Inspiron 518 does not illuminate

First of all, I'm not tech savvy and don't know all the names, please bear with me.  The green power light is on the back and the yellow light is on in the tower. I tested the power supply using a paper clip. The 12v, 5v and 3.3V DC output lines were normal. Should I check other lines or would it be the blue power button on the front of the Tower?  I used a multimeter to check the voltage.

Bubba18

Taking off the façade and sprinkled the dusted and vacuumed. Thus, the inside of the vacuum cleaner. The blue button is now, and the fans are running. Now, I get a message on screen that there is no power supply from your computer. I hit the keys and tried the mouse and nothing. When I turn on the monitor it says he enters power saving mode. Before he wouldn't completely power on I have had in mode 'sleep' because the power button would not always have come back. Now, what is the problem?

Bubba18

Check all cable connections to make sure they are secure?

Is it "beeps"?

Were the two blocks of POWER 24 pin and 4 pin power connectors, plugged into motherboards?

Do you have what brand and model of power installed?

http://FTP.Dell.com/manuals/all-products/esuprt_desktop/esuprt_inspiron_desktop/Inspiron-518_Service%20Manual_en-us.PDF

Bev.

Tags: Dell Desktop

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