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If you are using latest system you need

Ac input : 220vac 3a 50hz

450watt minimum
Atx 2.03
Atx 12v

Dc output
+5v 28a -5v 0.6a
+12v 15a -12v 0.6a
+3.3v 16a +5vsb 2a

Posted on Apr 16, 2008

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Replaced graphics card now monitor and keyboard does not work

Need to know;

A) What is the computer manufacturer name, and model number,
what is the motherboard manufacturer name, and model number?

B) What is the manufacturer and model number of the graphics card?

C) Am I to understand you replaced the Power Supply?
1) Manufacturer name and model number of it also.
2) Is it new, or pulled from another KNOWN to be working computer?

D) What was the original problem?

1) Want to make sure it's the correct graphics card for the motherboard.

2) Want to make sure you have enough power out of that Power Supply, to not only support the graphics card, but the rest of the computer system also.

Motherboard, Ram Memory, Harddrive, Optical Drive/s, Fans, etc.

3) Need to know about the original problem, to help determine the solution.

I need All questions answered. Post back in a Comment.


Mar 01, 2013 | Computers & Internet

1 Answer

Need help from someone who has a Gateway GM5072 Desktop

Monitor, and monitor cable has been checked out, on another KNOWN to be working computer, and check good, check the Power Supply.

1) Yes I know logic dictates graphics should come next, after checking the monitor, and monitor cable.

2) Yes I know LED lights are lit, and fans are spinning.

Hear me out;

A) If ALL of the LED lights were on at once, they would use less than 1 WATT of power.

B) EACH fan uses 2 to 3 Watts of power.

C) A typical Processor can use 51 to 125 Watts of power. Just depends on what Processor it is.

Gateway GM5072 Desktop PC?

Specifications >
Processor: AMD Athlon 64 X2 4200+

Look under TDP in the chart. (Thermal Design Point)
Can use Up To 89 Watts.

Your Power Supply could have a weak voltage power rail.
Not enough power to turn the Processor on.

(There are 3 main voltage power rails;
A) 3.3 Volt power rail
B) 5 Volt power rail
C) 12 Volt power rail
Your Power Supply is a converter. Converts 100 to 240 Volts AC to the low DC voltages presented above.
{In comparison two D cell flashlight batteries store 3 Volts DC )

No Processor operating, no computer operating. No computer operating, there isn't going to be a video signal produced by the computer.
This = No Signal on monitor, or monitor goes into sleep mode.

You press the Power On button. The plastic assembly of the Power On button, presses against the Power On switch contained inside it.

The Power On switch is a Momentary Contact Switch.
The brief closing of the Power On switch closes a circuit.
The Soft Power On circuit.
(Abbreviated as PS_ON)

When the Power Supply is plugged into power, there is a constant 5 volts present, in the Power Supply.
The 5 Volt Standby Power.

Closing the Power On switch briefly redirects the 5 volt standby power, to 'excite' the Power Supply, and turn the Power Supply on.
(Sounds like a steamy novel, huh?)

The first chipset (I.C.) to receive power is the BIOS chipset.

The Basic Input/Output System program is initialized.
BIOS looks to see what devices are installed, does a Ram Memory count, TURNS the Processor on, and hands the computer over to the Operating System.
(Windows XP and Windows 7 are two examples of an O/S.

The TWO main problems for desktop computer failure, is the computer is dirty inside, and Power Supply failure.

Do you have a multimeter, or access to one?
If not, do you have access to a KNOWN to be good, Compatible power supply, that you could briefly use for a test unit?

[An economical multimeter can be purchased for around $5 to $12. Available in a multitude of stores. An auto parts store is but one example. A lot of chain stores carry them. ]

Let's check out the power first. Post back in a Comment.


Aug 15, 2012 | Gateway GM5072 Desktop PC

1 Answer

Have a e machine fan runs but connect monitor to another computer it works. smell a burning smell when turn on pc. Got it to come up once by unplug power hold on button 45 seconds plug in and turn on came...

The smell is the Power Supply.

Typical example of a Power Supply not installed in a desktop computer,

This is not an example of a direct replacement Power Supply for your computer. I would need to know the Model Number of your eMachines to give exact information ]

Bad Power Supply. Weak voltage power rail. (Or rails. There are three main voltage power rails for a Power Supply used in an eMachines desktop computer)

Enough power to light LED lights, and apparently spin fans, but Not enough to turn the Processor on.

Watts = Voltage times Amperage.
One measurement used for measuring the maximum available power output, of a desktop Power Supply, (SMPS. Switched-Mode Power Supply), is to state the Maximum Wattage available.

Typical maximum Wattage available for a typical eMachines Power Supply, usually averages from 150 to 300Watts.

1) ALL of the LED lights on at one time, will use less than 1 Watt of power.

2) EACH fan uses 2 to 3 Watts of power.

3) A typical Processor can use 51 to 125 Watts of power.
Depends on what Processor it is.

(Note* Intel Pentium II processors use less than 51 Watts)

Solution is to replace the Power Supply.
This isn't as hard as it 'sounds', if you have never performed this procedure before.
I know you can do it.




