How do you unlock a Dell W2306C 23" LCD TV~! THE MAIN MENU SAYS ITS LOCKED
SOURCE: main menu locked om dell
Use the side panel buttons to unlock the TV Menu and side
panel buttons:
A message appears stating that the TV Menu and buttons are
locked.
2.While the message is on the screen, press the volume decrease
and channel up buttons on the side panel simultaneously.
A message appears stating that the TV Menu and buttons are
unlocked.
GOOD LUCK AND PLEASE RATE THIS POST!!!
SOURCE: DELL LCD TV locked up w/screen message "main menu locked"
without a remote and disabled keypad keys, the only other option, is to open the unit up a physically RESET the TV. remove the cables from the power board. i believe it has a phillips head screw. careful when you separate the rear cover from the front cover. there is a board screwed in the lower right corner, there is a connecter and a ground cable screwed to the rear cover. take your time prying on the rear cover. once you separated the two pieces, look for the light yellow board with your AC power source. Unplug it for 30 minutes and repeat the process. while your at it, also look down to the lower left side of the monitor. u should be able to see the keypad. press each button, while pressing, look to see if the button is pressing against the circuit board. it may be loose, try this test, u just may be able to fix your keyboard as well. hope this works out.
Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
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