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Power supply connections - Acer Aspire 5500 5570-2609 Laptop

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  • Jon Hunter May 11, 2010

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Does a ATX power transformer makes the difference of watts of a power supply unit of a computer? Exactly I am planning to improve performance of my pc's ATX power supply unit. Trying to attach another...


NO NO NO... PC power supplies are switching supply's. The transformers use high voltage to drive other components. Increasing the power out of the supply will require you to upgrade the power supply to a higher wattage output.

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There is no power switch on the enhance atx 1123b that I have . What actually powers it up?


Just about every power supply I've owned doesn't have a power switch. The power supply is turned on by one of the wires in the 24 pin connector. According to this it looks to be pin 16 and how to turn it on:

"Short this pin to GND to switch power supply ON, disconnect from GND to switch OFF."

Hope this helps

Ray

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1 Answer

How can you tell if a Dell power supply for a PowerEdge 2900 is good? Should the lights at least indicate when power is connected even with the PS is removed from the machine? How do you best determine if...


You cannot test the power supply on the bench just by connecting it to the mains power. You need to know which pins on the connector to activate the power supply and you need to connect a load to the power leads.
The best way to test the power supply is to leave the power unit connected to the computer power up the computer and test a spare 4 wire power connector with a multi-meter. Leave the other power leads connected to the various drivers.
If computer's power LED should light up then test the voltages.
The Red and black wire should read 5 volts.
The Yellow and black wire should read 12 volts.
If the power LED does not light up, check the mains lead in another appliance to see if the mains lead is OK.
If the mains lead is OK then most likely the switch mode power supply has died.

Dec 28, 2010 | Dell 930-Watt Power Supply

1 Answer

I HAVE A PROBLEM WHIT CONNECTION OF PHILIPS "POWER


Hi.
Send me Your e-mail address.I can send scan of operating instructions.

My adress: slaweksci@op.pl

Best Regards

Nov 06, 2010 | Philips POWER SUPPLY (41644158) Power...

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Replaced the power supply now put power onto the motherboard but when it is switched on the fan does not work and the power button is blinking red


There seems to be a faulty connection somewhere, make sure the power supply has a connecter for your motherboard to give it some power.It all depends on the type of power supply you have aswell and the motherboard you are using , If your power supply does not have a connector for your system fan port on your mainboard then you should either change your motherboard or your power supply, If you refereing to a System chassis fan the see if you can try to connect it directly to one of the molex connectors on your power supply.

Jan 15, 2010 | Compaq EVO D5S SFF Refurbished Desktop...

1 Answer

When installing the power supply on the emachine t4510, where do all of the plugs need to be placed. i got one that didn't have a power supply. i picked up a power supply and i'm not sure if i pluged it in...


there is a big white connecter in smps (powercable }it connect in board. there is power cable need for optical drive/ hard disk/ from smps we supply in only bord / hdd/optical/ we connect cpu fan from bord.

Oct 14, 2009 | E-Machines Bestec ATX-300-12E Rev. D 300w...

1 Answer

I have an old e machine 500 (origional operating system was windows 98). I am replacing the ATX switching power supply , 230 wat, model lp6100a. My problem is connecting it. I know all the connectors...


The old AT power supply that these old computers uses has two six pin socket connectors and these are different to the ATX connector.
You cannot buy these power supply now, most likely you might find one/computer in a junk shop.
If you have electronic knowledge you might be able to cut off the connectors from the old power supply and connect it to the ATX power supply and modify the ATX power supply so you can switch on the power to the old computer. The old AT power supply uses a mains power switch whereas the ATX uses low voltage to turn on the power supply.
Good luck & have fun.

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1 Answer

Hercules switching power supply 500 wat max


yes 20 pin connecter power supply is ATX(advance technology extended )power supply and old which was low watt and 24 pin is EATX (enhaunced advance technology extended) power supply is new and high watt so 4 pin connecter can be detached from 24 pin connecter and can be fitted in 20 pin connecter

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1 Answer

PSU problem


The total connection is two part if you disconnect 20*pin one part then four part is other part. when you connect 20 pin in mother board .the four pin connect anther port. then the power supply is on.

Jan 24, 2008 | Computers & Internet

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