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Power light which is green on power supply is on, but when push in the power button on the front of the machine, it does nothing and the green light goes out. I have to then unplug the the power cord and plug it back in and its green again.

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Chaque pwr sw pin in ur cpu

Posted on Nov 21, 2008

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HP pavilion a705W pc desktop/ on back by power plugin, green light is on, push power button to turn on, light goes out and nothing happens. I opened panels and observed light again on back lite green and...


if you have installed a new hardware, that might be the cause. specially if it is a video card. The wattage of your power supply might not be enough to run the computer. try to remove newly installed hardware such as video card. If there is none, you may try to remove the power for the hard drive and the dvd drive and check if it will turn on. Just bood in to bios..

if that works, then it definitely is the power supply. it cant provide sufficient power to your equipment..

hope that works.

regards.

May 07, 2011 | HP Pavilion a705w PC Desktop

2 Answers

My Compaq Presario SR1250nx will not turn on. The power chord is attached and power strip is turned on. I've also tested on a stand alone outlet to ensure it wasn't the power chord. A little green light...


Looks like your power supply's failed. The green light on the back of your power supply is just a neon light that just confirms that the power lead is OK, it does not relate to the status of the power supply! Try powering it up with another power supply, or replacing the power supply.

Oct 14, 2010 | HP Compaq Presario SR1250NX (PJ534AA) PC...

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Computer does not power up. The green light on the back of the PS does not come on. I have 120 volts at the plug but when plugged into he power supply and push the power button on front of the computer...


make sure the switch on the back of the power supply is set to 120 volts , does the power-supply fan come on? if not it may be the power supply they are pretty inexpensive and not too dificult to replace

Sep 17, 2009 | PC Desktops

1 Answer

Yellow Light


Emachines are bad for having failed power supplies and motherboards. Test your power supply, watch this video.
http://www.metacafe.com/watch/729606/how_to_test_your_computers_power_supply_psu/

Aug 03, 2009 | E-Machines eMachines Desktop PC

2 Answers

Dell 5100 won't come up after memory swap


Did you make sure that the power supply was off and or discontected from power source before opening the case?

It is possible that you have fried something by having a static discharge either from you hands or the vacume cleaner hose. Have you checked the correct installation of the memory make sure you are putting the original memory in dimm1 and dimm2.

Also check that the power button is still connected to the mother board just follow the wire from the back of the button just to be sure. Also check that the power switch on th power supply is on.

Link is to manual
http://support.dell.com/support/edocs/systems/dim5100/en/om/T8144bk2.pdf

Jan 28, 2009 | Dell Dimension 5100 (D51L1) PC Desktop

1 Answer

Computer will not turn on


May sound strange, but is the power supply switch in the correct position?
If the button is pressed, makes your continuity test, and not even the fans come on, check that the switch jumper has not come loose from the motherboard, and finally, if the motherboard is plugged in and no fan comes on when you push the power button, there may be chipset damage from an electrical surge or overheating.
In this case, a new mobo is your only option.

Jan 20, 2009 | Dell Dimension 4600 PC Desktop

1 Answer

New power supply


CHECK YOUR POWER CORD CHECK YOUR ELECTRICITY THAT LINE IS WORKING

Sep 27, 2008 | Gateway 830GM PC Desktop

1 Answer

H2862 Will not power up


This is a common e-machines problem. You were right to change the power supply. Most e-machines come with dangerously (fire balls shooting out the back) low powered power supplies that can even catch on fire. Most people install their power supplies for e-machines backwards meaning they put the 20+4 pin connector in the 4 pin connector next to the processor and it fries. Others don't do anything and the computer is just fried. It's one of the reasons no one should buy an e-machine. If you want someone to fix it for you or you want a new machine and your files transferred go to www.mindblowingidea.com/ComputerRescue and you can get PCs with XP Pro or Linux.

Dec 09, 2007 | E-Machines eMachines Desktop PC

2 Answers

E-Machines 2862 Dead On Power-Up


I believe that the front button is not connecting to the switch for the power supply. Also make sure all internal connections are secure. Sometimes the button breaks from behind so that it cannot contact the switch. Let me know if it helps. There are other solutions if you tried this one first. 

Nov 01, 2007 | E-Machines T2682 (000002965) PC Desktop

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