<div dir="auto">There should be diagnostic LEDs somewhere on the main board usually at the front or back of the machine. They usually do a pretty good job of indicating the problem. <div dir="auto"><br></div><div dir="auto"><a href="https://www.dell.com/support/article/ca/en/cabsdt1/sln265594/power-button-led-status-on-precision-t3600-t5600-t7600-systems?lang=en">https://www.dell.com/support/article/ca/en/cabsdt1/sln265594/power-button-led-status-on-precision-t3600-t5600-t7600-systems?lang=en</a><br><br><div data-smartmail="gmail_signature" dir="auto">Thanks<br><br>Brian</div></div></div><br><div class="gmail_quote"><div dir="ltr">On Wed, Jan 9, 2019, 9:45 PM Federer Fanatic <<a href="mailto:nafdef@gmail.com">nafdef@gmail.com</a> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Hi, Just curious if anyone knows of a Dell expert that truly understands<div>the nuances of Dell hardward with respect to the machine I mentioned</div><div>in the subject line. The problem I am having is the machine don't boot</div><div>consistently, i.e., sometimes the bios comes up other times nothing happens.</div><div>My suspicision is the Dells are sensitive to the power coming into them</div><div>that causes them to "sleep"--not sure what the terminology is.</div><div><br></div><div>Any thoughts?</div><div><br></div><div><br clear="all"><div><div dir="ltr" class="m_-4392268311771796226gmail_signature" data-smartmail="gmail_signature"><br><br><br>--------------------------------------------------------------<br> Roger Federer Fanatic Extraordinaire :-)</div></div></div></div>
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