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New Haswell Build Won't Start

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September 2, 2013 3:41:51 PM

My new Haswell build won't start!

MOBO: Asus Z87-A
CPU: i7-4770
CPU Cooler: Standard Intel
PSU: Rosewill CAPSTON-550-M
Memory: 2x8Gb Corsair Vengeance
Graphics Card: None installed
DRIVES: 1-SSD and 1-HDD

Build went clean and easy until I flipped the PSU switch. It runs for about a second. CPU and case fans start-up, red CPU LED lights up and goes out, then red DRAM LED lights up and goes out. Then all shuts down. Green Mobo light is all that is on. No beeps. Front power switch does not work. If I turn off PSU, I must wait for green light to go out and then I can try again with same results.
I disconnected drives and case fans- same result.
I pulled out memory with same result.
PSU passes the paper clip test but I know that does not eliminate it as problem.
If CPU was the problem, would I not at least hear a beep?
Could it be the motherboard?

More about : haswell build start

September 2, 2013 4:10:08 PM

youll hear a beep if your case has speakers and its plugged into the front panel. Look at your MB manual or check you see which led is staying lit? oled2, vga, boot, dram?
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September 2, 2013 6:17:19 PM

dreamerz said:
youll hear a beep if your case has speakers and its plugged into the front panel. Look at your MB manual or check you see which led is staying lit? oled2, vga, boot, dram?

The green LED is located on bottom front of Mobo. I always called it the power LED. It is the only thing showing life. I have speakers plugged in to the green jack on rear I/O panel. Once I did see the VGA LED light up, but only once. Each of the three red LED's went on the off consecutively- CPU, then DRAM and then VGA. I never saw the VGA light up again.
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September 2, 2013 6:51:01 PM

THat might be the tpu led check the manual. http://dlcdnet.asus.com/pub/ASUS/mb/LGA1150/Z87-A/E7828... . Try disabling tpu. Or it might be the boot led so make try also reseating the the cables for the HDD on both ends, the MB and HDD. And I think you need case speakers connected to the front panel connectors on the MB, where you connect the power on-reset ect buttons, to hear the error beeps/codes.
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September 3, 2013 7:42:15 AM

dreamerz said:
THat might be the tpu led check the manual. http://dlcdnet.asus.com/pub/ASUS/mb/LGA1150/Z87-A/E7828... . Try disabling tpu. Or it might be the boot led so make try also reseating the the cables for the HDD on both ends, the MB and HDD. And I think you need case speakers connected to the front panel connectors on the MB, where you connect the power on-reset ect buttons, to hear the error beeps/codes.


The green LED is large 1/8" dia x 1/4 hi- I believe it is the Mobo power light.
The TPU is already disabled.
You are correct about the case speaker, I installed one and now hear the beep code.
1 long and 2 short, one time- It tries to repeat but shuts down before another code cycle.
This believe this is a video error code. I don't have a card installed, as it has not arrived yet.
I thought I could simply run on on board video until it came?
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September 3, 2013 9:16:30 AM

I believe that code is a graphics thing. Recheck the connections. You are using the integrated graphics, but if you have a Graphics card, you can try that.
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September 3, 2013 7:01:06 PM

coastie65 said:
I believe that code is a graphics thing. Recheck the connections. You are using the integrated graphics, but if you have a Graphics card, you can try that.


It looks like the code long-short-short for Asus might be memory, not video (as Award bios was).
I had pulled out the memory to test and makes sense that it would code on that.
Put memory in and now no beeps. Video card arrived today. Installed with no change.
Video card fan starts up like everything else, then all shuts down.
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September 4, 2013 5:34:01 AM

dreamerz said:
what video card do you have? power cables plugged in? Could just be a bad MB sadly. I'd take it apart one more time reseat and replug everything just incase one more time. http://support.asus.com/pcassistant/pdf/BeepTable_en-us... a table for their error beeps.


Video card: GigaByte nVidia GeForce GTX650 2GB
I basically rebuilt it, even pulling the CPU- without success.
I have ordered a cheap PSU just to help eliminate PSU problem, should get it this week.
It's not Haswell certified, but I hope it will work to prove whether it's PSU or not.
Have you ever heard of a bad CPU? Could these symptons be CPU?

Update: Tested with different PSU - same result.
Pulled motherboard out of case and bench tested - no luck.
Swapped out with new motherboard and ALL IS WELL
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