Question about EliteGroup 755-A (ECS 755-A) Motherboard

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Where i can put the power switch on board - EliteGroup 755-A (ECS 755-A) Motherboard

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Go here and download manual (a PDF file):

It will have a diagram on where the power and other switches, and other connections go.

Posted on Jul 20, 2010


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Samsung TV Makes Clicking Sound and Won't Turn On

Did you repair the power on power off switch I think that would be the only item needing replacing
I once had this same issue and went replacing the power supply board
Mine ended up only needing the power switch replaced so I got to return the board and put the old one in
Usually if you give the old board up when buying a new one a generous amount of money is taken off the new board price and this is done for any and all boards I have ever replaced in any item
I would try to see if you fixed the issue with your new board if not try the power switch that should fix the problem for less money

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The on/off switch is not working. The only way to turn it on and off is to unplug and plug it back in.

Hello sir/ma'am, hi! here are my likely solution to your problem:
Let start with the easy one: 1. the power supply switch, you may need to feel the switch, like a click or a snap when you press the power button, if this feeling is not present on your switch, this may need replacement. OR
the serious one: 1. You may need a replacement power supply board. the thing is we don't usually replace the bad component, but the whole board, due to modular construction. so if the power supply board is the problem this goes out and put in we then put in a new one.
The defective board goes back to service and testing, if given back to the manufacturer, this takes a lot of process.

Oct 23, 2010 | Philips Magnavox 15MF400T 15 in. LCD...

1 Answer

After 1 -2 hours watching tv hear a pop and set goes off. Cannot switch it back on at power switch but when you pull out the power cable wait 30 seconds and put back in the set comes alive again. Once it...

No,the effect will take longer and longer to turn on tv and dies all together later on.Power supply board have parts call capacitors,have problems.These capacitors parts on the power supply board are dying and have leaking gases.The board where the power a/c cord plug into it.That the power supply board.Searches the power supply board.U now basic eclectronic's,have tools and know basic slodering?These dying capaciitors parts are alway bulges up on it tops or puff up on it tops,must be replaced.Or tries websites like, to buy a whole refurbish power supply board for the replacement.

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Can you help me locate the power switch and reset slot on my samsung polaris 33 motherboard?

I told another guy the same thing about a different board. Samsung doesn't even acknowledge mother boards because they sell generic boards to pc makers. Best way is to take the power wire from the case & start at the pins closest to you on the front panel connectors (fpnl on the board) & try each set of pins one at a time until it turns on when you hit the power switch. The reset is usually right across from the power. I've had to do this numerous times,so don't worry about frying anything.

May 14, 2010 | Computers & Internet

1 Answer

Motherboard wire hook up I pulled the wires : Power LED, Power SW, H.D.D. LED off the motherboard, don't know the pattern to put them back on.

its simple, start from left power led next to power led is power switch, just below power switch put hdd and next to hdd put reset . thats it done.. all boards have the same module.....

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1 Answer

Fans run without turning on front switches

Hi Gene,

If you've installed the cpu and hooked the fan to the power supply plug, which is just left of the cpu mount, then the board if connected to the power supply cables, it should start up. Regardless of the front switches. However, you probably don't want to start plugging in the power cord until you have all of your components in place and ready to close up the case. First you can create a shock by just touching the board and that can damage the board. (I speak from my own experience :-( .

But once you get the power switch plugged into the board that should take over turning the rear power supply on and off (Including the cpu fan)

Good Luck and don't forget to leave a rating, based on my solution.

Thanks Mark

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My Power Button is pushed all the way in, can I repair it myself?

Below is an exploded view of Power Switch and board section and I hope will help you to fix power button issue.


Power switch board has one screw to open it and you will remount power button and put back in power board in unit.

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Power and reset switch and hdd led layout on P4Vmm2 mother board

[10][ 9] Pin 1 = +HDD pin 3 = -HDD LED
[ 8][ 7] Pin 2 = + POWER pin 4 = - power LED (SPD)
[ 6][ 5] Pins 5 & 7 = reset
[ 4][ 3] Pins 6 & 8 = Power switch
[ 2][ 1]

Hope you find this Useful


Nov 19, 2008 | EliteGroup P4VMM2 Motherboard

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