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first boot no monitor signal

Last response: in Systems
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March 17, 2013 4:50:37 PM

I have a 4days old gaming rig and my problem is when i turned it on the monitor displays no signal. after several force shutdown (like 1-4x) it will again function normally. i've been doing this for 2 days already. the cpu boot normally coz i can hear a beep and the fans are working as well. hope you guys can help me.

pc specs:

mobo- ASUS P8B75-v
RAM - 2x 4GB patriot
CPU- i5-3570k
GPU- xfx 7850 double dissipation
PSU- DELCO 650W


P:S please treat me like a total noob.

More about : boot monitor signal

a b 4 Gaming
a b C Monitor
March 17, 2013 5:13:40 PM

I can find no such PSU. Please check the label. Is it a Delta?

Please be more specific about the RAM. Exact model number.

What BIOS version does the board have?

Your answer is with one of those 3.

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March 17, 2013 5:15:08 PM

Try taking out the video card and plug in your monitor to the motherboard connector first. Once done with that get all your drivers installed. Then plug in your video card and try again.
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March 17, 2013 6:04:32 PM

Proximon said:
I can find no such PSU. Please check the label. Is it a Delta?

Please be more specific about the RAM. Exact model number.

What BIOS version does the board have?

Your answer is with one of those 3.

bios version date: american megatrends inc. 0706, 8/2/12
ambios: 2.7

the PSU is delco lc-8650btx. it has no fans unlike the higher end PSU

as for the RAM, i dont knwo how can i locate the model number :( 

i was opening the case and suddenly when i slightly move the side panel the monitor went no signal again.

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a b 4 Gaming
a b C Monitor
March 17, 2013 7:12:55 PM

So you might have a loose connection.

It's not high end PSUs that have fans. It's EVERY PSU, except for certain very expensive PSUs.

Again, I find no part number exactly matching the PSU... but I see adequate evidence that it is from LC Power, and is probably insufficient for the system
http://www.jonnyguru.com/forums/showthread.php?t=5172

You need an adequate PSU, and it is a very high priority regardless, even if it was not you problem at the moment.

Your BIOS version should support your CPU, so that is not an issue.

If there is no label on your RAM, maybe you can backtrack and discover where it came from. We really just care what the rated voltage is.

Given the extremely suspect PSU and the power requirements of your build, it could very well be the issue. Removing the graphics card and running video from the motherboard will lessen the power demands on the PSU, and so may help to confirm.

Make sure you unplug the PSU and then check every cable for proper fit also.
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a b 4 Gaming
a b C Monitor
March 17, 2013 7:40:49 PM

check that the mb on tight with the standoffs and the mb not shorting out to the case. also check that the i\o shield on the back of the mb not shorting out the usb/ethernet ports with it long fingers.
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March 17, 2013 8:47:45 PM

ikes9711 said:
Try taking out the video card and plug in your monitor to the motherboard connector first. Once done with that get all your drivers installed. Then plug in your video card and try again.


Proximon said:
So you might have a loose connection.

It's not high end PSUs that have fans. It's EVERY PSU, except for certain very expensive PSUs.

Again, I find no part number exactly matching the PSU... but I see adequate evidence that it is from LC Power, and is probably insufficient for the system
http://www.jonnyguru.com/forums/showthread.php?t=5172

You need an adequate PSU, and it is a very high priority regardless, even if it was not you problem at the moment.

Your BIOS version should support your CPU, so that is not an issue.

If there is no label on your RAM, maybe you can backtrack and discover where it came from. We really just care what the rated voltage is.

Given the extremely suspect PSU and the power requirements of your build, it could very well be the issue. Removing the graphics card and running video from the motherboard will lessen the power demands on the PSU, and so may help to confirm.

Make sure you unplug the PSU and then check every cable for proper fit also.


thank you sir for the immediate response. i really appreciate your time answering my problem. i will change my PSU ASAP. later i will consult a technician.

for the time being i wont be using my PC just to be safe until i could buy decent PSU.

thanks again for all of those who replied to my first ever post in this site. God Bless!
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!