If you need guidance in replacing the Power Supply in a step by step for your eMachines, please post in a Comment. (Believe upper right of your page)

Should you also desire recommendations to compare for a Power Supply, I would be happy to provide them.


Dec 01, 2010 | E-Machines eMachines Desktop PC

1 Answer

I turn on the power of my computer and it shows the compaq name then goes to a resume windows that is highlighted and when you click on it the screen goes black and the computer does not load

I suggest you have Power Supply problems. A failing power supply will emulate all kinds of software problems.

Let's start with the easy stuff first.

How dirty is the computer inside, and the Power Supply? Has the inside of the computer, and the Power Supply, been cleaned on a regular basis?

(Computer off, and unplugged from power, computer case open. A can of compressed air is used to clean)

From there I would suggest testing the Power Supply, (Requires a multimeter, or a power supply tester), or replace the power supply with a known to be good unit, for a test.

To summarize:

Let me know if the computer is dirty inside, and if you need guidance on how to clean it. (Power Supply also)

From there, if you wish I can guide you on testing your power supply, or replacing with a known to be good unit, for a test.
Simply state in a Comment.

This is HP Support, and the download page for a manual which instructs on how to open your computer case, (Page 118)

With this manual I can also guide you in replacing the power supply.

Why do I think it's a power supply issue?

You don't have enough power to turn the Processor on.
Power Supply's are rated in Wattage.
Voltage times Amperage = Wattage.

1) ALL the lights require less than 1 Watt of power.
2) EACH fan uses 2 to 3 Watts of power.
3) A typical Processor requires 51 to 125 Watts of power. Depends on what processor it is.

The Compaq Presario S4020WM Desktop PC, comes with an AMD Athlon XP 2400 processor. (2.4GHz)
When operating at full capacity, this processor can use up to 68.3 Watts.

You have enough power to turn on lights, and spin fans, but not enough to turn the Processor on.

Apr 14, 2010 | Compaq Presario S4020WM PC Desktop

2 Answers

I need an ASTEC power supply model SA147-3506 for IBM P-2 computer, Can anybody help me??!!

145 Watt power supply with the old style AT motherboard power cable connectors. (2 Each)

I just put Astec SA147-3506 in my browser search bar, and came up with a number of search hits. Prices ranged from $50 to $170!

And it's a 145 Watt power supply! Astec is a cheap quality power supply manufacturer, to boot!

You know, there is a way to use a newer reliable power supply, and the AT power supply motherboard connectors, off of the power supply you have.

It's not for the squeamish, but can be done.

The power wires are removed from the ATX power supply motherboard cable connector, of the new power supply, and inserted into the AT power supply connectors.
(ATX 12V power supply is the newer one. AT power wires removed from the P8, and P9 connectors of your old power supply)


Jan 20, 2010 | Computers & Internet

2 Answers

My computer won't come on.

Lilyoungun8, you need to be a little more specific; Check these:

1. Is the power from the mains turned on?
2. Turn it off from the wall socket and push the power cable back in, it may be loose. Then try turning it on again.
3. Hopefully it is none of the below, but if none of the aboe 2 things work, it may be one of these in increasing order of importance:
3.a. Your power cable is faulty - you will need to replace it
3.b. Your PC power supply is shot - you will need to replace it
3.c. Your motherboard has died - you will either need to replace it or buy a new PC altogether.

Do let us know...

- Quirino

May 22, 2009 | eMachines T6420 PC Desktop

1 Answer

Ac power low alert when computer boots up

It means your power supply is failing. If you need the computer, you should replace the power supply before it fails completely.

Apr 26, 2009 | Dell Dimension 8300 PC Desktop

1 Answer

My tower will not turn on

It sounds as if your power supply is having issues, I would recommend replacing it.  If your good with computers, you can test the power supply: 1. Open the computer tower. 2. Find the main plug which runs from the power supply to the motherboard. 3. There should be 16 wires. 4. Find the green wire, short it to the black wire with a paper clip. 5. If the computer seems to turn on, its your motherboard having issues and you will probably need a new computer.  If it does not turn on, your power supply has failed, and you need to replace it.
I hope this helps!

Apr 03, 2009 | Acer Aspire L100 PC Desktop

5 Answers

Pacco group ix my ciu p4 2.66ghz 15" tft

hello i got the same problem like u,but the thing is i call some1 2 check my p.c and he took my power supply and never give back 2 me,can u let me know that serial # or any info about the power supply....thanks or if u bought 1 4 u...........

Jul 10, 2008 | R.A.M. Computers IX PACIUP4240 15'' LCD TV...

2 Answers

My mother-in-law has an HP 367C desktop that when she press the power button to turn on, the light comes on, but the computer does not boot, no sounds are heard, no clicking, nothing, and then the light...

This can either be the power supply or the motherboard. Get the power supply tested and replace it if necessary.

If this is not the problem, then get back to me.


Apr 18, 2008 | Computers & Internet

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