Question about Dell Optiplex 755 Desktop Desktop Computer
Power off system , disconnect power and press and hold power button to discharge stored power, then remove memory module 1, then reseat it by inserting it with the levers extended to the sides and press down with thumbs until the levers snap in place vertically on their own. if no change, replace module.
Posted on Aug 22, 2010
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Posted on Jan 02, 2017
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