Solved Can't figure out which part of newly build pc is faulty.

April 4, 2013 at 20:57:31
Specs: Windows 7
First time builder... Recently ordered parts from newegg for a decent budget build modeled towards gaming. Everything is hooked up fine but I have no video and only certain general functions. It will power on and run the fans/lights, dvd burner will open and seems to read disks. Graphics card is either dead or the motherboard fails to acknowledge it's existence nor do any of the USB ports seems to work. Power button only works when turning on, PSU needs to be switched off for a shutdown. I've went back over the wiring several times and have yet to find any flaws. The only problem I had during building was that the cooler seemed to need a lot of pressure to lock in place on the cpu. But I've read that even with a damaged cpu I should still be able to enter BIOS. So I'm not quite sure which part, or parts, are causing the issue. Any help would be greatly appreciated.

I can test the graphics card on another pc but have yet to have the time to do so. Currently do not have the means to test the CPU or motherboard on another system.

Parts to note:
MB: ASRock AMD ATX 970DE3/U3S3
Video Card: XFX Radeon HD 6450 2GB DDR
CPU: FX 4100 AMD (Zambezi) 3.6Ghz Quad
PSU: APEVIA ATX-CW500WP4



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#1
April 5, 2013 at 04:13:50
✔ Best Answer
Not much of a video card for gaming. Not much of a power supply, in fact pretty cheap (two 12 Volt rails (16A & 18A), 70% efficient, etc).
Bench test it:
http://www.techsupportforum.com/for...

WAIT: According to the specs I have been able to find, your motherboard requires an 8pin CPU connector but your power supply only has the older 4pin P4 type CPU connector. If this is true, you cannot power up your motherboard properly, especially your low end graphics card which relies on this 12V connector for its power source. You are going to have to use a better power supply.
This is the minimum I would recommend for you for mild gaming:
http://www.newegg.com/Product/Produ...
Better would be:
http://www.newegg.com/Product/Produ...
which would have more reserve power for better graphics cards in the future.
Both have a single high amperage 12Volt rail to power gaming graphics cards, active PFC, 80%+ certified efficiency rating, a quality name brand, and longer 3 and 5 year warranties.

As for graphics cards, look up here:
http://www.tomshardware.com/reviews...
http://www.tomshardware.com/reviews...
are both going to help you get the most out of a gaming system on a budget.

You have to be a little bit crazy to keep you from going insane.


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#2
April 5, 2013 at 04:58:30
Fingers pretty much covered it - the graphics card & power supply were both very poor choices plus you should ALWAYS bench test components before installing them in the case. Tear it down & start over - bench test!

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#3
April 5, 2013 at 06:19:11
"But I've read that even with a damaged cpu I should still be able to enter BIOS." Where did you read that? On the internet, LOL? The CPU is the brain of your computer. No CPU, no POST.

If the CPU is the brain, the power supply is the Heart. You need to get a better one.


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#4
April 5, 2013 at 22:11:27
Aye very useful information Fingers.
I did my home work but not as much as I should have it seems lol.
I was more worried that I might have ruined my CPU though so this is news that I can live with.
Thanks for the links and tips for better parts. I had a feeling that these after-martket parts would do me in but I was hopping they would suffice until I was able to invest more time and money into it.
I'll start the process to remedy my error of judgment asap.
Thanks.


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#5
April 6, 2013 at 16:25:00
You are quite welcome.

You have to be a little bit crazy to keep you from going insane.


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