Both X1800 and X1850 have been in production for x years already, there is plenty of topics discussing the screen issues, just need to use search.
One post that would bw the most useful to you would probably be this one:
Both X1800 and X1850 have been in production for x years already, there is plenty of topics discussing the screen issues, just need to use search.
One post that would bw the most useful to you would probably be this one: