Solved Display randomly turns off, CPU fan sometimes wont spin at startup.

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Athenallus

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Apr 16, 2021
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I´ve been fighting this issue for a while now, sometimes when i am gaming on my computer the screen suddenly goes off but the computer is still on. It has happend when im using 3D programs (maya, substance, unity, etc..) but not as frequent. Whenever it does this ill force a shutdown and when i try to re-start it my cpu fan doesnt spin. I can usually get it to spin and subsequently work after a few re-starts.

I have:
Updated the BIOS to the most current version
Ran a sfc /scannow for corrupted files
Scaned for virus with 2 different Antivirus
Checked the CPU fan header while its having the issue, non of my motherboards fan headers help
No cables are getting stucked on my CPU fan
Used an online Power Supply Calculator and acording to it i only need a 418-500W PSU. Mine is 500W
My HDMI cable from my Computer to my monitor is working properly.
While runing Cinebech my cpu gets to the 95C range and as soon as I stop the benchmark it goes back to the 70 C in a couple of sec and it didnt crash.
Ran a 17min FurMark and my gpu never stayed at 77C and my system didnt crash.

Dont know what else i could try, i want to upgrade my computer soon but i wish i could stomp out this issue before that.

My specs (if usefull):
Intel core i5-5460
Gigabyte G1.Sniper B6 Motherboard
1 x 8 GB ram DDR4
Radeon R9 200
1 x HDD 7.2k RPM
Standar Intel CPU fan and 1 case fan
500w EVGA PSU
 

veeg

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Jul 21, 2016
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Hello

Give us the complete psu spec's..( rating ..bronze/gold etc. model number)
 

Athenallus

PCHF Member
PCHF Member
Apr 16, 2021
10
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Hi

its an EVGA 500w 80Plus
Ac input 100-240V ac 50-60Hz
Output Power, Pcont: [email protected]+40C
 

Athenallus

PCHF Member
PCHF Member
Apr 16, 2021
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Dont know how to check model number :/
 

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Athenallus

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Apr 16, 2021
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Well acording to that page i only need a 375w one :/

Am i doing it wrong?
 

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Athenallus

PCHF Member
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Apr 16, 2021
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Even if i have a 125w cushion and it still has a 80plus efficiency? It never used to do this and i havent changed any of my equipment for a more energy demanding part. I ran FurMark for 17min and a full cycle of Cinebench and it didnt overload my psu.
 

Athenallus

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Apr 16, 2021
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Its a Radeon R9 270 2G GDDR5 PCI-E DVI-I/DVI-D/HDMI/DP DUAL-X OC WITH BOOST hope it helps

It jumps to 450w in the PSU calculator
 

phillpower2

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Sep 9, 2016
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Your GPU may just be showing its age but veeg was spot on when he advised that your PSU was not adequate, being an older card you would be ok with a Bronze efficiency rated PSU but the one that you have is not even that, 80+ or as they are called nowadays White efficiency rated PSUs are not made/intended to be used to support add on GPUs only integrated graphics, they are made with thinner wire and weaker capacitors to keep costs down and should you try and power a GPU using one it will over time damage the GPU and other hardware and at some point go out with a bang.

Regarding online PSU calculators, it is the GPU manufacturer that you should take notice of because if your card happened to be new and you went with what an online PSU calculator told you and the card died as result of it who would you be trying to claim any warranty off, the online PSU calculator is not liable and neither is the GPU manufacturer as you voided the warranty with them when you used the wrong PSU.

Fwiw, even when out of the box new your PSU maxed out at 480W and it clearly states that on the information label.
 

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Athenallus

PCHF Member
PCHF Member
Apr 16, 2021
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Thank you very much, for the info and explanation I guess I never went too deep into how PSU work or are rated. If I could borrow your expertise for a bit longer, I want to upgrade into a Ryzen 9 5800x, 36GB DDDR4 and a liquid cooler for the new CPU (those kits from corsair), what PSU would you recomend?

:)
 

phillpower2

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Sep 9, 2016
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Depends on what GPU you will be using in the build, the CPU and RAM are not demanding power wise and the liquid cooler will only use around the same amount as a storage device such as a 2 1/2" SSD etc.

You are welcome btw :)
 

Athenallus

PCHF Member
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Apr 16, 2021
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Well because of the high prices of gpu´s and limited aveilability sadly i think i need to stick for a little while with the R9 270 but i want to upgrade into a
Nvidia 2060 or 2070 in a few months. So hopefully a PSU that could run either one of the Nvidia ones. I know that the GPU would be a bottleneck but hopefully im able to use it while i get the Nvidia upgrade.
 

phillpower2

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Sep 9, 2016
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You definitely need a new PSU so if you are definitely going to upgrade the GPU for something so high end I would suggest that you get more than what you need for the best price, a Gold efficiency rated Corsair, EVGA or Seasonic that is covered by a ten year warranty.

Just a fyi, your present PSU is rated as Tier D • Recommended only for very cheap, iGPU systems on the PSU tier list here ( low priority units - minor issues or lack of info )
 

Athenallus

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Apr 16, 2021
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Well thanks for all the help and advice. I shall get a new PSU gold with watts to spare. I'll close the thread. :D
 
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phillpower2

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Sep 9, 2016
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You are welcome and thanks for letting us know that you no longer required assistance (y)
 
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