LG TV Stuck on startup screen- Repair- LG Life's Good

so got this LG TV stuck on the welcome screen. Tried a few things in the end i replaced the main board to get it working :) My LG TV model was : LG 42LD490 Here&how i did it. Bought the main board from here Put your model number in and a compatible board should appear. Try a reset ------------ Unplug it for 5 minutes, then plug it back in and try. If that does not work try one of these to access service menu and see if it gets past boot.. * Service Menu Press and hold the {MENU} button on the remote and the {MENU} button on the TV at the same time, until the first Service Menu is displayed. * Service Menu Repeat the above sequence: Press and hold the {MENU} button on the remote and the {MENU} button on the TV at the same time, until the second Service Menu is displayed.