Open command prompt with admin rights
change to parent directory e.g. C:, D: in which window is installed
type attrib -r -s -h /s /d *.*
wait till it process, after finishing it will return to parent directory.
Do it for every partition.
close command prompt & restart your computer.
hope this...
go for Samsung 3D model.
if you think about 7000 then after some days, you will realize this loss.
Samsung have better quality management than Philips.
Have a look at official webpage
LG 42PJ350 Television - 42" Plasma TV - LG Electronics SA
It s clearly mention that resolution of this model is just 1024 * 768.
for more info about display resolution have a look
Hope it will help you to understand limitation of your Plasma tv.