Question about Dell XPS 420 PC Desktop

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I have Dell destop model XPS-420 my computer is not getting on NO FAN and no noise please advise me what should I have to do

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Hi

are you saying the fan is not working ? if that's the case, you need to replace the fan.
get the service tag # located on back of your desktop PC, go to this link below, place service tag in appropriate box . it will give you part numbers for the peripherals of this computer. locate the fan and purchase replacement.this is all you have to do. DO NOT TURN ON THE COMPUTER UNTIL THIS FAN IS REPLACED, or you will damage the mainboard and/or CPU.

http://search.dell.com/results.aspx?smh=sup&c=us&l=en&s=dfh&k=XPS-420%20&cat=sup

Posted on Nov 14, 2010

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Sounds like your heatsink which is inside the computer and sits on top of the CPU is bad. There will probably be a fan that sits on top of the heatsink.

Look on ebay and purchase one for your system.
http://www.ebay.com

I found a new one below on ebay for $14.95 (the link is below)

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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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Select Start > (right click) My Computer > Manage
In the Management window select > Device Manager
Next to Sound, Video and Game Controllers click the + sign
A yellow triangle will signify a problem so if one is present, right-click that device and select Properties
You can then choose to update the driver
For more details check Dell Xps 420 Manual.
Dell Xps 420 Manual

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Same with my Dell Vostro 420. At this rate I will just buy a new PC as I am wasting too much time on this. We tried usual stuff like cleaning inside, making cooler, removing certain virus software, still no luck. I have to restart 4 times a day and keep saving material. Can only restart by turning it off by pulling out power socket.

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Check if the sound is available on your control panel >> Sounds
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