guys.. wat are the symptoms of a lcd dying??

my samsung 932b+ need almost 10min to start up.. means i cant see anything after turning on my pc.. (few weeks ago, it tooks 1min to start up, after that 5 min., now, i think 10 min. or so ba).. wats going on??
use for a year ++ only..

btw, is the viewsonic VX2433WM or the Acer X233H good?? might need to look for a 22" or 24" lcd with hdmi input.. any recommendation??

opppss.. my mistake..

should be h233h