Question about ASUS P4P800-X Pentium Motherboard

1 Answer

System don't startup

The led on the motherboard is flashing. the color of the led is green.
Power supply is tested; result good. Memory tested; good. All the devices disconnected; result none. Processor changed; result none.

Something the matter with the motherboard or someting else? I look for your answer.

Posted by on

  • grizano Mar 31, 2009

    can anyone help me???

    The led on the motherboard is flashing. the color of the led is green.


    Power supply is tested; result good. Memory tested; good. All the
    devices disconnected; result none. Processor changed;
    I have big problem!!!!!!i dont know what else have to do!!

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1 Answer

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  • 224 Answers

Well you've narrowed it down quite much. Have you tried reseting the Bios?

Posted on Mar 02, 2009

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Ibm x3400 is not powering on green led blinking continiously


Hello here is others with the same problem:

http://www.ibm.com/developerworks/forums/thread.jspa?threadID=397434&start=15&tstart=0

It looks like the power button is failing.

The fault could also be the mainboard.

Try also to talk with a autorished dealer or a repair shop.

Good luck

Dec 15, 2012 | IBM x3400 Server

1 Answer

Green light next to power button stays on - no response from computer, totally frozen for up to 12 hrs, then green light goes off, computer suddenly comes on for 5-10 min then freezes again.


Good day sir, hi, You need a thorough check on your PC.
But first try testing the Motherboard, Processor and Memory module.

As this point you need a friend, that knows how to tinker with your PC

Or you may need to do this.

1. memory testing:
Try replacing a new memory ram module on your PC, get the modules out of the memory slot, and let it be tested on another PC. if good,

2. power supply
Test for the power supply box, remove the 20/24 pin power connector from the mainboard and short the green and any black wire, your fan should blow out air.

3. Test for motherboard.
remove all coonections from the motherboard, except the 20/24 pin power connector, and the 12v 4-pin molex power connector, connect the pc speaker or the thumb speaker on the speaker port, connect a keyboard, clear the CMOS, (or remove the battery temporarily), connect the header panel (power switch, reset, power led) place the processor and memory (the tested good one). power on.


You should hear a beep (good) The keyboard will light up the three leds, then a few seconds, the numlock led.

If you hear 1 long and 2 or 3 short beeps, problem with the display section. Reseat any graphics card. test again.

If you hear continous beeps, reseat the memory, if the beeping persist, replace your motherboard.

If you hear nothing? only fan blowing, replace your motherboard.

I can only give you instructions, you need a someone who knows how to service a PC.

Dec 17, 2009 | Compaq Presario 5000 PC Desktop

1 Answer

P4P800 MB will not power up. Power switch only yields flashing lights. Turn off and wait and repeat yields same result. Disconnect power from all drives = same result.


You'll need to check the voltage output of your current power supply. The ATXPWR1 connector. See page 2-29 in your manual.
You will need a volt meater to check the power out-put for each.
The link provided should help you test your power supply; http://www.compute-aid.com/atxspec.html
If you feel this is a bit too difficult you can swap out your current ATX power supply with another. The power supply for the Asus MB should support a minimal of 300Watts output. Its recommended to use a 350 to 400Watt PS. Please provide what LED light is flashing and what color it is. Also include any beeps you may hear during boot up of the system. (Long, short and repeating if any). You can send me an email at triptic12@yahoo.com

Cheers
Mike

Nov 23, 2009 | ASUS P4P800 SE (890552603657) Motherboard

3 Answers

When I push button to turn on, the light flashes orange. Nothing happens, no fan, nothing. It worked fine yesterday.


This usually means a failed power supply and/or failed system board. No way to know further without swapping parts. Power supply is cheaper to replace .

Oct 05, 2009 | Dell Dimension E510 Dual Core 2.8 Ghz...

