Question about Dell Dimension 2400 PC Desktop

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Computer truns on but will not boot up

The lights come on my dell dimension 2400, but the computer will not boot up and the two led lights in the front stay on no blinking or anything

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You need to do some research here, Take the cover off before you try to start it, but keep your hands out. No turn it on, Do the fans spin, there should be at least 3. The first is usually in the center of the machine on the circuit board. It is about the diameter of a coffee cup, this is the cpu fan. The second should be on the back of the case (inside), this is the case fan and the third is in the power supply. The one in the power supply is visible from the back of the case. All 3 fans should be spinning, are they?

If all the fans spin, next check to see if you can hear the hard drive power up and start to spin.

I have a feeling your power supply is dead, but to diagnose, we need more info.
b

Posted on Dec 13, 2008

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Since that isn't one of the listed codes, it is important to see what the POWER LED indicates.
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http://www.fixya.com/support/r4282412-find_no_post_diagnostic_information_dell
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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

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If the power LED on the Tower is blinking amber, then most likely the power supply in the tower is failing. Replace the power supply.

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