Question about Gateway (4000484) Motherboard

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Power supply I checked my power supply with a tester and all the geen lites were on indicateing a good power supply,,but the fan on the power supply isn't running. My Gateway performance 1000 will not boot,,no KB or mouse or monitor. The fan on the processor is running. I need help,,please

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  • john yates
    john yates Oct 22, 2007

    I found a loose wire,p8,it connects to MB right behind where main power connects to MB. When I connected it,p8,the fan works. Appears there is a thermostat inline. I know the PS is good now. MB diagnostics is next.  I still could use some input on this subject.   jjohnn



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Fan o. k
get the eq wit a bootable win. disc and run into the bios for a new set in xp

Posted on Jan 30, 2008


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1 Answer

How to check a power supply

For this you could get a power supply tester from Amazon or Cyber Guys. It will check all the voltages required from each connector for it to be good. An alternative, if you are good with a multimeter, is to check basically for +-12Volts and +- 5volts on most of the connectors. You may need to download the schematic from the web.

Nov 11, 2013 | Gateway Computers & Internet

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Gateway 500C: Dead. green PSU lite doesn't lite when pressing test switch

Obviously your Power Supply Unit is dead. You just have to replace it.

Feb 17, 2013 | Gateway Computers & Internet

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Gateway 500C: Dead. green PSU lite doesn't lite when pressing test switch

Hi Don
first thing to check would be all power leads and fuse to clear those areas from the list. Providing all of these are correct, it looks like either your power button has gone faulty of the power supply itself. I am not familiar with this particular machine, is it a normal tower sized machine? if so then a psu replacement is relatively cheap and easy, just make sure that the replacement has all of the connections that you require.

Feb 17, 2013 | Gateway Computers & Internet

1 Answer

Won't boot. mobo power lite is on. fans power up for split second. have check everything. cpu is new. checked ram. all devices. No lose connections. reseated cpu twice.

It sounds like a problem with the power supply. Do you have another one you can test with? You could also purchase a power supply tester.

Here is a link to the power supply testers on Amazon. There are all sorts of prices and features so it really is a personal preference which one you get.

Mar 08, 2011 | ASUS P4P800E Deluxe (90M8LCW0G0EAY)...

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I have a gateway model # gm5088. I power on the computer and work fine, but the blue light doesnt work and the pc doesn't want to boot. What seems to be the problem?

sorry i could not understand u said it work fine but the pc doesnt want to boot. if its only the light issue then the connection of that light to the motherboard must be lossed or the bulb must have been fused

and if ur pc not booting then it ur power supply on *********** board problem

good day

May 29, 2010 | Gateway GM5088 PC Desktop

1 Answer

Would the pc have any power if the cord is bad

Well it is possible for SOME power to pass through to the machine if the cord is bad though and breaks in the wire may cause massive resistance (kind of like putting clogs in a pipe, water has a hard time passing) another thing to consider is if the PC is not powering it may not even be the cable it could be the power supply or the motherboard. Could also be a part shorting out too.

If you want to make sure the power cable is good (CAREFULLY) I would recommend getting an voltage meter that can handle direct current from the wall and plugging each probe in the 2 sockets. If you get a reading chances are the cable is good still.

if it is getting power I would look at the PC itself next starting from power supply and checking the power it is supplying (first indication power is coming through is the fan on the back of the power supply will spin). Goto any decent computer parts store and pickup a power supply tester for 30 bucks. It will help you determine if you power supply is bad or not.

Mar 20, 2010 | Gateway GT5252 PC Desktop

1 Answer

Gateway desk top will startup fan but shut down right away

I would check your power supply to see if it is bad, might have been hit with a power surge or the power supply might have just died

You can get a power supply tester from a computer retailer and test it that way

Good Luck

Nov 21, 2009 | Gateway GT5252 PC Desktop

1 Answer

Gateway e4600 doesn't start.


Sounds like a bad rail or failed motherboard.

Try testing the unit with a different power supply the you know works. If it doesn't get things spinng it's likely the mobo is dead as fans will spin with almost anything else wrong. If it does fire up and run it's a bad voltage rail on the ps and the part simply needs to be replaced.

If you do not have a spare you can alternately call the local parts shop and ask if they have a power supply tester, if they do they will often volounteer to test the old one for free as you are most likely to buy a new one while you are there if they can determine that it is dead. If they do determine it's working though, I doubt the motherboard could be repaired effectively.

If all else fails check for a local gov't auction and try picking up 2-3 of the same model, I often find they sell for 10-15 bucks and so for $50 or less you can have three to play with and swap parts between.

Hope this helps,


Apr 26, 2009 | Gateway Computers & Internet

1 Answer

Check Power Supply

Yes the orange lite usually indicates that the computer does not have enough power to start it. I dont think theres anyway around it, youll have to get a new power supply

Apr 11, 2009 | Computers & Internet

2 Answers

My gateway is not turning on!?

The most likely possibility is you need to replace the power supply. If you have a power supply tester you can check it. If not you may want to borrow or purchase a new one. They, for the most part, are not that expensive. I hope this helps. Joe

Nov 25, 2008 | Gateway GT4016 Desktop PC

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