1 Answer

NEW BIOSTAR MOTHERBOARD DOES NOT BOOT


Good day sir, let try to test first the power supply, Unplug the power cord, remove the 20 pin (24 pin for the late model) molex power connector from the motherboard, plug in the power cord, get a 2 to 4 inch jumper wire, short the green wire with any of the red or black wire on the molex 20 pin power plug, the result maybe the following:
  1. you will see the power supply fan turn. you power supply is in good order. replug the power supply, and test again.
  2. you will see the fan turn for a few second then stops. you power supply is selective, and may require a different type of motherboard. Get a new one.
  3. you wont see the fan turn at all. get a new one.
If in case you are with #1. uinplug the power cord and remove all the expansion cards, data cables from the hard disk and cd drives. we are trying to isolate the problem. make sure that the only connected cables on the motherboard are as follows:
  1. 20 pin power cable.
  2. 4 pin 12 volt power cable (if applicable)
  3. speaker
  4. power switch
  5. power led
Test the pc once more. plug in the PC. If still the board wont power on. problem with your motherboard. Note:make sure your RAM is good. Hope this helps.

Aug 26, 2009 | Biostar I865GV-M4 (MB865GVM4) Motherboard

2 Answers

Dell dimension 2400 blinking amber light


1. Remove All External Devices
2. Check the Computer's Power LED
3. If the power LED has not changed unplug the Power Cable From the Computer Disconnect All Hard Drive Power and Data Cables and power on the computer. If still no go.
4. Remove All PCI, PCI-E, and AGP Expansion Cards .
5. Remove All Memory From the Computer
6. Reseat the ATX and 12-Volt Connections . The ATX connector will be a 4 pin square connector connecting to the motherboard from the power supply and the 12-Volt Connection would be the biggest connector with a lot of colored wires.
7. If still no go.
8. Disconnect the Power Connection to the Chassis Fan
9. If the light still flashes then it could be a power supply or motherboard failure. Try a good know power supply first and if that does not fix the problem it is the motherboard. Also check the back of the tower for 4 lights lables ABCD or 1234.
Rate if useful.

Aug 11, 2009 | Dell Dimension 2400 PC Desktop

1 Answer

Power light flashing HP Compaq Presario SR1230NX PC Desktop I powered the unit down; when I tried to powered it up the only reaction is a green led flashing. The led is located in the back close to the...


Sounds like the Power Supply is bad likes its not able to power on itself. Best thing to do, try a different known good power supply and attach it to the motherboard, if you get the same symptom with the machine not powering on then its a bad motherboard. If the machine does power on then you know your original power supply is bad.


May 28, 2009 | HP Compaq Presario SR1230NX (PJ518AA) PC...

1 Answer

Powers On if I plug it in, and power supply fan runs...


Think of blinking amber as the initial state of the LED. As long as the system is receiving power from a power source and can pass that power through the system board to the LED on the Control Panel it should, at least, blink amber. As a result, a blinking amber Power Button LED is a reliable indicator that the system is receiving power from a power source. This, in turn, tells us that the source and power cord are likely to be functional. The Blinking Amber LED also tells us that the power supply to system board connection is good as well as the connections between the system board, I/O Panel and Control Panel. Depending on the components installed and the condition of those components, the LED may progress past blinking amber and move to solid amber. If the LED does not progress past blinking amber it indicates that the system is not able to properly distribute power to the system components. This is discussed in the next section of the interaction.


It does not indicate that the power supply is bad. It simply indicates that, for whatever reason, one of the power supply 'rails' is not operating within its specified range or, simply, that there is a short somewhere in the system.
The LED state could be the result of a misconfigured or incorrectly installed system component. A bad drive, for example, may be shorting out one of the rails. Incorrectly installed memory can cause a blinking amber front panel power button LED.

Feb 05, 2009 | Dell PowerEdge 1800 Server

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AUS A7N8X -X Mother board AMDAthlon 27648 CPU No picture


if this is a built sustem out of the box with old monitor try another monitor oddly enough some arent compatible, you can check by looking at the prong patern.

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The flashing power switch and power supply LED on the rear in conjunction with a power failure or surge indicates that there is a defective component; typically the power supply, motherboard, memory, processor or modem. -Disconnect all the power supply leads, drives, and motherboard as well as any USB, firewire and other external devices. -Plug in the 115v power supply cable and look at he LED on the back of the power supply. If it is still flashing the power supply is bad and needs to be replaced. -If it isn?t flashing then unplug the power supply plug in one device, plug in the power cord and watch for the flashing LED again. If it?s flashing you?ve found your culprit, if not move on to the next component and repeat the process until you?ve found it. Don?t forget your plug in cards could also be the problem. Good luck and let us know if you have any other questions. As always please don?t forget to rate this posting.

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