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Notebook : Mac book pro 15.4"
Problem : Notebook running but screen is black, cant hear any chime sound in the beginning too,
I can see and hear my notebook is running, charger light is green or orange sometimes ( i don't know what's the difference)
Fixes i have tried so far
1 ) i have tried resetting notebook by taking power cord and battery out and pushed the power button for 15-20 seconds
2) i have tried removing and reseating battery when notebook was running
3) i have tried reseating ram sticks, tried with just one stick of ram
4) pressed option+command+p+r at same time at startup (somebody suggested on mac forums on internet)
Could anybody please suggest me anything else
Problem : Notebook running but screen is black, cant hear any chime sound in the beginning too,
I can see and hear my notebook is running, charger light is green or orange sometimes ( i don't know what's the difference)
Fixes i have tried so far
1 ) i have tried resetting notebook by taking power cord and battery out and pushed the power button for 15-20 seconds
2) i have tried removing and reseating battery when notebook was running
3) i have tried reseating ram sticks, tried with just one stick of ram
4) pressed option+command+p+r at same time at startup (somebody suggested on mac forums on internet)
Could anybody please suggest me anything else