Question about ASUS P4P800 SE (890552603657) Motherboard

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The cpu not on

Initially I changed the original power supply 360w because the cpu not on. In the mother board led power was off.
Now with new power supply 450w the green led in mother board on but the cpu not when I push on button.
In the mother board in Pins pwr sw doing short between pins not on fan.
thanks

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You wil have to give me more details please

Posted on Nov 18, 2008

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Posted on Jan 02, 2017

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You can install a 450w or higher wattage switch mode power supply.
The total wattage of the power supply you require depends upon the power consumption of all the devices that are installed on your computer and any additional devices you may wish to install in the future.
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Hello, got a problem with my motherboard GA-965GM-S2


In only 1 of about a million times can you look at a motherboard and tell if it has been fried by over-voltage --- unless it has been struck by lightning!

If it just shutdown, it maybe that it just died!!! The CPU could have been running a little hot for a while and it finally burned out, causing the machine to stop. Usually with a memory fault, the machine will blue-screen with a page fault error and then fail to restart. A CPU failure just shuts the machine down, boom!! You can try replacing the CPU with a like kind and with a better cooling fan, etc. and see if you can get some life back into it.

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Intel E210882 video issues Had a dual vid card...lost it. onboard vid does not work. power supply 100% no blown capacitors I can see. other pci vid cards do not work. no sounds or beeps...just wont work....


The possibility that the video setting in the bios is blocking your video seems to be what could be wrong.
To reset the bios, turn off all power to the board or remove the power cord from the power supply. Find the bios and the jumper next to it, short the jumper for a few seconds, then replace the jumper to it's original position, and then try the computer with a pci video card.

I did some research on the Internet for this board. It seems that the cpu can have video problems, and if that is the case, you will never make video work unless you change the cpu.

Possible fix: Either change the cpu, if that is the problem, or change the mother board to another one which can fit or is a replacement for yours.
you may find a replacement of either one that fits or one which is an exact replacement on Ebay. Do a search for the board you desire. Prices vary, and are not too expensive considering. Prices are from a few $$ to over $50.00. Get one which is known to work correctly and try to get a cpu at the same time, if that is your final choice. One example on Ebay

My suggestion, if I had to do this would be to get another mother board with a cpu which will fit this computer, then re-install what is needed and make the operating system work. A complete restore should not be necessary, if you change the mother board, but many things will have to be re-installed.
A note: It may be a good idea to back up your boot drive on another computer and set it as a slave drive. This way you can save any data which may be destroyed when you re-install, if it is necessary to do that.
Remember, a Windows OS in which you have saved a lot of data to "my documents" will be all removed, and destroyed should you need to re-install any of the operating system. That is why you should consider to backup your original data before starting a new mother board.

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After changing power supply, motherboard still doesn't start


Asus huh.. okay your problem is one of the following ^_^
1- either the CPU Fan is not attached well or loos, that will cause the CPU to melfunction
2- BIOS damaged, well if the mother beard doesn't start at all then this is your problem, Change the BIOS at any ASUS local agent
3- CPU damaged, if the computer fan starts working but the screen doesn't and you are suer the fan is tightly and correctly attached.. then this problem remains in CPU.. @_@ I really hope its not.

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Hello,

We have repaired many of these systems. The board was damaged when the power supply shorted. You can get replacement motherboards at www.barebonekit.net click on the link on the left side for motherboards and look for Emachine.

I hope this helps, if so please rate my solution.

Buddy
Corporate Computer
www.ccl-la.com

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Motherboard not functioning


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Without more information I cannot say specifically what the problem is. You can try disconnecting everything from the motherboard except video card, CPU, and RAM to see if it would work that way. If it does then you can start connecting devices until it does not work any more then you have found the problem. If that does not work at all then unplug the video card and RAM see if anything changes (you should get a beep code without the video or RAM). If nothing changes then either the CPU or motherboard is bad and the only way that I know of to find out which one is to either try the CPU in another motherboard or try a different CPU in that motherboard.

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1 Answer

No respons at all !


I think your power supply cables is not able to start your B-board if your power supply is working properly then check mother board jack where you insert your power supply plug in M-board. Then you have to change or repair that jack where you insert power supply wire in M-board. With best regards M. Khalid Shaikh from Pakistan Mobile: +92-332-2631983

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