Question about DFI LanParty KT400A Motherboard

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Red lights on board

I replaced the caps that gotten damaged and now when I plug the pc up it lights green. When I press the power button they turn red. What is causing this? Also where can I get the diagram on how to wire this board again to make sure i have it correct

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I never had green lights on my motherboard, they have always been red and it runs fine. the mother board was made with red led lights. if its not working right, it's probably the switches on the mother board, normally make the first switch on, and the other 3 off.

Posted on Jun 20, 2010

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Shut down my PC, unplugged it, moved it to new location. Plugged it back in and it would not power up green light on the ASUS P4P800SE would not stay lite. Replaced power supply, green light on the mother...


Remove cmos battery and then replace it after 3 mins or so,
Try rebooting
If no luck, remove ram modules one at a time and retest
unplug all but hdd and power connector to mobo, cpu and hard drive and retest.

failing that, could be a surge of electricity has damaged your mobo

Jan 11, 2011 | ASUS P4P800SE Motherboard

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A computer with a D101GGC motherboard does not start. There is no beep or monitor singal. The fan is okay. As soon as the power is connected to the computer, the red drive access light comes on, but not...


its a common problem with intel D101GGC motherboard, just open the case and unplug the dvd power cable and data cable, then turn on the PC it will work fine.

Jan 09, 2011 | Intel D101GGC Motherboard

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Computer will not turn on by outside push button. When it is plugged in and looking at the motherboard there is one green light on the board and thats it,if I push the test button on the power supply a red...


You can remove components from the pc and try to switch it on and see if it works.

eg.I would try a different power supply.
Then try different ram,
Then disconnect the Harddrive

If when you remove a component the pc starts, it's that component thats the problem

Dec 20, 2009 | Intel Motherboard

1 Answer

I had a keyboard failure on start up


The error message indicates you posted (power button green, video on the screen... keyboard failure error message). But your comments indicate the power button is yellow/orange. That indicates a "no post".

If the power button is yellow, disconnect everything from the motherboard, but the connections for the power supply and control panel (power button). Turn it back on.

If you get a green power button, and the system beeping at you add the memory back in. All four slots MUST be filled!!! If it's still green, add the video card back in. If that works, keep adding things one at a time until it either works, or you know what's causing the problem.

If you get a yellow button, check your heatsink. You just replaced the motherboard. You might not have gotten it right the first time. If everything is tight, and all the power connections are tight and plugged in (if I remember right, there should be a 20 pin and a 4 pin connector), it might actually be a bad board. Try swapping the old board back in and see if you get a different response (if so, the new board is bad).

Dec 19, 2008 | Dell (F2273) Motherboard

1 Answer

Connector pulled off power buton wires


Hi ford, the most common case colored wires used for negative - is white. The colors blue, red, green are usually positive +. The internal speaker though it uses a 4 pin connector only plugs onto the 2 end pins. Black is connected to negative - pin & red is connected to + positive pin. (Depending on the MB model).
All these case LED's use 5volts DC. If you make a boo-boo, don't freak out. You can usually shut down the system & turn the connector 180 & re-connect it with out hurting the board. Suggest you connect 1 at a time & check in-between each.

Still having trouble, include the name & model number of the MB.
Good luck!
Mike

Sep 28, 2008 | Motherboards

1 Answer

Red light and monitor will not start up


you need to shut down the computer and pull the power cord off powersupply then remove the wire harness that goes on to the mother board then press the and hold the computer on button for 3 seconds then plug in the the harness back on the mother board and and plug in all power cords then try to turn on the computer it should give u a beep or the monitor should go from orange to green good luck e-mail me if u want tbirdfan1@yahoo.com

Aug 07, 2008 | Intel Motherboard

1 Answer

Wont post.


Try a few things for me OK? From what you typed, turned on the psu "the toggle switch on the psu", pc seemed to be starting up. I need you to keep the toggle switch on the power supply in the on position. Press and hold the start button on the PC case to shut it down. Give it a few seconds & power up by pressing the power switch on the case. Notice a differance? Next, unplug everything connected to the pc expect the monitor, mouse & keyboard. Try to boot. Still no? Remove the side of the case exposing the board. Turn the psu off by flipping the toggle switch on the psu, wait till the green light on the board goes out. Grab the Mb ( I know it's tight in there) and see if you can move the board in any direction. Not loose? Re-check all data & power connections for a solid connect. Re-check your case to Mb connections. Also check the PSU, there is a red slide switch it should be set to 115v. Post your findings..
map

Jan 28, 2008 | ASUS P5ND2-SLI Deluxe Motherboard

1 Answer

Jumpers problem


170dd8e.jpg This is a jpg of a modern board. Your board may have more pins. The concept is close. Any difference would be located at the Power led. Your's could be three pins & the speaker could be three pins & neither connector would use the middle hole. I suggest you plug in one connector at a time with a boot up in between. Start with the power switch. Testing is simple, press the case power on button. Pc starts your good no light? Turn the connector around & try again. Next plug in the IDE led. Check for light on power up. Most boards, old & new keep their negetive facing to your right. These negetive wires are colored black & wihte. Positive wires are colored green, blue & red. As long as you do 1 connector at a time you should not have a problem. These are all very low voltage, most just leds. Take your time. It will work out.

Jan 14, 2008 | Matsonic MS8127C (MBMS8127C) Motherboard

1 Answer

Power LED on but no boot up


it could be your power switch, veriy that it isnt the power supply by

1.) un-plug it from the main board
2.) look at the main board connector(one coming of the power supply)
3.) you should see green wire and next to it a black one
4.) using a paper clip bridge the too wires
5.) if it works proceed to net step if not get a new power supply

to check case switch and board switch

1.) plug in power supply to main board
2.) look at the pins where the power button connects to
3.) using a metal object (blade screw driver) bridge the pins

if the board should start up>
then its your power button on the case that is bad, you can try to repair it, chage it or buy a new case,

if it doesnt work.
1.) ensure that jcms(jumper to flash the bios) is set correctly
2.) unjack each drive one at a time to see if any is causing stalling
3.) get a new main board

Jan 02, 2008 | EliteGroup L7VMM2 Motherboard

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