Question about Dell Dimension 4700C PC Desktop

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Dell diminsion 4700c . how to figure if power suply is burt? or something else

Hi. dell 4700c wont start up. ther is a yellow light on the motherboard. and thats it. no starting up . zero ziltch nada. whats up with that? its a friends pc. so i said id look into it 4 him. he said that his kids would sometimes turn of the pc by turning off the power bar . often. could that mean its the power suply. what do u think guys

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  • GO HABS GO GO HABS GO
    GO HABS GO GO HABS GO Mar 05, 2008

    ok dell 4700c not starting up. told a friend id look into it 4 him. he said kids would shut it down by the power bar( because ther not suposed to be on it). so i was wondering if the power supply can be shot? yellow light on motherboard is on. but thats about it. whats with this thing. any thoughts guys ? thanx in advance

  • GO HABS GO GO HABS GO
    GO HABS GO GO HABS GO Mar 10, 2008

    thanx . for the thoughts. and where abouts did you get this power supply for 20$ + 16$ ? im watching one on ebay do you think this is a compatible p supply








    DELL OptiPlex GX280 SFF 160W Power Supply R5953/U5427this is the link to the ebay item . what do ya think ? im pretty sure its good. it has 2 extra connectors but it has all the ones i need also. is it good ?thanx again

  • GO HABS GO GO HABS GO
    GO HABS GO GO HABS GO Jun 15, 2008

    ok guys thanks alot. . i forgot to post that i have allready fixed the problem and it was the power supply. thanks for all your help. take care



  • Anonymous Jun 18, 2008

    please , i have a DELL Dimension 4700c

    model:DLY5L71 windows xp

    cu700c-qb72b-wk348

    target:MS-7059 ver 1(1996)

    My motherboard is broken and I need buy one

    sorry I donot speaking to much Inglish

    recomend one please

  • Totallymetal Oct 27, 2008

    Same problem, going to try an ATX PS to see if it works. If it is the PS, anyone have a suggestion on where to purchase, it is an odd creature.

  • realredd Jan 25, 2009

    I installed my new power supply and now my cd player wont eject.?dimension 4700c..Does it have a different power supply because of upgrades like burner.?

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I just fixed a Dell 4700c with this exact same problem and it was the power supply. Also on Dells website they say that a flashing yellow light is a power issue. They suggest checking all your power connections. You can also unplug all the power cables to your drives just to make sure it isn't one of the drives that's gone bad and keeping it from starting. While this is highly unlikely I have seen it before.

If you have access to an atx power supply, you can do what I did. Just plug in the new power supply and see if it boots up. You don't have to remove the other power supply to do this. Just plug in the 2 power cables that go to the motherboard, no need to plug in any of the cables to the drives.

Posted on Jun 15, 2008

I just had the exact same problem with exact same dell. i called support and paid $40 to have them tell me my power supply was shot. i ordered another one for $20 + $16 express shipping and it arrived the next working day and now i'm up and runnng again.

Posted on Mar 08, 2008

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  • 36 Answers

It does sound like it could be the power supply.

Posted on Mar 05, 2008

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