Question

How often does the LCD Screen inverter go bad?

My LCD screen is dim to the point where I can barely see whats being displayed.

From my research, I believe it is the LCD inverter issue and this is my first time that has happened to me in my years with several laptops.

How often does the inverters go bad ?
Would it be ok if I replace it with an used inverter?
Also, is there only one kind of inverter board for Dell Inspiron 1545?

I found this used inverter:
Dell Inspiron 1545 CCFL LCD Inverter Board H251M

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Clarification Request
If possibel

You want "direct replacement" parts, there is no compatible in most cases. Unless, it's such a high turn-over part and/or in such demand the market is there. In no uncertain terms the part has to work, so make sure it's the right one. Most aprts I've seen are "pulls" and/or repaired items. Hardware fails and repairs need to be done. When it comes to laptops, it appears the inverter and/or back-light is a common fault, so anyone's laptop LCD can falter. The only way I know that seems to prolong life of a laptop is good maint. upkeep and a decent bag. The protection of any laptop that travels needs a good(outstanding) bag in order to handle the bumps and drops, etc., and yes it happens and often enough it will bite you. My bag is an oversized(to my laptop) Dell one and I use bubble wrap to further protect it. Gawd, have mercy if air travel alot.

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Answer
It's not a good answer but the only one I have.

They go bad when they go bad. However I see this more often with units that travel a lot. Or 4 or more years old.
Bob

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