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No signal on monitor one long beep 2 short beeps cant get into bios

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January 17, 2014 9:40:36 PM

Just like the title says i recently got a new power supply and everything starts up fine except for this beeping and when it isnt beeping nothing shows up on the monitor anyway. I also tried everything on the No post/boot checklist thing. the motherboard i have is an asus M5A78L-MLX Plus. I've tried reseating the ram reseating the cpu tried the onboard video and two different graphics cards. I know the graphics cards are good because they work in another machine in my house.
What am i not doing here?
January 17, 2014 9:43:14 PM

Remove the memory and try boot to bios
EDIT: Wait no, that only works on servers I believe
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January 17, 2014 9:45:16 PM

I think with Asus boards that only happens when there is something wrong with the RAM, have you done anything to it?
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January 17, 2014 9:49:57 PM

nope nothing has been done to the ram.
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January 17, 2014 9:51:15 PM

Are they the same size, speed, brand etc etc
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January 17, 2014 9:53:47 PM

they are exactly the same.
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January 17, 2014 9:55:06 PM

Odd, Are they listed as supported memory in your motherboards manual?
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January 17, 2014 9:57:18 PM

i have no idea but until now they were the sticks i always used in this machine and it worked fine for 2 years.
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January 17, 2014 10:00:05 PM

So I guess it's not the memory then, have you tried plugging your monitor into the on-board port?
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January 17, 2014 10:02:16 PM

yup. still nothing.
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January 17, 2014 10:07:15 PM

Okay, the only thing I can think of now is to pull everything out of the motherboard and clean the connectors as while as the pins, if there is just a enough dust to block one pin from is connector the whole computer wont work. If that doesn't work out then something is probably broken/fried.
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January 17, 2014 10:09:24 PM

Also, leave the case open when you turn it on and make sure all your fans turn on when you press the power button
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!