M mikey71 Reputable Dec 19, 2014 2 0 4,510 Dec 19, 2014 #1 dell optiplex 745 would not turn on and fan will not go on what do I do
Dark Lord of Tech Retired Moderator Aug 18, 2009 128,615 1,779 159,590 Dec 19, 2014 Solution #2 More than likely your PSU has failed. Upvote 0 Downvote Solution
reedo_43 Splendid Feb 18, 2010 6,195 3 29,965 Dec 19, 2014 #3 Do you get an amber light? If so, it is psu or mainboard. Upvote 0 Downvote