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Power supply and start up the computer

Hi there,
I got a Gateway Astro [all-in-one] from my friend. After I plug- in and switch-on, the computer does not start. It seems power is coimming to the copmuter but computer does not respond - no light, nothing. Even the keyboard does not light up.

Thanks,

Sharif
fsharif05@gmail.com

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Here's the steps for troubleshooting Gateway systems that don't fully boot. It is based on BIOS beep codes which are beeps that occur when you first power the system up.

Power supply and start up the computer - 11postbpcds.gif
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Posted on Jul 08, 2008

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Sounds like a power supply failure, it sounds like your going to have it replaced.

Posted on Jul 08, 2008

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Check to be sure the power connector isn't loose on the back of the computer. If your plugged into a UPS be sure the UPS isn't switched off and the plug is completely in and the UPS is firmly plugged into the wall. If plugged into the wall be sure the plug is completely inserted.

If your still having no power open the side panel and be sure the power supply connectors to the motherboard are not loose, also check the plug from the power button to the motherboard to be sure its firmly seated.

If it still won't start call Gateway Tech support be sure you have all the docs for your computer handy, and your at the server when you call.

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It is the plug in the laptop that is most likely the cause, plug the power supply in the laptop. Now put your thumb on the plug at the laptop, as you bend it sideways hit the power button repeatedly to see if it will power up, failing that take the main battery out of the laptop and use power supply only. Please take the main battery out first to see if your power supply will start the computer if the computer starts up change the battery.

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New PC,s are tested at the factory before they are shipped. So you need to check ALL your data and power cables as well as your AC power outlet before you report the problem to Gateway.

1. Does the power LED on the monitor light up after your connect it to AC power and turn the power switch on? If not, plug a lamp or other electrical device into the AC outlet you are using for your PC and monitor to make sure you have AC power.

2. On the rear of the PC make sure the the AC power switch on the power supply is in the on position. (Some power supplies do not have this switch) Also, make sure the AC power cable connector is fully inserted into the 3 pin power receptacle on the PC's power supply.

3. Make sure that the monitor, keyboard and mouse cables are connected to the proper receptacles on the rear or yur PC.

4. If the PV still will not power up, call Gateway tech support and tell them abouts the tests you have performed - they will probably arrange to send a technician to test your PC.

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It sounds to me like the power switch is plugged into the motherboard incorrectly. I would need to know the type of motherboard you have to get you the proper schematic for hooking up the power switch and reset switch to the board. If you have the manual to the motherboard, there should be a detailed picture showing you how it is to be hooked up. Please let me know the motherboard model for further assistance.

Good Luck,

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Hpw do you replace the power source on a gateway MFATXPNT ESX 500S.


How do you know the power supply is the problem?
What issues are you experiencing?
Have you done any trouble shooting first? It could be a bad hard drive.

If you should need to replace the power supply first you need to get a replacement power supply for a gateway MFATXPNT ESX 500S - 300 watt power supply you can get here.

The next step is to unplug the computer from the wall > remove the case side access panel > ground yourself with an Anti-Static wrist strap cord so you don't fry *********** board electronics from static electricity discharge which can cost you a lot more to replace > now disconnect the plugs from the power supply wire harness, it may help to count the connections and mark them with a piece of tape or draw a diagram so you don't forget which loose cables should get reconnected to the new power supply. There will be at least one that connects directly to a plug on the mother board, DO NOT put tape there. > Next remove the screws which mount mount the power supply to the metal frame and slide out the power supply > slide the new power supply in the same way the other other was removed (note top from bottom) and then screw back to frame and reattach the cables > close the case > remove your grounded wrist band > plug computer back into wall and start the computer.

Congratulations, you have just replaced your power supply and ready to go.

IMPORTANT: Do not switch the power output selector switch on the power supply. Usually a recessed re switch which will adjust for european vs. US power input conversion.

Additional Resources and Tutorials
Step by Step Video Tutorial to Replace Power Supply
With pictures, step by step
Diagnosing ATX Power Supply Failure with Diagram
How to diagnose and replace a failed pc power supply

Hope you find my resources and information useful and rank or review it accordingly.

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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.

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Power supply has several voltages. Just because the 5v power is active doesn't mean all the voltages are OK. You need to have the power supply tested for 12v and 3.3v. A quick test is to unplug all the wires from the power supply. There is a single green wire on the motherboard main plug. Connect (use a bent paper clip) that green switch wire and any black wire. Plug in the power supply and it should run (fan starts)

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1 Answer

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