Why does my Insignia NS-24L240A13 have bright or dark spots?
- HhblackSep 23, 2025
A few bright or dark spots on an Insignia LCD screen is normal and does not affect the operation of your TV.








Why does my Insignia NS-24L240A13 have bright or dark spots?
A few bright or dark spots on an Insignia LCD screen is normal and does not affect the operation of your TV.
What to do if my Insignia LCD TV says 'No signal'?
To resolve a 'No signal' error message on your Insignia LCD TV, first, press the INPUT button and ensure you've selected the correct input for your device or service. If you're using a cable or satellite box, use the remote that came with the box to change channels and make sure you have selected the correct input to view channels from that box.
Why is my Insignia NS-24L240A13 LCD TV remote control not working?
If your Insignia LCD TV remote control isn't working, ensure the power cord is properly connected to both the TV and the power outlet. Verify there are no obstructions between the remote and the sensor on the front of the TV, and aim the remote directly at the sensor. Also, make sure you've removed any plastic wrapping from the batteries, that the batteries are correctly installed, and replace dead batteries with new ones.
How to fix Insignia NS-24L240A13 LCD TV with good picture but no sound?
If your Insignia LCD TV has good picture but no sound, try the following: Increase the volume, make sure that the sound is not muted, and ensure headphones are not connected (as this disables the TV speakers). Also, verify that the correct audio mode is selected, the audio cables are securely connected to your TV, and the antenna or cable TV is properly connected. If using an antenna, check the digital channel signal strength. Finally, try a new set of audio cables in case the current ones are faulty.
Why does my Insignia LCD TV have no power?
If your Insignia LCD TV has no power, ensure the power cord is properly connected to the TV and the power outlet. If it's connected, unplug the power cord, wait 60 seconds, then plug it back in and turn on the TV. Also, check if other devices are causing interference; try turning them off one at a time and then moving the interfering device further away from the TV.
Why does my Insignia NS-24L240A13 LCD TV cabinet creak?
If your Insignia LCD TV cabinet creaks, when the TV is in use, the temperature rises naturally and may cause the cabinet to expand or contract which can cause a creaking noise. This is not a malfunction.
Why some settings cannot be accessed on Insignia NS-24L240A13 LCD TV?
If some settings cannot be accessed on your Insignia LCD TV, the setting is not available in the current video input mode.
Why are there no channels after auto channel search on Insignia NS-24L240A13?
If after Auto Channel Search, there are no channels on your Insignia LCD TV, reception can vary by channel depending on the broadcast power level of a given station. Contact your cable or satellite TV provider. Make sure that the antenna or cable/satellite TV is connected securely to your TV. Try replacing the cable between the antenna/cable or cable/satellite box and your TV.
How to fix double images on Insignia NS-24L240A13?
If your Insignia LCD TV displays double images, use a highly directional outdoor antenna, cable TV, or satellite TV.
How to reset parental control password on Insignia NS-24L240A13 LCD TV?
If you've lost the password for your Insignia LCD TV, enter 9999 to access parental controls, then set a new password.
| Screen Size | 24 inches |
|---|---|
| Display Type | LCD |
| Resolution | 1366 x 768 |
| Refresh Rate | 60Hz |
| HDMI Ports | 2 |
| USB Ports | 1 |
| Backlight Type | LED |
| Component Video Input | 1 |
| Composite Video Input | 1 |
| Inputs | HDMI, Component, Composite |
Instructions for attaching the stand or wall mount bracket.
Lists items included in the package.
Identifies front panel components.
Instructions for qualified service personnel.
Conditions requiring professional service.
Grounding instructions for outdoor antennas.
Advice on preventing condensation.
Warning about mobile phone interference.
Disposal information for materials like lead and mercury.
Explanation of non-active pixels.
Guide to choosing the best connection type for video quality.
How to connect using the HDMI input for best quality.
Steps to insert batteries into the remote control.
Instructions on how to point the remote at the TV sensor.
How to connect an antenna or cable TV without a set-top box.
Guide for connecting a DVD or Blu-ray player.
Steps to connect a cable or satellite box.
Detailed steps for DVI connection to a cable/satellite box.
How to connect using component video for improved quality.
Steps for connecting a cable/satellite box via composite video.
How to connect using a coaxial cable.
Guide for connecting a DVD or Blu-ray player using HDMI.
Steps to connect a DVD/Blu-ray player via DVI.
Steps to connect a DVD/Blu-ray player using component video.
Steps to connect a DVD/Blu-ray player via composite video.
How to connect a VCR to the TV.
Guide for connecting a computer via VGA.
Steps to connect a computer via HDMI.
How to connect a USB flash drive to view photos.
How to connect a home theater system using digital audio.
Information on operating the TV with the remote control.
Steps to insert batteries in the remote control.
Instructions for pointing the remote at the TV sensor.
Instructions on how to power the TV on and off.
How to choose the active input source for the TV.
Overview of the picture settings menu.
Overview of the audio settings menu.
Overview of the channels settings menu.
How to navigate through the TV's on-screen menus.
How to view TV software and system details.
How to increase or decrease the TV volume.
How to display current program and channel details.
How to adjust picture settings like brightness, contrast, and color.
How to adjust audio settings like sound mode and balance.
Steps to scan for available TV channels.
How to hide channels from the channel list.
How to view channels from a created favorite list.
How to assign custom labels to channels.
How to set or change the parental control password.
How to block TV programs without ratings.
How to block TV programs without ratings.
How to enable or disable closed captioning.
How to choose analog closed captioning display styles.
How to customize digital closed captioning appearance.
How to set the TV's internal clock.
How to change the language of the on-screen menus.
How to enable or disable the automatic input detection feature.
How to assign custom names to input sources.
How to connect a USB drive to view photos.
How to select the USB input source.
How to view photos added to the favorite list.
How to play photos as a slideshow.
Solutions for common video and audio problems.
Solutions for general TV operational problems.
Troubleshooting steps for USB photo display issues.
Instructions for programming a universal remote.
FCC compliance statement for the device.
Warning regarding modifications not approved by FCC.
Requirements for shielded cables for connections.
Canadian compliance statement for digital apparatus.
Definitions of terms used in the warranty.
Duration of the product's warranty coverage.
Details of what is covered under the warranty.
Procedures for getting warranty service for the product.
Geographic limitations of the warranty.
Exclusions from the warranty coverage.











