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Power not supplying to motherboad...

Power do not supplies to motherboad... it goes to one half of motherboad... and the light that turns on when power cable is inserted it dosnt turn on... and battry not charging.. eather the lap power on... how to fix...

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 624 Answers

SOURCE: no power on my VT-300ATX powersupply

If you're trying to just plug in the wall power cablem without connecting the motherboard it will not work. Switching power supplies need to detect a load (device) otherwise they will not put out power. Safety feature.....

Posted on Apr 05, 2007

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SOURCE: Pioneer PDP 5030 power supply problem

Ok here's how I manage solve the problem... Having the back removed opens the contacts on the interlock switch so I guess if it powers up in this state it senses the high voltages are exposed and for safety shuts down... After this the unit will not power up and the power led flashes red continuously as described before…
After some thought it occurred to me that there may not be a problem at all, just be a simple reset function for this condition… I managed to find an easy solution to this… Just call up the hidden engineer’s service menu – On 3rd generation Pioneer Plasmas it’s as follows > Power down the screen > Hold down the “Input” and “Vol +” buttons on the front > Power the screen up and the Service menu comes up on the screen > You don't need to change anything just simply power off and from then the screen should operate as normal…It did for me so I’m well happy now!!
I hope this information will help someone else one day – Good Luck!!…Rob UK…

Posted on Jan 04, 2008

  • 1 Answer

SOURCE: compaq power supply HP212 (old)

If connector have two big brown wires (pins 1 and 11) and a small brown wire (pin 2). then short circuit the small brown wire with a big brown wire (pins 1 and 2).
Also short circuit the small black wire (pin 16) with a big black wire (pin 17).
Ps. The Power Supply needs a minimal load ex: 1A.

Posted on Jan 30, 2008

SOURCE: DELL XPS M140 POWER ISSUE

Hi brendanram!

I am claudus_07 and i was a Dell - XPS Technical Support Specialist before so i will be glad to assist you with your concern.

As you said into your post, you tried plugging the AC Adapter to the power source without plugging the other end into the XPS laptop and the Green Light on the adapter is lit. But when you plug the jack on the laptop, the Green light is out. As for my experience on your laptop, there could be a problem with the power supply or the motherboard of your XPS laptop. Because everytime you plug the adapter to the laptop, the green light is going out so it means that the laptop or the adapter is grounded.

Here's what you need you to:

Step 1: Call Dell XPS Technical Support 1-800-624-9896
Step 2: Tell them the issue and the things that youve done.
Step 3: At the end of the troubleshooting, i know that the Technician will either replace the Power Supply, Motherboard, or the Adapter. (if you have a friend that has a Adapter same as yours, you may try to use it just to isolate the issue the Technician will choose from the Power Supply or the motherboard)
Step 4: If the Technician replaces the power supply and the issue still persists, call technical support again and ask them to replace the motherboard, no need to repeat the troubleshooting steps anymore just tell them that youre already done with it. (Dont ask for a system exchange, because i know that they will not give what you want.)

--------------------------------------------------------------------------------------------
Thanks!
I know it will work. Be Positive!
Your good rating will be very much appreciated.

Good luck and thank you!

- claudus_07™
romaragregado@gmail.com
www.romaragregado.tk

Posted on Jul 27, 2008

latinmcgyver
  • 208 Answers

SOURCE: Dell Dimension 4400 Won't Turn On

inside the pc there should be a green light. called flea light. if its not on.. then id say motherboard or power supply are bad.
take power cord off. and hold power button down for 10 ecs. then reconnect and retry. i think its abad psu.

Posted on Oct 10, 2008

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1 Answer

Bottom half of the screen is faded in color


Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electronicshelponline.blogspot.com/
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If you still can see the LED light, it commons when a problems with your motherboad. Otherwise when no light at all, then check out your power supply.

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When I plug my computer up nothing comes on but the green light on the motherboard but when I plug the power supply to the motherboard half way in the processor and the power supply comes on but its like...


This is really poor practice and an excellent way to destroy a motherboard.
You should always have the board connectors plugged in before turning on the power supply, otherwise you may be blowing ICs left and right. It's perfectly OK to plug the supply into the wall or turn on its power switch with the board connectors in place. Also, nearly all modern boards have a set of pins that go to the front panel 'power' switch which does not switch AC but sends a logic signal to the power supply to turn the rest of the voltages on. Those pins have a 5V potential on them that is typically grounded to tell the supply to turn on.
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the problem of power off after startup can be caused by:
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  2. Cpu fan problem, the CPU temperature is abnormal
  3. faulty motherboard
to solve this problem, first change your ATX power supply unit with the same power rate. then clean the radiator and the fan. if the problem still not solved change your motherboad.

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Hello,

Your power supply board is dead, u know basic electronics’ and soldering? Most of the times, the power supply board just have dead leakages gases capacitors.These capacitors always bulges up on it top,or puff up on it top.Replaced these gases leakages capacitors will get your TV power stable,and work again.Or tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.
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Its a power supply issue you might want to exchange the PS3 for a new 1 at www.sony.com

Rate my Solution Please
I tried my best.

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