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Help Requested: new build, no bios, thinking bad Mobo or CPU

Last response: in Motherboards
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June 18, 2013 12:16:35 PM

Parts include:
Asus H61MA USB3-motherboard
PSU topwer 650 watt
500GB HGST hard drive
Coolmaster TX3 Fan
I3 2130 cpu
Rosewill Blackbone Case
Asus P8Z68-V/GEN3 2x4gb Silicon power RAM

So the computer will turn on and stay on with all fans and lights working just fine (as well as the dvd drive when we have it plugged in). Things we've done: made sure that the 4pin and 20pin psu->mobo connections are fine. However, the keyboard has no power and the monitor receives no signal. No beeps are given (though it is capable of beeps)

Things we've tried
Resetting the CMOS battery
Taking out/switching/minimizing RAM (will give Long-Short-Short beep when RAM is out)
Resetting the CLRTC pins
Switching power supplies.
Unplugging the hard drive and dvd drive.
Made sure that its set to 110v on the psu.
We read somewhere that taking off the fan and turning on the comp for a couple seconds before shutting it down to feel the cpu get warm is a method for ensuring that it works. We tried that and felt no heat change.

We haven't yet switched out the cpu or returned the motherboard.

Any help or suggestions would be immensely appreciated. I've built several computers and this is baffling to me.
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June 18, 2013 12:20:19 PM

Looks like a bad mobo friend. Seems like it's not receiving enough power.
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June 18, 2013 12:22:44 PM

Try taking the motherboard with ram out of the case and put it on a non-conductive surface. Then hook up the power supply and the monitor and see if it can boot.

If it does not you probably have a bad motherboard, cpus are rarely defective. If you don't have another cpu though you can't be 100% sure.
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June 18, 2013 12:23:10 PM

Not enough power...so its just not using its resources effectively (I assume the PSU is more than adequate)? Does this seem odd or is the mobo being bad seem like a simple and accurate solution?

I feel like the CPU may not be doing its job. Is it possible for the comp to POST with a bad cpu?
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June 18, 2013 12:25:48 PM

TheFavorite said:
Not enough power...so its just not using its resources effectively (I assume the PSU is more than adequate)? Does this seem odd or is the mobo being bad seem like a simple and accurate solution?

I feel like the CPU may not be doing its job. Is it possible for the comp to POST with a bad cpu?


The computer won't POST with a bad CPU.
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June 18, 2013 12:29:05 PM

MJSBLUES said:
TheFavorite said:
Not enough power...so its just not using its resources effectively (I assume the PSU is more than adequate)? Does this seem odd or is the mobo being bad seem like a simple and accurate solution?

I feel like the CPU may not be doing its job. Is it possible for the comp to POST with a bad cpu?


The computer won't POST with a bad CPU.



Thank you for that, I didn't know that. At least that's one way to help isolate issues.
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a c 169 V Motherboard
June 18, 2013 12:30:08 PM

Could be bad memory, a bad cpu or a bad MB. If your CPU is not heating up, I would start with another CPU. Is the 4-pin cpu power connector plugged in?
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June 18, 2013 12:32:20 PM

MJSBLUES said:
TheFavorite said:
Not enough power...so its just not using its resources effectively (I assume the PSU is more than adequate)? Does this seem odd or is the mobo being bad seem like a simple and accurate solution?

I feel like the CPU may not be doing its job. Is it possible for the comp to POST with a bad cpu?


The computer won't POST with a bad CPU.


Alright. So looking into the codes and whatnot, it seems that the screen should give some sort of indication of something in a POST, not just beeps. Is this correct or can a post successfully happen without screen response?

Also, thank you all for all the help thus far. You've been amazingly quick and quite useful.
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