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Old October 31st, 2018, 04:50 PM
Digerati Digerati is offline
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Join Date: Jan 2007
Location: Nebraska, USA
Posts: 2,403
Pull the power cable to the hard drive(s). The computer should begin to boot and make it almost all the way through POST (power on self text), then halt with an error that says something about "boot drive could not be found". It should not shut down.

Look on page 1-25 of your manual at the Q codes and see if that tells you anything. If it points to RAM, and you have more than one stick of RAM, pull all but one then swap them out until you find the bad one.

Just make sure you take the necessary ESD precautions. Unplug the computer from the wall and touch bare metal of the case interior to discharge any static in your body BEFORE reaching in to touching the RAM.
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