Having problems with your Dell Dimension 8400 PC Desktop ?

Dell PC tower will not wake what seems to be power saving mode. Thats what the monitor says at least and the power button light is flashing.

Answers :

You have a defective power supply or a bad modem try new power supply if same result try take out the modem last pci slot on the board and your pc will became awake again thanks
The monitor is in power saving mode not the tower check your connections to the monitor and the tower
Repair Help & Product Troubleshooting for Dell Dimension 8400 PC Desktop

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