Question about Dell Dimension 2400 PC Desktop

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No video there is a box which say power on self test nothing else

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  • Anonymous Nov 05, 2008

    same thing happened to me



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  • 191 Answers

Connect the cable coming from monitor to computer
it isin't connected properly

Posted on Jun 07, 2008

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Power comes on fan runs hard drive spins but monitor says : monitor self test.. your monitor is working correctly... check computer power and monitor cable... it was working fine the night before ...


try and boot in safe mode and check the frequency, it should be 60 htz if nothing it's possible your video card has gone out, do you have a second monitor to test?

Jul 10, 2012 | HP Pavilion 514n PC Desktop

1 Answer

E-machines computer tower powers up and the screen will power up, but flashes self test and a couple other things, then goes to a black screen, then flashes the self test again? what needs to be done?...


It sounds like the onboard video or video card is defective and needs to be replaced.
You need to find out what type of video card is needed, wither AVG, PCI Express or PCI.
I hope this helped.
Good luck and have a pleasent day.

Jun 20, 2011 | E-Machines eMachines Desktop PC

1 Answer

My compaq evo beeps 1 short 2 long but nothing on screen


This POST (power on self test) error code could be this depending upon the BIOS manufacturer.
one long, two short beeps

  • System board failure
  • Video adapter problem
  • LCD assembly failure

Feb 27, 2010 | Compaq PC Desktops

1 Answer

Dell Precision 380 won't boot


I had a similar situation with a work computer; the power supply always tested good. A wiser and more experienced computer guru ordered a new power supply. He gave it to me told me to install it, I did and was laughing the whole time. Well it in fact was the power supply. Reason, power supplies are funny like that, they may test good under ideal conditions which is a minimum load put on the unit (enough to boot your system). They are not tested with the stresses of maintaining all your fans, hard drives, mother board, video card, monitor, CD drives, mouse, and keyboard. Its when those loads are applied is when the unit either surges or it is faulty and cannot maintain. First try finding some way to test that suspected bad circuit. If that's not it I would try replacing the power supply, that MAY NOT be your problem but it is certainly CHEAPER than replacing your processor and/or mother board. You could also have a hard drive problem; most drives have self testing features that are partitioned separate from the rest of drive. You can also try plugging your drive into a good computer and see if it boots.

I'll warn you though issues such as yours can take you down a costly road trying to trouble shoot. The components you are thinking of replacing pretty much will give you a brand new computer.

Hope this helps

Jul 31, 2009 | Dell Precision 380 P4 Dual Core 3 GHz...

1 Answer

Nothing comes up on the screen


The monitor connected to the system is set to receive video signals from the DVI port on the video card and it is not getting a signal.

Possible Causes:
  1. Monitor is connected via VGA (Blue Connector). Fix by using the input select button to select DVI input)
  2. The video cable is not connected to the correct port on the system (Or not connected at all)
  3. The monitor is on, but the tower is not powering on or failing to complete the Power On Self-Test (POST). It the power LED on the tower is NOT on, or solid or flashing Amber then the tower is not posting. Flashing amber is normally a bad power supply, solid amber is the motherboard.

Mar 01, 2009 | Dell OptiPlex GX280 PC Desktop

2 Answers

Computer powers up, but monitor shows a self test


Your video output is bad. Either the video card, or the onboard video built into the computer. You need to swap out the card or add a card to bypass the built in video port on your computer.

Thanks and please take a moment to rate as fixya.

Feb 11, 2009 | Gateway 550GR PC Desktop

1 Answer

What does No Power/No POST Troubleshooting mean


Hi.
It refers to two symptoms. No power just means the machine is dead and nothing happens when you press the power button on the computer. POST stands for Power On Self Test. This is what happens just after you press the power button - the computer checks devices connected to it then starts to load Windows or whatever operating system you have. If the computer is dead, then it is often caused by a faulty power supply (metal box where the power cord goes in. If it won't POST then an error may be displayed to tell you where it stopped during POST, or error beeps may sound to tell the technician which part of POST has failed. Sometimes, you may hear the fans and hard disk, but the monitor stays dead. This is usually caused by the RAM coming loose in it's socket or the video card coming loose/ failing.

Mark

Jan 22, 2009 | PC Desktops

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