Having problems with your Dell OptiPlex GX520 PC Desktop ?

Dell gx520 will no boot, no response

\015 I have a dell gx 520 that will not boot or have any response. I have changed power supply and also tested the power supply out of the system and they appear to work. There is a yellow light inside the system that is on all the time when power is connected.\015

Answers :

Ok
\015\012open cpu cover and refix RAM and connection of power cable and data cable to harddisk.
Repair Help & Product Troubleshooting for Dell OptiPlex GX520 PC Desktop

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