hp screen become sot sot...

duno y my hp screen now vr geng..
suddenly vr light colour..
like kena bleach like tat..

but hor..
oso vr geng..
now looks like touch screen.@@
cz if i press the screen, the screen colour become darker..
if i didn touch..
the colour become unfacinating..

does tis mean my handphone nid me to sayang more then only gt true colour c..?
lolz..