To make it a hard reset, you have to unplug the TV from AC mains wall socket, and re-plug it after 15 minutes or so. If you wish to make it a system reset, you have to enter its service mode; and is really a semi-skilled procedure. If
you wish to get some details, check this link.
http://electronicshelponline.blogspot.com/ Selecting the view option, either to
Mosaic / Timeslide / Flipcard, can be
selected by the
drop-down list, at the top left of the display window,
will make surf easy. You can also do a
search, by type in the
brand name / model number / IC used, in the
search box at the top right of the display window.