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Laptop Screen, Inverter Replaced

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4 replies

by ants

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Hi, I've got a laptop here with what looks like a backlight that isn't working (You could still see Windows faintly on it). Replacing the inverter, the backlight turns on at the Windows login screen, but nothing else is there.

Any ideas on what could be wrong? It still works with an external monitor so I _assume_ the graphics card is working correctly.

Would I be right in blaming the inverter? Or is this just wrong? I think so because the screen works without backlight with one inverter, and the backlight works with the new inverter...

4 replies

by w2ktechman

and did not damage or remove any other wires?
It seems as if the data cable is partially unplugged.

by ants

Yeah, my first thought was that the data cable, or some other cable into the inverter was damaged, perhaps when the inverter burnt out (there's a slight smell of smoke from the old inverter which I thought was a hint). So I replaced these cables also.

by w2ktechman

or is just not seated properly. Did you try the old cable?
If the inverter and cables were replaced, and it just did the exact opposite, then the cables/inverter is likely the issue.

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