Question about Computers & Internet
My computer will not turn on. Whenever I press the power button, green lights will flash, then nothing. What is the problem?
This could be a problem with your power supply. If the motherboard sees that the voltages from your power supply are low, it will turn itself back off.
You can test your power supply by unplugging all of your internal power cables, ground out the green wire on the 20-pin/24-pin ATX connector and check your yellow (12v), red (5v) and orange (3.3v) wires. If the voltages come back more than 10-15% off, you will most likely need a new power supply.
Even if you have good voltages using the test method above, it is only an indication that your voltages are good at zero load. Your power supply may still fail under normal load. If you have recently added any hardware to your computer, remove it and try again. If this still doesn't work or you haven't added any hardware recently, replace your power supply.
Posted on May 13, 2010
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Posted on Jan 02, 2017
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