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Solved: Dell Dimension 4700 will not boot up

Discussion in 'Hardware' started by Dave3365, Jan 6, 2011.

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  1. Dave3365

    Dave3365 Thread Starter

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    I have a Dell desk top PC (tower type) When I depress the power button it has a solid amber light on , and the hard drive light does not illuminate at all. The internal fan for the mother board runs full blast until I hold the power button down again to shut it off. The four lights on the back do not light up at all.
    This is a windows XP operating system. The service tag is : 8SDXD61 what can I check?
    I know how to use a DVOM, and read electrical schematics, I am guessing a power supply? Or Mother board? There is a green little light on -in the mother board. I don't want to guess whats wrong and spend the wrong money on a 5-year old machine.
     
  2. olryst

    olryst

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    Unplug leave a few mins then try again.

    Check all cables and components are secure in there sockets.

    Reset bios with motherboard jumper/battery.
     
  3. Dave3365

    Dave3365 Thread Starter

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    I am not sure how to re-set the bios , or what to jump?
     
  4. Dave3365

    Dave3365 Thread Starter

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    I did remove and re-seat everything, and no change.
     
  5. Hughv

    Hughv

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  6. Dave3365

    Dave3365 Thread Starter

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    Like I said in my first e-mail- if you are refering to the lights on the back they do not light up at all.
     
  7. Hughv

    Hughv

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    Sorry, I missed that.
    "No electrical power is supplied to the computer."
    Test the power supply, but this sounds bad.
     
  8. NoWay31

    NoWay31

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    Seems I'm having the same problem. No lights in the back panel are on. So, it should be the power supply? How do you TS the Power supply?
     
  9. flavallee

    flavallee Trusted Advisor

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    Dave3365:

    Here is the support site that's specific only to your Dell Dimension 4700 desktop.

    Here is the online service manual for it.

    Read the "Advanced Troubleshooting - Power Lights" section.

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  10. Dave3365

    Dave3365 Thread Starter

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    I kept having problems with it booting , then not booting up.
    I replaced the mother board using a G31TM-P21 MSI brand? Mother board, Antec 350 watt power supply-Antec brand, and a Thermaltake fan/heatsink assembly. Works great , and I did not buy someone elses used problems from craigs list. I had to bend the case in under the processor mount-however I re-used the old case and it has been working for weeks no with no problem.
     
  11. Dave3365

    Dave3365 Thread Starter

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    I forgot to add I re-used the original processor and the parts listed above cost just over $100.00.
     
  12. flavallee

    flavallee Trusted Advisor

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    Glad to hear you got it fixed cheap and that it's running fine. :)

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