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afterdawn.com > forums > pc hardware > other pc hardware > motherboard dead?
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Motherboard dead?
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Game420
Junior Member
_ 		17. June 2009 @ 15:37 _ Link to this message    Send private message to this user   
I have an Hp a6110n computer. It has a Asus M2N68-LA motherboard in it. I opened the case up to rid the insides of what ever dust there might be and to also put some thermal paste below the fan. I disconnected and took the motherboard out because it's the only way to get the fan off (I've done it before when I replaced the fan) Anyways when I reconnected everything there was no picture to the motnior and it sounds like the computer isnt even booting up. There is power running through the fan and I hear it turn on. It says RGB no input signal on the monitor. When I disconnect the VGA it says cable disconnect. I tried the monitor on another computer and it works fine. I bought a new graphics card and still does the same thing. When I took both ram cards out and booted it up I got no beeps either. Could my motherboard be dead?? Any ideas?
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dailun
AfterDawn Addict
_ 		17. June 2009 @ 17:59 _ Link to this message    Send private message to this user   
Motherboard or CPU
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jony218
Suspended due to non-functional email address
_ 		17. June 2009 @ 19:59 _ Link to this message    Send private message to this user   
I would remove the cpu and reinstall it again. Sometimes when you take the fan off, it will stick to the cpu. Check that the cpu pins aren't missing.

Also make sure all your power/reset/hard drive light/ small wires are connected properly. It happened to me before where I connected those small wires in the wrong pin's and the computer had similar symptoms to what you have.

I remove and reinstalled motherboards all the time and have never had one go bad on me, and I never use a antistatic strap. I think there is probably something loose or not connected properly on your motherboard.
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ddp
Moderator
_ 		17. June 2009 @ 22:09 _ Link to this message    Send private message to this user   
try clearing the cmos as have found that to work sometimes to kickstart a stubborn system.
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Game420
Junior Member
_ 		18. June 2009 @ 10:53 _ Link to this message    Send private message to this user   
I remove and reinstall motherboards to which is Why this is so weird to me. All the pars are connected to there proper placement. There is power running through the motherboard but no signl going to the vga. Do you think it could be a jumper? What if the cpu is pins are not missing then what?
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dailun
AfterDawn Addict
_ 		18. June 2009 @ 13:17 _ Link to this message    Send private message to this user   
If the CPU is not running you will not get any signal to the VGA, nor will you get any POST beeps because the motherboard needs the CPU to run POST.

There can be power to the motherboard and all fans running and the CPU can still not be running.
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This message has been edited since posting. Last time this message was edited on 18. June 2009 @ 13:52
Game420
Junior Member
_ 		22. June 2009 @ 10:31 _ Link to this message    Send private message to this user   
How can I tell if the CPU is running?
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dailun
AfterDawn Addict
_ 		22. June 2009 @ 13:17 _ Link to this message    Send private message to this user   
You can't. If the mobo is dead you probably don't have clock and other signals necessary to bring the CPU up anyway.

Maybe you could with one of those PCI bus diagnostic cards or an O'scope, but the only other way is to install your CPU in a known good mobo.
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This message has been edited since posting. Last time this message was edited on 22. June 2009 @ 13:18
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