Check if your remote requires you to key in all three digits (e.g., "045 instead of "45").
Your remote may also require you to press "enter" after selecting a channel.
If it is a universal remote, make sure that the "TV" function button is selected.
Try restarting your cable box. Power down your equipment for 60 seconds and then turn it back on.
Using an antenna? Try moving your antenna to an area where it gets a better signal. If that doesn't work, your TV may require an amplified antenna.
Isolate the problem. Try using your cable/satellite box or DVD player with your TV to see which component of your system is having the problem.
Try moving your antenna.
If you have cable or satellite, contact your provider to see if they can boost your signal or further troubleshoot the problem.
Double-check that your cable/satellite box's resolution is set to be compatible with your TV.
No, this is normal. The delay could be caused by changing from an analog channel to a digital channel.
Use the "Help" button or refer to the remote owner's manual.
Always keep remote pointed at the sensor on your equipment.
Reset the remote by removing the batteries or turning it off.
Restart any equipment that is being used with the remote.
Verify the volume is on and not on mute.
Turn on digital sound on your cable/satellite box, DVD player, etc.
Verify your front speakers are turned on.
If you have an audio receiver, make sure it is on the correct input and turned on.
Double check that the TV and the source device (DVD, cable/satellite box, etc.) are turned on and that the TV is on the correct input.
Make sure the receiver is in the correct sound mode.
If you are listening to a CD or mp3 player, this will only be output in 2-channel stereo sound (front right and left speakers only).
Remember, not all programming is recorded in surround sound. Dialogue or commentary only comes from the center speaker.
Make sure your TV is set to the correct aspect ratio (e.g., 16:9 or 4:3). This can be done by using your TV's remote with the "Aspect Ratio", "Screen Size" or "View Mode" buttons. Refer to your owner's manual if your TV does not have these options.
If you are watching an HD channel and the picture has vertical bars on the sides, the program that you are watching is not being broadcast in HD. The channel maintains the original broadcast ratio, which is not in widescreen format.
Blu-ray Disc players require firmware to operate. Firmware is a type of computer program in the Blu-ray Disc player making it possible to play movies and access other features. Firmware is easy to update and can fix problems with existing features.
Visit your manufacturer's Web site to see if there are current firmware updates available to install.