Question about Dell XPS 400 PC Desktop

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Dell XPS 400 monitor dont show

As you turn it on there nothing in the monitor and also makes a loud fan sound noise when its on.

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  • Dell Master
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WARNING: Before you start troubleshooting remember that you are dealing with electricity that can KILL. http://www.kitchentablecomputers.com/static.php - rules Test all power and data leads that attach to your hard drive IDE,SATA the leads from your (motherboard to your hard drive) make sure they have secure dust free connections and are not faulty if its a 40 pin flat ribbon type it will be the first to fail make sure all leads that are attached to your drives dvd\cd 3 1/2 inch floppy have secure connections and are not faulty even something as small as a faulty electrical fan and its lead can cause you problems computers need all power and data to continue through every working device and to have an end so any faulty leads will end up with a computer error Make sure your graphics card is securely seated with no dust built up or in the socket if you remove your graphics check the socket to make sure its dust free Restart your computer then reinstall it this should activate found new hardware wizard Check the vga lead for secure dust free connection or try another vga lead. Hope this helps.

Posted on Jan 09, 2013

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Posted on Jan 02, 2017

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SOURCE: Dell XPS 400 tower does not power up monitor?

The “self test” on the monitor displays when not plugged into a computer. This means that it’s working. The LED error code 2 and 4 means the video subsystem has a problem. Either your video card is bad or bad memory module. Try reseating video card and/or memory.




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Posted on Oct 27, 2008

venexcsd
  • 1185 Answers

SOURCE: Fan makes a lound noise and power button is orange

It sounds as if your power supply is cooked because the cooling fan has been running slow

Only way you can check is to take a panel off and hook a voltmeter into the 12v & 5V supplies on the Hard Drive and the Floppy Drive.

Posted on Jun 25, 2009

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Here is a link to your computer's service manual:
ftp://ftp.dell.com/Manuals/all-products/esuprt_desktop/esuprt_xps_desktop/xps-400_Service%20Manual_en-us.pdf
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Dell XPS 400 tower does not power up monitor?


The “self test” on the monitor displays when not plugged into a computer. This means that it’s working. The LED error code 2 and 4 means the video subsystem has a problem. Either your video card is bad or bad memory module. Try reseating video card and/or memory.




Your responses are intended to improve the level of service provided. Please show your appreciation by rating your experience.
Thank You.

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