PSU. What are your temps?

Brand is very poor and the model sounds like a hazard. Switch it out asap.

You definitely need an upgrade in that compartment, never cheap on PSU's:
PCPartPicker part list: https://pcpartpicker.com/list/Bgq4BP
Price breakdown by merchant: https://pcpartpicker.com/list/Bgq4BP/by_merchant/

Power Supply: EVGA - SuperNOVA G3 650W 80+ Gold Certified Fully-Modular ATX Power Supply ($89.89 @ OutletPC)
Total: $89.89
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2018-04-14 22:02 EDT-0400

 
Solution
Apr 14, 2018
6
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Additionally i tested it 1h with PRIME95 -> no problem at all, looks like it can be PSU (at least some problem with GPU under high power load), strange that it happened now after replacing mobo + cpu + ram
Model i'm considering to buy is this one: https://www.amazon.de/dp/B078X22YBR/ref=sspa_dk_detail_0?psc=1
I think it can be good choice
Additional Info in affected game when monitoring gpu has 79 celsius degrees, seems pretty a lot
 


That temp is relatively warm but okay.

PSU is good choice, but be quiet do have some bad models.

Try this:
PCPartPicker part list: https://de.pcpartpicker.com/list/hPPFNN
Price breakdown by merchant: https://de.pcpartpicker.com/list/hPPFNN/by_merchant/

Power Supply: SeaSonic - FOCUS Plus Gold 750W 80+ Gold Certified Fully-Modular ATX Power Supply (€100.88 @ Amazon Deutschland)
Total: €100.88
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2018-04-15 13:10 CEST+0200

Seasonic is solid.
 


That is a good one. Pick it up if you can.
 
Apr 14, 2018
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Bought exactly this seasonic ;) Today came from amazon, i've installed, and works rock solid i tested it in scenario when it always crashed and what to say does not do it anymore ... I will test it few days more and if it will be ok then yeah, will mean that old psu went apparenty slow death road (which caused aforementioned problems)
 
Apr 14, 2018
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After more testing with new psu i can confirm problem is solved :) Problem was with old PSU, somehow i'm suprised that it started to fail with new cpu, mobo ram while theoretically i7 8700k should not demand so much power than i5 2500k. Props go to ArchitSahu