Question about Dell Computers & Internet
Computer will not turn on, how do I troubleshoot power supply?
First, check that your power cable is not faulty; believe it or not, it is a common problem.
Second, check that your power switch has not shorted out; that is another common problem.
Third, the only way to check your PS is to swap it out with another. If you don't have one, you can also order a power supply tester (which is what I have). Try Newegg.com and type "power supply tester" in their search box. Also check the user reviews for dependability.
Posted on Apr 23, 2014
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Posted on Jan 02, 2017
You can test the power button. Remove the wires from the power on pins on the motherboard. Momentarily jump the two pins with a small screwdriver. If the computer starts the power button is bad. If it still doesn't start then something else is wrong. Did you test the memory? Also do all of the fans work, especially the CPU fan? It can't hurt to test with the other PSU. You know the HDD is good. Test one piece of hardware at a time and hopefully you will find the problem.
Posted on Jan 07, 2009
You hit that one right on the dot. ATI website showed the specs for that graphics card you installed as needing a 300 Watt power supply. Good news though... I researched newegg.com and I believe I found your 300W power supply. There are 4 different Optiplex gx280 designs with 4 completely different power supplies. Since you bought the low-profile video card, I believe you have the slim computer case and this power supply should work for you...
Posted on Jun 11, 2009
Check all of the electrical connections to all devices in the machine, especially the motherboard. Many times this is a result of a poor connection being jarred loose during a move.
Posted on Jul 07, 2009
If this is a Dell Inspirion 531 here is the owner maual with all the components
Posted on Oct 10, 2009
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