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No VGA signal Tried Self Help No Post Beeps

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  • RAM
  • VGA
  • Systems
Last response: in Systems
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April 16, 2013 3:42:16 PM

Hey guys! So this is my first build and when trying to start my external build, I already have a problem. I plug everything in and my monitor says there is no VGA or DVI signal.
My specs are:
AS Rock z77 extreme 4 MB
i5 3570k cpu
Corsair vengeance RAM
OCZ ZT series 750 W PSU
Sapphire Radeon 7870 GPU

I plugged in the speaker to listen for the post beeps but only once I removed the RAM did I actually hear anything, a repeating beeping noise, which means there's no RAM if I'm not mistaken. Then I installed each one individually in each slot, but nothing worked so I returned the RAM and got a new set, but that didn't work either!
All the fans of everything spin up just fine but I can't seem to get any type of signal. All the other forums seem to be people forgetting to plug in the auxiliary power cord or something small. The only thing I could think that would be broken then would be either the cpu or the mb.
One thing I forgot to mention was there is a small display on the MB that switches quickly with some codes but then stabilizes to say A6 which according to the manual means SCSI detect, which I can't really find much help on.
Thanks in advance!

More about : vga signal post beeps

April 18, 2013 8:50:19 PM

Steeeeeve said:
Hey guys! So this is my first build and when trying to start my external build, I already have a problem. I plug everything in and my monitor says there is no VGA or DVI signal.
My specs are:
AS Rock z77 extreme 4 MB
i5 3570k cpu
Corsair vengeance RAM
OCZ ZT series 750 W PSU
Sapphire Radeon 7870 GPU

I plugged in the speaker to listen for the post beeps but only once I removed the RAM did I actually hear anything, a repeating beeping noise, which means there's no RAM if I'm not mistaken. Then I installed each one individually in each slot, but nothing worked so I returned the RAM and got a new set, but that didn't work either!
All the fans of everything spin up just fine but I can't seem to get any type of signal. All the other forums seem to be people forgetting to plug in the auxiliary power cord or something small. The only thing I could think that would be broken then would be either the cpu or the mb.
One thing I forgot to mention was there is a small display on the MB that switches quickly with some codes but then stabilizes to say A6 which according to the manual means SCSI detect, which I can't really find much help on.
Thanks in advance!


Start here and really keep track along the way for the beep codes. one at a time, piece by piece, build your system and you will know which component is your culprit, sounds hardware related. My guess, and first thing to do would be to RMA the MoBo, being "AS Rock", I've had the most by far problems with this brand of MOBO.
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April 19, 2013 5:11:01 AM

Well it doesn't seem to be recognizing the RAM. Since I replaced the RAM I am more inclined to believe it's the mobo but I don't have a spare computer that I can test the RAM in. Again I don't get any beeps when I install the RAM but repeated beeping when I completely remove them.
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April 19, 2013 7:29:09 AM

So all you have plugged in is the CPU, Heatsink, and you here constant beeping then you plug in the ram and nothing? Nothing else installed on the board no HDD, no video card, nothing. The heatsink is plugged into the board properly? The RAM sticks are clicked all the way in with both end pins snapped in and the alignment knock the right direction. If this is the case I would RMA the MoBo for sure.
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April 19, 2013 8:10:34 AM

Yeah the mobo must be broken then :(  only the CPU, fan and power plugs are installed but as soon as I put in the RAM, nothing. Thanks for your help. Hope everything goes smoothly from here on in.
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April 19, 2013 8:30:51 AM

Steeeeeve said:
Yeah the mobo must be broken then :(  only the CPU, fan and power plugs are installed but as soon as I put in the RAM, nothing. Thanks for your help. Hope everything goes smoothly from here on in.


Let us know what you come up with.
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