Question about Dell Precision 390 PC Desktop

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I have a dell precision 390 and i took it apart to clean the dust out of it and after all that was done i put it all together and now the workstation is not powering on. on the motherboard the power indicator light shows that the system is recieving power

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  • Adam phelps Dec 15, 2013

    it works now thank you

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  • Expert
  • 142 Answers

Loose wire, or some dust in a connector. Take it apart again, clean it out again and put it together again. Post again if still not working.

Posted on Dec 12, 2013

6 Suggested Answers

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  • 2 Answers

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Posted on Jan 02, 2017

the_fire
  • 432 Answers

SOURCE: Dell Precision Workstation 670

Try different memory modules ( RAM ) and see if it is just the RAM.

Also take anything else out you dont need - including dedicated graphics card assuming it has onboard graphics card ( if so then enable the onboard graphics card before taking out the dedicated one )

If its still the same then yes it is the motherboard in which case you need the motherboard replacing.

If you did the diagnostics that they walk you through and they still tell you its the motherboard then it will be the motherboard as there diagnostic software is accurate.

Posted on May 06, 2009

  • 3940 Answers

SOURCE: I have a broken Dell Precision 470 Workstation.

sounds like a motherboard failure.
Basic troubleshooting, disconnect all external connections except power, see if indications change, if no go remove all expansion cards see if any change, if no go disconnect all drives see if any change. If none, then motherboard.
If at any step you get a change in indications, then see if you can isolate the faulty item
DIAG LED info is here
http://www.fixya.com/support/r4282412-find_no_post_diagnostic_information_dell

Posted on Jun 16, 2010

  • 3940 Answers

SOURCE: About Dell precision 450 workstation is Dell

A precision workstation is a high performance desktop system. The 450 is an older model but can still do well as a desktop system

Posted on Jun 17, 2011

atang1
  • 734 Answers

SOURCE: dell precision workstation t7500 won't boot. Showing solid amber.

You may have to reinstall operating system by buying a Dell cd(from amazon) that reinstalls the operating system you had on the workstation.

Posted on Dec 07, 2011

sirlouis009
  • 91 Answers

SOURCE: Hi im trying to fix a dell precision 390 and it was working fine then one day i go t power up and nothing there is a yellow light on mobo so power is going there but psu is dead and nothing else power

yes, first check the power, and the memory (i.e. simm)

Posted on Mar 07, 2012

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How do I get the second hard drive out of a dell precision 670


Hello there. before going into the Case make sure to touch the metal


Power down the PC and remove all cables

Open the side of the Case find the hard drive you want to remove unplug the two cables connecting to the hard drive and slowly remove the hard drive from the bay you may need to UN-screw the hard drive.

put in the new drive into its bay connect both cables put the case back together connect all the cables back to the PC boot the System up and reformat the new drive .

If you need anymore help with this problem let me know, i have done it many times myself thank you and don't forget to Rate

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