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The power switch can certainly be the issue, but I find that to be rather rare. &nbsp;Rather than go through the trouble of replacing it, follow the wires from it to the motherboard, unplug the connector, and short the two pins on the motherboard together with a screwdriver. &nbsp;If that works and the power switch does not, then the switch or wiring is suspect.
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Its DEAD we can't beat a dead donkey back to life ---- can we---- unless we consult with Frankenstein---- power supply are so cheap these days----do not waste your time unless you know how to fix it. then we'd be having a different discussion.
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i only replace parts - not because they're cheap, but because i have an indication it is bad<br />
so i would test the power supply without load first - and measure the output voltages - before repalcing<br />
but that's me - i don'tlike making waste mountains
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No ---Green -----no power----- no matter how much you push the power button it isn't &nbsp;turning on back that is because its dead- -- no load or load ---does not matter to a power supply if its not working.
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that's what you think - but it can be caused by external parts also<br />
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as for bringing dead alive - i take it you heard from electroshock? &nbsp;they do it every day
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Best solution provided. No more other questions from author.
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i have dell 7020 desktop and it is not powering on the green light fount at the back next to power cord is on when i press the reset button next the green light but no bower when i press the power button from the front
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i have dell 7020 desktop and it is not powering on the green light fount at the back next to power cord is on when i press the reset button next the green light but no bower when i press the power button from the front

Power issue

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A desktop computer is a personal computer designed for use at a single location due to its size and power requirements, usually by one person. The most common configuration has a case that houses the power supply, motherboard, disk storage (usually one or more hard disk drives and optical disc drives); a keyboard and mouse for input; and computer monitor and printer for output. The case may be oriented horizontally and placed atop a desk or vertically and placed underneath or beside a desk.