Question about ASUS P4P800S-X (610839118175) Motherboard

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Won't start After cleaning my computer with it unplugged my computer wont start when you hit the button to start it it will run for about 1 1/2-2 seconds then just cuts back off. the HDD and Reset wires were unplugged but are back in their right slots. Thanks in advance for any help.

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Re: won't start

First Pull Out The Cable That Plugs Into The Motherboard From The Power Supply. Then Plug It Back In After A Few Seconds

Posted on Mar 04, 2009

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Re: won't start

I thought i'd already tried that?! any rought idea how to do that?

Posted on Nov 25, 2008

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Re: won't start

How to reset the bios

Posted on Nov 24, 2008

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Re: won't start

Try resetting the bios. Have seen this problem with many pc's.

Posted on Jan 21, 2008

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Hi there I have a msi fx603 that won't start when you hit the power button it flashes once then when you let it up it flashes once more but wont start ...the only other thing that happens is the m

Hello here is the msi homepage:

I think your harddrive is dead, and must be renewed.
The fault could also be the mainboard itselves.

A computer repair shop, can help you with that.

Good luck

Apr 01, 2013 | Motherboards

1 Answer

Erc410m usb boot support

bootable USB guide, here we assume that you are using either Vista or Windows 7 to create a bootable USB.
1. Insert your USB (4GB+ preferable) stick to the system and backup all the data from the USB as we are going to format the USB to make it as bootable.

2. Open elevated Command Prompt. To do this, type in CMD in Start menu search field and hit Ctrl + Shift + Enter. Alternatively, navigate to Start > All programs >Accessories > right click on Command Prompt and select run as administrator.

3. When the Command Prompt opens, enter the following command:
DISKPART and hit enter.
LIST DISK and hit enter.
Once you enter the LIST DISK command, it will show the disk number of your USB drive. In the below image my USB drive disk no is Disk 1.

4. In this step you need to enter all the below commands one by one and hit enter. As these commands are self explanatory, you can easily guess what these commands do.
SELECT DISK 1 (Replace DISK 1 with your disk number)
(Format process may take few seconds)
Don't close the command prompt as we need to execute one more command at the next step. Just minimize it.

5. Insert your Windows DVD in the optical drive and note down the drive letter of the optical drive and USB media. Here I use "D" as my optical (DVD) drive letter and "H" as my USB drive letter.

6. Go back to command prompt and execute the following commands:
D:CD BOOT and hit enter. Where "D" is your DVD drive letter.
CD BOOT and hit enter to see the below message.
(Where "H" is your USB drive letter)

7. Copy Windows DVD contents to USB.
You are done with your bootable USB. You can now use this bootable USB as bootable DVD on any computer that comes with USB boot feature (most of the current motherboards support this feature).
Note that this bootable USB guide will not work if you are trying to make a bootable USB on XP computer.

boot from a usb drive
hope this helps

Nov 17, 2012 | Motherboards

1 Answer

Wont start

Step 1 - Check that all your cables are connected properly.
Step 2 - Check your power supply with a PSU tester.

You can get a PSU tester here:

May 31, 2012 | Biostar P4M900-M7 SE Motherboard

1 Answer

My PC is not starting what is problem.

first make sure your ac cable is working well, then try to check the power supply of your computer if the fan rotates every time you hit the power button of your cpu, if not then change your power supply. if it fan rotates and stops, try to used another power supply if fan rotates and still won't display open up your cpu try to check if the fan over the processor will rotate and still don't recieve display. try to remove the video card and memory and clean it and re insert it. if still don't work. you got your motherboard defective.

Jul 10, 2011 | Intel SRMK2 Motherboard

1 Answer

My hp Pavilion notebook computer's cursur is stuck in the middle of the screen and it won't budge. I have tried unplugging and removing the battery and turning back on and still nothing. The...

During the boot process you will see on the screen to press a certain key to enter setup
Press and hold that key during the boot up process to enter BIOS you can load failsafe defaults or load optimized defaults ,press escape then press f10 to save to cmos to restart
During the boot process tap the f8 button three times this will boot into safe mode where the only things working will be your mouse and keyboard enabling you to attempt to repair your computer
Also you might try
Turn Off the computer, now as soon as you hit the power button, keep on holding "Alt" key & keep on tapping "F10 key,ie: Alt+F10, it will open the recovery console ,select full factory restore and follow on screen instruction. (Note:this will erase all datas on the computer)

May 27, 2011 | Motherboards

1 Answer

My memory is always engaged 50% 7 2 gb ddr3 ram

Run a disk clean up 1. Go to start>All Programs>Accessories>System Tools>Disk Cleanup 2. Delete the temporary files Go to start click in the start, in search bar at the bottom type %temp%, hit enter, delete as many as files you can delete 3 Click on start, again in start search bar type MSconfig and in startup tab try to reduce the start up items then click on apply Restart the computer and its done

Oct 21, 2010 | Motherboards

1 Answer

Kn8 SLI mobo will not run.


1. I strongly suggest you clean the dust off your motherboard and other internal components, it is possible that may be culprit if nothing was changed since the last time you used.

2. if something was in fact changed and cleanning does not resolve issue try the following to recover the hardware default status, and then making the motherboard work again:

Step 1. Switch off the power supply unit and then switch it on again after one minute. If there is no power switch on the power supply unit, disconnect its power cord for one minute and then reconnect.
Press and hold the <Insert> key on the keyboard, and press the power-on button to boot up system. If it works, release the <Insert> key and hit <Del> key to enter the BIOS setup page to apply the correct settings. (load default settings and save changes and exit)
If the situation remains the same, repeat the procedures in Step 1 for three times, or try Step 2.
Step 2. Switch off the power supply unit or disconnect the power cord. Open the chassis cover. Locate the CCMOS jumper near the button battery. Change the jumper position from default 1-2 to 2-3 for one minute to discharge the CMOS data, and then put it back to default 1-2 position.
Close the chassis and switch on the power supply unit or plug in the power cord. Press the power-on button to boot up system. If it works, hit <Del> key to enter the BIOS setup page to do the correct settings.
If the situation remains the same, try Step 3.
Step 3. The same procedure as Step 2, but while discharging the CMOS data, pull out the ATX power connectors from motherboard and remove the button battery during CMOS discharge.
3. try replacing the powersupply

Dec 25, 2009 | Abit KN8 SLi Motherboard

3 Answers

I believe that a ram chip was touched while the computer was operating. Now it wont boot up!

Your RAM Module might have been short circuited . Try cleaning the RAM module and run the computer again . 

Oct 03, 2009 | ASUS M2A-VM Motherboard

1 Answer

Fails to start

the problem is your fan may not have got proper power supply....the wire connecting the fan and power chord should be perfect....if there is a loose connection your fan may not get proper power supply and then it will not run.....this is the main probem.....just check the wire connection between the fan and power chord has been properly connected and there are no loose connections....i am a software engineer....and have experience in it....try this will 100% solve your problem.......

Sep 19, 2008 | ASUS P4P800 SE (890552603657) Motherboard

2 Answers

Computer wont turn on after 2 months of no use

clean the switch on/off connectors
give the motherboard a good clan with brush

Aug 18, 2008 | ASUS A8N32-SLI Deluxe Motherboard

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