Question about Dell Dimension 2400 PC Desktop

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The screen on my dell 2400 desktop flash but won't come on

Sometimes it is just black, but the power button is lite (half green and half yellow). I tried replacing the video card but that didn't work either. Any ideas?

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Remove the video card from the computer and connect the monitor to the integrated vga port, check if that helps, or else look at the back of the tower or on the front you would find four diagnostic lights, post the status ot them

Posted on Feb 05, 2009

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Is the computer plugged in to a known good power source with a known good power cord? Also, make sure the power is fully seated on both ends. When you press the power button are you getting any indicator lights? The power button itself has an LED that will be either solid green, blinking green, solid amber, blinking amber, or off. Do you hear any beeps?

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Dell monitor flashing green power button black screen.


Your computer is in sleep mode, a low power mode that conserves power by turning off the screen and hard drive.

Push the power button on the system and the computer will resume.

If you don't like this feature, you can turn off sleep mode in the power options in Control Panel

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I have a dell dimension 2400 desktop. The green light goes out and an amber one comes on. The screen then goes black and I can not use the power button to reboot. I have to unplug everythhing and then it...


You most likely need to reinstall windows. Insert your windows cd or dvd into your disc drive and then reboot the computer. Make sure you backup any of your important files first.

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I have a dell dimension 2400. My starts up fine


Most likely a motherboard issue.

Also ensure the CPU Heatsink is firmly attached. If the heatsink is loose, replace the plastic heatsink retainer

If it is secure, then the motherboard is the most likely failure point

http://www.fixya.com/support/r4282412-find_no_post_diagnostic_information_dell

May 19, 2010 | Dell Dimension 2400 PC Desktop

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Screen goes black then flashes grey to black.


you are right: resolder the power connector

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DEMENSION 2400 WONT POWER UP


It sounds like the power supply went.
Take it to your local computer repair shop for repairs.
Good Luck.

Mar 13, 2009 | Dell Dimension 2400 PC Desktop

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Monitor goes blank less than a second after turning on.


do you have an aftermarket video card. In the bios you have to tell the computer if it is looking for a agp/onboard or PCI video card. Either that or the video driver or settings are wrong Try safe mode to check

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Powerbutton flashing yellow


If the main power button LED is flashing or solid yellow, this could indicate a hardware problem.

 

Was it running good before?

 

Are the diagnostic LED lights all green?

 

Here is what dell says:

 

If the power light is blinking amber  —

 The computer is receiving electrical power, but an internal power problem might exist.

  • Ensure that the voltage selection switch is set to match the AC power at your location (if applicable).
  • Ensure that the processor power cable is securely connected to the system board.

Do you remember what the BSOD said?

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