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System random shutdowns

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Ok a friend of mine just "downgraded" his graphic card (the idiot) and here's what he wrote bellow:

Oh god I just hate hardware problems, and I work with them for a living. Its just when you run all the procedures and still get stumped.

Anyway, heres the rundown.

Issue 1
I got myself a new graphic card (Radeon HD 6670) to replace my old one (Gigabyte HD 4850). Problem is that my FPS is complete *whoosh* in any game I play. I did the following:
- Uninstall any drivers and software from the old graphics card via safe mode
- Driver sweep
- Install new drivers and software for new graphic card
- ???
- Rage
Yeah I'm stumped completely. Only praying now its just not the PSU, cause I'll probably breakdown and cry.

Issue 2
Since installing new graphics card I've been getting "random" shut downs. Meaning my computer just turns off completely out of nowhere. I did the following:
- Checked for any loose hardware when I was installing graphic card
- Its not due to heat, I checked and monitored it constantly
Please god it not be the PSU.

Any suggestions and help would be much apprieciated, oh god Skyrim in 7 days.

EDIT: Forgot to put down my specifications, silly me.

Graphic card: Radeon HD 6670
Case: Antec Solo
PSU: Antec NeoPower 550W
Motherboard: EP31-DS3L Gigabyte Series
CPU: E8400 3.00GHz (2 CPUs)
RAM: 4Gb kit (2x 2Gb)
HDD: 500Gb SATA x2
Monitor: 22" View Sonic HD
Speakers: Logitech X-530 5.1
OS: Windows 7 x64bit

And i told him, you psu is bad, it happened to me years go, changed every single part of my pc before changing the psu and after frying some minor components, and it was all fixed by a simple psu exchange...

I would like to hear some opinions on this though, i also told him to go get a proper graphic card if he can still exchange i on the store...
 

Athlon2K15

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If his pc was able to run the 4850 without issue i dont see why it cant run the 6670,your probably right with it being the psu.
 

maleficarus

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I would test the Ram and if the ram passes I would suspect the PSU as well.
 
Joined
Jun 26, 2007
Messages
2,125 (0.41/day)
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System Name Unreal Machine IV
Processor Ryzen 5 3600
Motherboard Asrock 570X Taichi
Cooling Noctua U9S
Memory Team UD4-4000 @3600 CL16
Video Card(s) 5600XT Red Devil
Storage Evo 960 500GB + Kingston SSD 240GB + WD RED 4TB + WD Blue SN 550 Nvme 1TB X3
Display(s) DELL U2417H
Case Termalthake xaser III black with lots of noctua 80mm fans
Audio Device(s) Creative SB X-Fi Titanium Fatal1ty Champion + Creative Inspire t7900 7.1 + Sony MDR-1A + AKG K-240
Power Supply Seasonic Prime GX-750
Mouse Logitech G502 hero SE
Keyboard Logitech
Software 10 pro
Benchmark Scores Better than before...
He says it all works fine when he puts old card into place...
I saw on neweeg some of the lower scores either had doa units (Antec NeoPower 550W) some had psu blowing or burning, and random shutdowns as well...
It seems to me there might be some unreliable units in the market...
Usually when its ram it gives a bsod...

What should he do to test ram??
 
Joined
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Cooling CORSAIR HYDRO H150I PRO RGB 360MM 6x120mm fans push pull
Memory CRUCIAL BALLISTIX 3000Mhz 4x8 32gb @ 4000Mhz
Video Card(s) EVGA GEFORECE RTX 2080 SUPER XC HYBRID GAMING
Storage ADATA XPG SX8200 Pro 1TB 3D NAND NVMe,Intel 660p 1TB m.2 ,1TB WD Blue 3D NAND,500GB WD Blue 3D NAND,
Display(s) 50" Sharp Roku TV 8ms responce time and Philips 75Hz 328E9QJAB 32" curved
Case BLACK LIAN LI O11 DYNAMIC XL FULL-TOWER GAMING CASE,
Power Supply 1600 Watt
Software Windows 10
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