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MY DELL 17" POWER LIGHT BLINKS WITH NO PICTURE

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  • Carlos Soto
    Carlos Soto May 11, 2010

    Let's isolate the monitor first, can you test out the monitor on another system?

    Regarding the RAM, if you remove the RAM and boot up, then it should report an error with some beeps indicating an issue with RAM (that you just removed), this would tell you the motherboard is at least good enough to test RAM.

    But answer back as to the status of your monitor.


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Check with another ram it may be ram problem

Posted on Jan 23, 2009

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What can I do? My Dell PC (Desktop) does not power up.


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Dell mini computer power button blinks orange whats the cause?


Hello,

A blicking power light and no boot indicates one of two things. First, an error on the motherboard caused by failed capacitors or two a power supply that is not putting out all of the correct voltages. To check the motherboard look over this article:
http://www.ccl-la.com/blog/index.php/dell-optiplex-745-repair/
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My dell xps 420 will not power on. power light


Hi
If your system's power light blinks amber, it means the computer is receiving electrical power, but an internal power problem might exist.

Do the following to tackle this issue:
  • If applicable, make sure that the voltage selection switch which is at the rear of your system matches AC power in your area.
  • Ensure that the power cable is securely connected to system board.

Here are links with pictures to assist you in opening the system and reconnecting the internal cables.
Please follow safety instructions before you perform these tasks. Here is a link, which gives you complete safety instruction.
http://support.dell.com/support/edocs/systems/xps420/en/OM/HTML/parts.htm#wp1372453
http://support.dell.com/support/edocs/systems/xps420/en/OM/HTML/parts.htm#wp1372490


Next is to see the system board design. Here is the link.
http://support.dell.com/support/edocs/systems/xps420/en/OM/HTML/parts.htm#wp1402834

and if you wish to research a bit more here is the link,
http://support.dell.com/support/edocs/systems/xps420/en/OM/HTML/trouble.htm#wp1076480
http://support.dell.com/support/edocs/systems/xps420/en/OM/HTML/trouble.htm#wp1097292


Here you will find complete manuals for further research
http://support.dell.com/support/edocs/systems/xps420/

If this does not resolve the issue, then the motherboard or processor is faulty and you need to get it replaced, so if your system is within warranty why pay extra, get it replaced from Dell. Else contact a local tech and he'll help you out.

Please rate as per the assistance level. Thanks :)

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just reinsert your RAM.
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take it to a service personnel asap

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I would suspect that it's your video card on your computer rather than your monitor itself.  That's just a huntch.  If you can grasp your hands on another video card, I would certainly try that.

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Dell flat panel monitor blinks no picture


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