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Hello, i seem to have the same problem others have. my gateway GT5628 won't start. i get the right volt readings with the power supply disconnected from everything. but when it's connected i get no fan or any thing. i am getting grounded readings at any point on the mother board i check, is that right?

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Hi jr_51,

There could be many things that could stop the board from turning on, Determining if it works is like detective work. What I do, is take everything off the board to start. Then add the minimum to start a board to see if it will start. That's one drive (cd or otherwise) the CPU, and one bank of memory. (that's not a required eliminate, but it helps avoid beep codes) Also, make sure you have your pin's set on the board absolutely correct, or that could be your problem to begin with. Now, you should get the power supply on, and the cpu. If those don't power up, it's then either one of the five elements. The CPU, Power supply, Ram, Drive, or the motherboard. The next step is to replace each one of the first four to see if you get any change. If no change, then I usually get another board that I can test the first four, and make sure that they work. After that, then I say you have a DOA Board

Good Luck and don't forget to leave a rating.

Thanks
Mark

Posted on Nov 17, 2009

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Won't bott, shut's down at will.


Steve,
Put the coffee pot on, long read. Why? I'm using your eyes to diagnose, and will state a lot of areas to look into.


1) The eMachines W5243 uses an ECS MCP61SM-GM motherboard, that is the Mini-ATX form factor (mATX)

(Elitegroup Computer Systems)

Also Gateway part number 4006233R,

http://support.gateway.com/s//MOTHERBD/Shared/4006233R/4006233Rnv.shtml

(Gateway bought out eMachines. The motherboard was made by ECS for Gateway. Now of course, Acer bought out Gateway! )

http://support.gateway.com/s/MOTHERBD/Shared/4006233R/4006233Rtc.shtml

(The above link is just in case you forget where the Front Panel wires go to, on the motherboard. { P- Front Panel Connector }, and other info that may be needed someday)

Mobo,

http://www.skyline-eng.com/index.cfm?fuseaction=product.display&Product_ID=6317

(Not advertising, just a good clear photo)


Let's start with the simple stuff first. I do have a great suspicion that the Power Supply is bad, though.

1) Is the inside of the computer dirty, to include the inside of the Power Supply?
If so it needs to be cleaned out properly. Post back in a Comment if you would like guidance.

2) Ram Memory;
Ram memory module's ('Stick') gold plated contact pins, could be dirty.
Clean them with a pencil eraser. There is a proper procedure. Post back in a Comment if you would like guidance.

http://en.wikipedia.org/wiki/File:Generic_DDR_Memory_%28Xytram%29.jpg

(You can click on the photo to enlarge)


Power Supply:

Primer;
You press the Power On button. The plastic assembly of the Power On button, in turn, presses against a Power On switch.

This is a basic ATX power on switch, that is similar to the one in the Power On button's plastic assembly,

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

The ATX power on switch is a Momentary Contact Switch. When you press it the switch only closes for a brief period.
Closing it, or pressing the Power On switch, briefly completes 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. The 5 Volt Standby power.
Closing the Power On switch redirects the 5 Volts, 'excites' the Power Supply, and turns it on.

The first chipset on the motherboard to receive power is the BIOS chipset.
The Basic Input/Output System program is initialized. (Started)

BIOS looks to see what devices are connected, 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 ]

It is because of this, and eMachines came with a low quality Power Supply, that I believe you have a Power Supply with a weak voltage power rail.

Weak voltage power rail?
Your Power Supply is a power converter. Converts the household, or business AC electricity into LOW DC voltages.
The 3 main voltage power rails it produces are;

A) The 3.3 Volt power rail
B) The 5 Volt power rail
C) The 12 Volt power rail

What is probably bad inside the Power Supply? Electrolytic Capacitors. Low quality one's were used, along with other low quality components.
(Bridge Rectifier
Power MOSFET/s
Gauge of wiring is too small, etc)

(NOT an invite to open the Power Supply, and attempting to repair it!
Even unplugged from power, the Electrolytic Capacitors inside can hold a charge for weeks, months, even up to a year, or more.
{ Not all of them will be bad )

Primer 2:
1) If ALL of the LED lights were on at once, they would 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. Just depends on what Processor it is.

This is why you may see LED lights light, and fans spin.
Enough power for them. Not enough to turn the Processor on, and keep it on.

What to do?
Is there another computer at your access, that has a KNOWN to be good Power Supply, and is Compatible?
You could briefly use it as a test unit, then put it back.

This way you know the Power Supply is the problem, and won't be wasting your hard earned money.

OR, if you have access to a multimeter, I can guide you in testing the Power Supply.
An economical, yet perfectly good enough for this test, multimeter, can be purchased for as little as $8 to $12. Available at a multitude of stores. An auto parts store is but one example.

