Question about Dell Dimension C521 PC Desktop

1 Answer

How to fix a no signal monitor ?

My computer is a Dell Dimension c521 and when I turn it on, it says no signal on the moitor. I've change the video card and the cord as well.

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  • Dell Master
  • 34,716 Answers

If you have a known-good video card and a known-good VGA cable connected, another possibility is that the monitor is defective

Posted on Jan 15, 2013

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Posted on Jan 02, 2017

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  • 79 Answers

SOURCE: dell dimension 4700 video card upgrade problem

Be careful with this computer. The cooling system works by blowing air INTO the machine over the cpu then the heat slowly comes out of the holes on the side panel (on the left side of the machine). One reason the text may be blurry is because the video card is heating up too much. This problem is specific to this machine. Most computers have the cooling fan blowing the heat out of the case and not sucking air into the case. On the plus side at least this PC is near silent right? I would know since I own this machine. Amazingly silent it is.

Posted on May 01, 2008

  • 11 Answers

SOURCE: Dell C521 Where to connect monitor?

This means that you have an external video card (which is not outside the computer). This video card will be plugged into the motherboard. That message is saying that the port on the back of the computer that your monitor is plugged into is the wrong one. You need to look for another port on the back of the computer.

Here is a picture of a VGA port that you should use if you have a VGA cable to connect the monitor (Blue Ends).
http://news.softpedia.com/images/reviews/large/VGA.jpg

Here is a picture of a DVI port that you should use if you have a DVI cable to connect the monitor (White Ends).
http://zedomax.com/blog/wp-content/uploads/2008/09/dvi.jpg

So depending on the cable and connections that are available on your computer and your monitor depends on what you have to use. I hope that wasn't too confusing. Let me know if you need more info.

Posted on Feb 12, 2009

ahsan322
  • 38 Answers

SOURCE: dell dimension 2400 will not boot. Diag lights A & B amber.

first of all dnt take tention,
firstly remove ur all RAMs then reboot ur system. after that flash the motherboard cell.
after that reboot ur system, if yous system have same problem then plug out all hadware of ur system except VGA, RAM, Hard Drive,and key board. after this u may restart ur PC and then check it out.
hope so ur problem is solved

Posted on Aug 26, 2009

  • 20 Answers

SOURCE: My dell dimension C521 has number 3 & 4

http://support.dell.com/support/edocs/systems/dimc521/en/SM_EN/tshoot.htm#wp1064555
This gives you a list of every possible fault on this machine! It looks like you will have to contact DELL directly on this one!

Posted on Oct 21, 2009

  • 570 Answers

SOURCE: Dell Dimension C521 - reseat the power button

I am providing you with the best link because the answer to be very long.Here you can get all the information on hardware for your PC and you can easily fix your problem.So please visit the link to fix your problem.

http://support.dell.com/support/edocs/systems/dimc521/en/sm_en/parts.htm#wp1121008

and there is also a manual from which you can get the information so also I am giving you this link.

http://support.dell.com/support/edocs/systems/dimc521/en/OM_EN/RP333A00.pdf

Please rate me if this solution works for you

Thanks......Have a great time.





Posted on Jul 10, 2010

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Related Questions:

1 Answer

Dell C521 Boots up with dark screen with No Signal message


CHECK WITH A OTHER MONITOR.
CHECK SO CABEL ARE TIGHT SCREWED TO VIDEOCARD.
THE VIDEOCARD CAN BE BROOKEN.

Dec 30, 2013 | Dell Dimension C521 PC Desktop

1 Answer

Need layout of the C521 motherboard where is the BIOS password reset


Hello Brenda,

Click the link below to download the Dimension C521 Service Manual.

C521 Service Manual Clearing Password Settings
  1. Turn off the computer.
  2. Disconnect any telephone or telecommunication lines from the computer.
  3. Disconnect the computer and all attached devices from their electrical outlets, and then press the power button to ground the system board.


    To guard against electrical shock, always unplug the computer from the electrical outlet before removing the cover.
  4. Remove the computer cover.
  5. Locate the 2-pin password jumper (PSWD) on the system board and attach it to pins 1 and 2 to clear the password.


    When the computer ships from the factory, the jumper plug is attached to pin 1.
  6. Replace the computer cover.
  7. Connect the computer and monitor to electrical outlets and then turn them on.
  8. After the Microsoft Windows desktop appears on the computer, shut it down.
  9. Turn off the monitor and disconnect it from the electrical outlet.
  10. Disconnect the computer power cable from the electrical outlet, then press the power button to ground the system board.
  11. Remove the computer cover.
  12. Locate the 2-pin password jumper (PSWD) on the system board and attach it to pin 1 to re-enable the password feature.
  13. Replace the computer cover.
  14. Connect the computer and devices to electrical outlets and then turn them on.

    Thank You,
    Dell-Jesse L
    Dell Social Media and Communities
    Follow Dell on Twitter @dellcares

Mar 28, 2013 | Dell Dimension C521 PC Desktop

1 Answer

Monitor lights orange


If the monitor gets no signal it will show orange. or ,It's hibernating or sleeping. Shut down computer, reboot, open Control Panel, Power settings, change to High Performance, change Hibernate to never or disable, change sleep to never or disable. Shut down the computer and monitor when not in use. It will last longer and reset the computer every day when turned on.

Dec 23, 2012 | Dell Dimension C521 PC Desktop

1 Answer

My dell dimension c521 does not boot and shows a amber light. This happen after I cleaned it to change the processor.


2 reasons, one the cpu isn't supported by the board or the power supply isn't great enough. I'd go for option 1.

Apr 07, 2011 | Dell Dimension C521 PC Desktop

1 Answer

Hi - our dell dimension c521 is stuck in power save mode. The light on the monitor is solid orange and will not respond to the keyboard or mouse


A solid amber light indicates a pre-POST failure has occurred. The system has received a Power Good signal from the power supply so it's not a power supply issue. HERE is the documentation that tells what the lights mean and possible solutions.

Aug 26, 2010 | Dell Dimension C521 PC Desktop

1 Answer

Monitor has no signal


make sure that your tower is on and running because alot of times when it is not on the monitor will give you an error message that says Monitor has no signal
also make sure that all of the cables are plugged in!

hope that this helps

Jul 14, 2010 | Dell Dimension C521 PC Desktop

1 Answer

Formatted my computer dimension c521 but cant find my drivers disc can i get one on the net thanx


you can get the drivers from dell. here is a link to the ones for your computer:

http://support.dell.com/support/downloads/driverslist.aspx?c=us&l=en&s=gen&ServiceTag=&SystemID=DIM_P4_C521&os=WW1&osl=en&catid=&impid=

Sep 05, 2009 | Dell Dimension C521 PC Desktop

2 Answers

Monitor going to sleep


turn off the hibernation mode if it is turned on.

Jun 15, 2009 | Dell Dimension 3000 PC Desktop

2 Answers

No video on Dell C521


in this case Graphic card is faulty try no built-in/intergarted graphic card such as Nvidia or sis that u computer would support.

Mar 14, 2009 | Dell Dimension C521 PC Desktop

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