Armen or anyone else here,

I'm having a wierd thing going on with my lilli 7" touch. I've found that if i power on the machine with the screen off and wait until xp fully boots then turn on the screen, the touchscreen works for a while...like 5 minutes. then it just stops functioning. if i turn on the screen immediately when i turn on the machine, it may or may not work by the time xp boots.
even when the touchscreen is not working, xp and the touchkit.exe still detect the resistive touchscreen. it's just that if i press the screen, nothing happens. i'm thinking it may be related to a capacitor or heat or something. that time thing sort of eludes to that. any ideas would help.