Notebook does not show a picture even if you hang it from an external monitor what to do?

ly
1

My notebook turns on loud flashing lights etc. From the fan but no picture not even a black picture but off, if you hang it on an external monitor it also does not work…

Ar

Either have it straightened, if that is still worth it, or swear, because if external screens don't work either, the graphics card is usually enough.

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