My PC i just built reboots randomly at different points in a game!

JONATHON_5 · Apr 15, 2016

My PC specs

450 watt psu
athlon x4 860k base clock
ram 8gb g skill base clock 1600 ghz
amd r9 270 msi 2gb OC edition
(i had a amd hd 6450 in it and it did not randomly reboot until I put the r9 270 in.)
i am powering it by two molex to 6pin. does not reboot until i play a game. it happened on borderlands 2 and black ops 3. any game i played it did it with except black ops 2(which was wierd because i had it on max settings.) Any advice would be great. i have no money to spend. and on PC part picker all my parts use around 339 watts and i have 450watts. HELP!

1LiquidPC · Apr 15, 2016

Sounds like a PSU issue to me. What PSU make/model are you using? Your new card uses about 3x the power as the 6450 consumed. Also, you can't go by the rated wattage on cheaper PSUs, they often exaggerate considerably. Again, we need to know the model.

xXCrossfireXx · Apr 15, 2016

JONATHON_5 :

PSU issue confirmed.

Now what PSU are you using?

JONATHON_5 · Apr 16, 2016

It's an Apevia 450 watt BLK power supply

http://www.amazon.com/Apevia-ATX-XG450W-450W-Power-Supply/dp/B00YNXJMI6

Also my CPU is running around 66 degrees C in BIOS. Is that normal?

1LiquidPC · Apr 16, 2016

For temps, I would check using AMD overdrive sodtware and Thermal Margin. These APU's temp readings don't read correctly in other software. I'd compare this to your BIOS reading as I worked on an APU based system in the last year or so that had a high reading in BIOS as well if I recall. Regarding your PSU, it's a very low quality unit(Tier 5 from this site). It's highly likely its causing your reboots based on this.

Zerk2012 · Apr 16, 2016

You added 120 Watts to the power draw of the PC and your power supply can't push it. Replace the power supply with more watts and please get better quality.
http://www.newegg.com/Product/Product.aspx?Item=N82E16817148051
+3.3V@17A, +5V@25A, +12V1@14A, +12V2@14A, -12V@1.0A, -5V@0.5A, +5VSB@3.0A
You only have 336 Watts on the 12 volt rail and with the low quality of that power supply I would not think it can even put that out. Your either going to damage your PC, pop that power supply, or worst case burn your house down.

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My PC i just built reboots randomly at different points in a game!

JONATHON_5

Commendable

Zerk2012

1LiquidPC

Splendid

xXCrossfireXx

Reputable

JONATHON_5

Commendable

1LiquidPC

Splendid

Zerk2012

Titan

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