Worried about shock?
Two D cell flashlight batteries store 3 Volts (DC)

For additional questions please post back in a Comment.
Regards,
joecoolvette

Jul 12, 2012 | E-Machines Computers & Internet

1 Answer

My PC power supply crashed, burnt resistors, Powerman IW-P250A3-1 20 pin plug to motherboard, bought new power source, but the old power source had a white cable to the 20 pin plug which was -5vdc 0.3amp....


Hello,
For your system to boot up properly, you need an identical power supply for your system. Most likely the reason why your system won't boot up right now is because you purchased a different power supply and it is lacking something(which is the other pin).
Regards

Sep 14, 2011 | Computers & Internet

1 Answer

No blue power light and doesnt turn all the way on no starting beep gateway gt5220


I would suspect a bad power supply. Before doing anything make sure power is actually getting to the computer. Check the power cord with a volt meter. You should have around 115 volts. If all is well you need to see if the power supply is putting out the correct voltage. Open the PC up and set the multimeter to DC voltage.
  1. Turn off the PC, but do not unplug it. Open the system unit. Set the multimeter to read DC volts in the next range higher than 12 volts. Locate a power connector similar to the hard drive (or CD-ROM drive connector that is unused) and turn on the PC.
  2. You can also unplug a drive connector and use it. Turn on the PC and insert the BLACK probe into the power connector on one of the BLACK wires. Touch the RED probe to the YELLOW wire on the power connector.
  3. The multimeter reading should be +12 volts. Now touch the RED probe to the RED wire and the reading should be +5 volts. If no readings or different readings occurred, you’ll have to replace the power supply. If the readings were correct, you should check the P8 or P9 connectors at the motherboard. These connectors may also be named P4 and P5. To check these connectors, perform the following:
    • Insert the BLACK probe into P8 at one of the BLACK wires. Insert the RED probe into the P8 connector at the RED wire. The reading on the multimeter should be +5 volts.
    • Check the power going to the motherboard connections by inserting the RED probe into P8 at the YELLOW wire and you should get +12 volts. Leave the BLACK wire touching the BLACK wire at the P8 connector. Check the BLUE wire and the reading should be a -12 volts.
    • Now move the BLACK probe to the BLACK wire on the P9 connector. Test the WHITE wire by inserting the RED probe and the reading should be -5 volts. Check the RED wires on the P9 connector and you should get +5 volts on each red wire. You won’t get exactly 5 or 12 volts, but the readings will be very close, such as 5.02 volts.
    • If the Power Supply is a couple of volts off in either direction, such as when the RED wire should be reading -5 volts but it reads -8 volts, or if there are no readings, replace the power supply. Curtorsey: IT Professionals

Mar 09, 2010 | Gateway GT5220 PC Desktop

2 Answers

Gateway 4016 will also not boot.


Certainly could...when all else fails check the case. I had an issue like this with my last computer. Turned out to be the case. A friend of mine had the same issue and his turned out to be the video card...it was drawing more power then his PS could handle. Either way it sounds like your on the right track.

Nov 19, 2009 | Gateway GT4016 Desktop PC

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B&D 400W Inverter won`t run my laptop


even the smallest inverter can run a laptop, something is wrong with this unit

Jul 25, 2009 | Black & Decker 1000w Power Inverter

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OPEN RAM SLOT AND CLEAN IT THEN PUT

Mar 20, 2009 | Gateway (4000811) Motherboard

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Power supply installation in gateway 610xl


to replace a standard ATX powersupply;

remove left hand side cover (ensure power is disconnected first);
disconnect the 20.24 pin primary power plug (big wide white one plugs directly onto the mainboard, also disconnect the 4 pin AUX power plug, looks just like the other one but is a smaller square shaped plug (older P3 boards will not have this)

disconnect all 4 pin power plugs from hard drives/cd drives and aftermarket fans (if any are installed), disconnect SATA power plugs from any SATA devices installed (flat black plug, 4 wires)

disconnect floppy drive power plug (if app) small while 4 pin power plug, once all of these are disconnected, looking at the rear of the computer there will be 4 screws holding the power supply in place, one screw will be more to the centre slightly to ensure you do not put it in upside down, once you remove those screws the power supply will slide right out.. simply re-do these steps in revers for instaling the new power supply


David

Feb 28, 2008 | Gateway Media Center 610XL PC Desktop

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Problem with starting


read on a forum that changing out c316 1000uF will fix the problem, mine will not turn on now, seems to have gotten worse over time. I will change the capacitor from 1000uF 10v to 1000uF 16v.  Look at your capacitor, mine looks like its ready to blow.  Most other capacitors on the board are rated at 16 volts.  I will be changing out the cap. to see if it works.

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