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look at the f keys, do you see one that says crt/lcd?
If yes, hit the fn key and that key at the same time. only once at a time.
it may be f8.
This switches the video between the lcd and a monitor. It is possible that the setting have changed.
You have 3 choices
lcd only
crt only
crt/lcd combined.
So only hit the key once, wait then hit them again, wait then again. allow time for the monitors to change.
If that does not work. I would suggest taking it to someone who is experienced with laptops. If under warranty, call Dell Tech support
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Ron Sena
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