Question about Gateway 507GR PC Desktop

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Gateway 507GR New power supply and new mother board, computer still won't start. i think i have about two strands of hair left. HELP

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  • hedge2720 Mar 06, 2008

    Before now the computer wouldn't come on completely.
    When you push the power button the hard drives would run and the only thing that the CPU fan did was turn in pulses on/off quickly.
    The power supply light would flash.

    I was told by a FixYa tech to that it could be either the power supply or the motherboard. So i started with the least expensive one. When that didn't work i then purchased a motherboard.

    Nothing turns on on the computer when i push the power button. Even the power supply light goes out when i push the power button.

    I installed the board and power supply myself.

    My power supply doesn't have a rocker switch on it.

    I tried it also with the old motherboard and still no progress.

    I've installed motherboards on many name brand computers including Dell, HP and have even built computers from the ground up and didn't have this much of a problem. This is my first Gateway and possibly my last.

    Thanks for all your help.

  • phillyfour Jul 08, 2008

    I powered down my computer, turned it off, then unplugged it so I could clean my computer table. when i plugged everything back in and pushed the power button, NOTHING! I have power to the computer but it will not turn on. A green indicator light on the back of the power supply is blinking. The same green light is also blinking on the mother board.

  • Anonymous Sep 20, 2008

    I have the same problem. I went out and bought a new power supply
    thinking my stock one was dead. Well nothing changed. I know it's
    working though because the green light to the motherboard is on. I
    really don't want to replace the entire motherboard.

  • Anonymous Sep 21, 2008

    I'm the guest that posted on Sep 20, 2008. I brought it into two
    different computer repair shops today and they both told me that it
    wasnt the power supply and through a process of elimination it had to
    be the motherboard/mainboard. That green light that we had flashing in
    the back of the power supply, it was saying "I cannot initiate the ATX
    power rails."

    The answer is: No, you don't need to replace the PSU. but you should replace the CPU/Mainboard.

  • Anonymous Oct 29, 2008

    Same problem here. Had power supply tested and it checked good. Standby power indicator LED on motherboard indicates power is getting that far.

  • sirbeaubeau Mar 17, 2009

    Power is out. No POST. 

    Did the paperclip trick and the fan on the PSU fired up. Still no power.

    Went to Best Buy and bought a 500W PSU. Did the paperclip trick. Worked fine. Plugged it in. LED light on MOBO turned on but that's it.

    Did the battery change. Nothing. I didn't do the jumper trick on the battery partly because I don't know what to do?

    Did the RAM switching. Nothing. Is it safe to say it's the motherboard or is there something else too check.

    How do I verify the CPU is the culprit by borrowing a friend's computer. 

    Thanks zzedly, detailed check list.

  • Tygh Duval
    Tygh Duval May 11, 2010

    • What were the symptoms before now?

    • Does anything in the computer turn on when you push the power button (fans, lights, etc)?

    • Did you install the parts yourself?

    • Check the main power supply (rocker) switch on the top, back of the computer. If this is off, the front button will not power up the computer.



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Same Problem here, and I can trick the system into starting up by holding down the power button and switching the a/c power cord power on and off very fast pulses while the led is off.  The power-ready LED must be off while pulsing.  IF the LED stays lit, you have to pause until it goes off.  Anyways, keep pulsing power while holding down the power button and the damn thing will come on.     

Posted on Oct 31, 2009

  • sirmikey1 Oct 31, 2009

    The motherboard is an Intel Augsburg 915G.  Other sites are saying that capacitors on Mobo may be bad.  


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I can already tell this isn't going to be an easy one. Let's try a few more things.

  1. Unplug the power supply from everything inside the PC. Leave it plugged into the AC cord. On the main motherboard (ATX) power connector, find the pin that goes to the green wire. Use a modified paperclip to short that pin to the next-door pin that should have a black wire. This should cause the power supply to turn on and you should hear its internal fan spin up. If not, this could be a sign the new power supply is also dead.
  2. Plug the power supply into only the motherboard and AC cord. Remove all unnecessary PCI cards and peripherals. Also, if the system has multiple RAM modules, remove all but one. This should leave the power supply, motherboard, video card (if it's not built in), CPU, and RAM as the only items connected. Power up the system and see if anything acts differently.
  3. If there are multiple RAM modules, try every different combination of modules and slots.
  4. I will ask this only because I've done it myself. In the swap between the old and new motherboards, did you verify there were no extra mounting stand-offs that might be touching something on the bottom side of the motherboard? If old and new motherboards are the exact same model, this shouldn't be an issue, but you never know.
  5. Verify there are no jumpers on the new motherboard that might need to be set for the front side bus, memory speed, etc.
  6. Ask your friends, family, and neighbors if anyone has a Pentium 4 in an LGA775 package that you could "borrow" to verify it's not your CPU causing the troubles.

Posted on Mar 06, 2008

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I'm having the same problem, but think maybe we are all possibly missing the obvious. What if it's the stupid On/Off switch on the front of the Gateway PC? My Power Supply and MB are good, but I can't figure out how to get my case opened enough to check into that push button switch. I can't even figure out which wires go to it.

So for now, it DEAD. Seems like a new case with Power Supply would solve the problem, but I'm just guessing and don't even know if this lame PC is worth it.

Any thoughts

Posted on Dec 01, 2009

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Same situation here: New Power Supply and Motherboard arrived, $70 total plus shipping, and it's working like a charm.

Powersupply from NewEgg store
Athena Power AP-MPS3ATX40 400W ATX12V MicroATX PS3 v 2.2

Motherboard Augsburg Intel from deal-stop store.

Posted on Nov 11, 2009

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this is a easy way to see if the computer is shot - if a new power supple wont work - then you might need a new computer and you can return the power supply .... 40 to 50 bucks for a good power supple vs paying some 50 bucks to tell you the power is shot plus the part = 100 fix and it's easy to put in ... if you can plug up a hair dryer or a coffee pot you can change a power supply

see this link

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