Having problems with your Compaq Armada 7400 Notebook ?
Blink screen the computer turns on but the screen is blink
Do the lights on the laptop come on (does it have power?) \015\012if they do connect the laptop to an external monitor if you get a normal display thats good its sending a signal\015\012\015\012try pressing FN + F4 it should toggle between normal and external display modes...\015\012\015\012if that doesnt work you may have a problem with the motherboard.. either an unseated cable or short circuit...
Repair Help & Product Troubleshooting for Compaq Armada 7400 Notebook
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