reply to Bada Bing
Re: Dell Inspiron 8100 Laptop LCD problem Replacement Inverter boards for the DELL Inspiron series Laptops are available on the web for between $50 - $60 or so...
Do a Google search on "DELL Inspiron 8100 Inverter", and you'll find lots of references...
If You're Unsure, "RTFM"... If You're SURE, "RTFM" Anyway.