Question about ASUS P4S800-MX Motherboard

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Booting up Hi i have a p4s800 mx and everything is plugged in, when i switch it on it does not beep (should it) and the screen does not come on at all! i have tried resetting the bios and changing the ram around but no luck what do u think the prob is???

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Re: booting up

The first you'll have to do is diagnosis the problem, you can try a few step here,
1. remove all plugin that are not used while rebooting such as Harddisk drive, disc drive/rom and floppy disk.
2. try to reboot, if it not work, turn off again.
3. unplug the DDR, clean the pin with contact cleaner spray then plug in again. do same thing with the CPU/processor.
4. if it nort work too, you need to check your power supply.
hopefully this helps.!

Posted on Nov 08, 2007

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When i switch on my computer nothing appears on the screen

1.check with a other monitor.
2.check the videocard.
3.if two HDD and set optimal deafaults in BIOS.
bios can change drive to boot from.

Jan 16, 2014 | ASUS P4S800-MX Motherboard

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Asus p4s800-mx wont display agp

A friend of mine had a problem quite similar to yours. Try reistalling the drivers for the graphic card, otherwise, get some assistance from ati.

Jul 08, 2010 | ASUS P4S800-MX Motherboard

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Asus p4s800 beep codes. I get one long beep. I

The one long beep, this has something to do with the video card.
Can't really tell without the BIOS you are using !
Anyway, try removing the card and replace it. ( with anything, just to check. )
This is a good board, I have a ASUS P4C800 and you can't beet it.
P.S. Make sure all your memory is the same freq. and clock speed.
Good luck.

Oct 23, 2009 | ASUS P4S800-MX Motherboard

3 Answers

Motherboard connections asus p4s800 mx se

Here is a direct link to the manual...
P4S800 MX SE Manual

Here is a link, if you need device drivers
Answer the Pop Down Boxes...
Product: Motherboard
Series: Socket 478
Model: P4S800-MX SE
Choose Your OS (Operating System)

Nov 23, 2008 | ASUS P4S800-MX Motherboard

1 Answer

Asus Motherboard Constant High POST beep

long beep - memory bank is not plugged well, or broken
continuous beep - no power, loose card, or short.

Aug 01, 2008 | ASUS P4S800-MX Motherboard

1 Answer

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hey change ur boot order in bios.....
put dvd/cd drive 1st...

May 30, 2008 | ASUS P4S800-MX Motherboard

1 Answer

Won't boot

usually long beep is RAM

Apr 01, 2008 | ASUS P4S800-MX Motherboard

1 Answer


I'm sorry to say that I had much the same problem with a RMA'ed mobo from Asus. The one that came back worked for a short time, and then died.

I can't say that Asus is the only one I've had the same problem with, Intel has done the same. But I kinda expected more from Asus. I did not bother again, I just decided to do a mobo/CPU/memory upgrade at Fry's.


Jan 27, 2008 | ASUS P4S800-MX Motherboard

1 Answer

Can not get any boot at all

Hi, First of all, your hard drive is what this computer needs to boot up. Try to see if you can POST, that is, only plug in power supply to motherboard with cpu and memory in there. Don't put any hard drive or other device into motherboard as yet. see if it reaches past post. If it does, then plug in hard drive and see if the problem occurs again. If it does, then the problem is the hard drive. But for now try reaching past post with only the bare necessary components for startup. Then let me know what happens.

May 02, 2007 | ASUS P4S800-MX Motherboard

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