There is a DIY repair guide "out there" somewhere that describes repairing the 17" screen's inverter board by salvaging components from another failed board (only one of the components had died in each case). I had this some months ago, and seem to recall that a means of testing in situ was described, so it might be useful to do a little googling for guidance. I was planning to source the bits and pieces in order to try a similar repair for my 17" screen, but a donor unit came my way instead.

There is obviously no guarantee that this is going to work, but it is worth a shot if it can be done on the cheap. A new inverter board purchased through the usual online retail channels would set you back about $100 when all is done, and that would be pointless.

Can't find that link mentioned in my first paragraph just now, but this one may help.

Do report back if successful. This is likely to become an ever-more-common complaint.