Question about Gateway GT5662 Desktop PC

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Power light on power supply is on, but won't turn on when you push the power button on the front of the computer. No fans run nothing.

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  • Gateway Master
  • 5,660 Answers

Bad Power On switch. (Located inside the plastic Power On button), or Bad Power Supply. Weak voltage power rail.

Bypass the Power On switch to see if the switch is the problem, or the Power Supply.

To perform this procedure you will be using a jumper wire to touch the Soft Power On wire's terminal contact, (PS_ON. Green wire), to ANY Ground wire's terminal contact, (Black), in your 24-pin ATX main power cable's connector. Brief contact, no more than 2 seconds.

Main power cable remains plugged in. The jumper wire can be a paper clip straightened out, then bent into a U-shape. The bend of the U is wrapped with electrical tape.

The legs of the U go down into the socket holes of the Green wire, and ANY Black wire. (ALL Black wires going down in that connector are Ground wires)

You have to make sure the jumper wire touches a metal terminal contact, that is down at the bottom of the wire.
The jumper wire is slid down next to the wire, in the socket hole.

The voltage is 5 Volts DC.
Two D cell flashlight batteries produce 3 Volts DC.

1) http://support.gateway.com/s/PC/R/1015003R/1015003Rnv.shtml

2) http://www.playtool.com/pages/psuconnectors/connectors.html#atxmain24

Posted on Sep 30, 2010

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Not sure just what you mean. If your computer is plugged into the wall and the power is turned on, the power supply should be on and the cooling fan turning. Also, the CPU fan should be turning and the hard drive should spin up.
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A) When you hold a Power On button, (Switch actually), in for a count of 10 seconds, it turns the computer off.

(There is a Power On switch, located behind the plastic Power On button. Usually, the Power On switch snaps into the housing of the plastic Power On button.

Example of a typical ATX Power On switch,

http://www.directron.com/atxswitch.html

The Power On switch turns the Power Supply on.

Old computers had a metal rod, that when the Power On button was depressed, the button pushed against the metal rod, which in turn pressed against a power switch located inside the Power Supply.

The design after that, was a power switch located in the Front Panel. (Plastic front of the computer) A large cable, (Wire) ran from the switch to the Power Supply.

Now there is the Soft Power On feature. (PS_ON)

The Power On switch is a small Momentary Contact Switch. Pressing it closes a circuit. The Soft Power On circuit.

When a power supply is plugged into power, there is a constant 5 Volts (DC) present.
This is the 5 Volt Standby.

Closing the Soft Power On circuit, redirects the 5 Volt Standby power to a circuit within the Power Supply.
This in turn 'excites' the Power Supply, and turns the Power Supply on.

Sorry to be windy, but I wanted you to know how the Soft Power On feature works )

eMachines are a budget computer. As such they save the consumer money.
However in order to do this, the manufacturer will install low quality parts, in some areas of the computer.

One such part is the Power Supply.

1) ALL the LED lights combined use less than 1 Watt of power.

2) EACH fan uses 2 to 3 Watts

3) A typical Processor can use 51 to 125 Watts.
Depends on what Processor it is.
(Had you stated the Model Number I could have told you)

Enough power to spin fans, but not enough to spin fans, AND turn the Processor on.

Do you have access to another computer that is unused, but has a Known to be good, Compatible power supply?
It could be used for a test unit.

Tell me the Series, and Model Number of your eMachines, and I'll tell you what Wattage it should have, and what power cables, for the Power Supply.

(Some examples of Series, and Model Numbers, T1090, E4264, W2925, and so on. The T, E, and W are a few examples of the Series letter.
The numbers following the Series letter, is the Model Number)

If you wish I can direct you in removing the Power Supply, and installing the test unit. (And/Or a new Power Supply)

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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/

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Either the new power supply you purchased is not functioning correctly. But, assuming it is now that you are getting some form of power to your PC, it is very likely the motherboard. Whatever fried your old power supply (or it could have just been the power supply itself) most likely fried your motherboard in the process. Probably not the CPU since the MB can't even post.

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