What Causes Horizontal Lines on TV Screen

Horizontal lines on a TV screen are often caused by cable issues, signal interference, or problems with the display panel.
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Explore Televisions
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3 min
07-Oct-2024
Horizontal lines on a TV screen can be annoying and ruin the overall viewing experience. These lines may appear due to various technical issues, from loose connections to internal faults. In this article, we will dive into the common causes and solutions to help you enjoy a seamless viewing experience again.

After learning about these causes and fixes, consider browsing on Bajaj Mall for a range of high-quality TVs with excellent financing options. You can also visit any of Bajaj Finserv’s 1.5 lakh partner stores in 4,000 cities in India and choose a new model with a zero down payment option. Make your purchase more affordable by converting the cost into Easy EMIs.

Common causes of horizontal lines on TV screens

Horizontal lines on a TV screen can be caused by a variety of factors. One of the most frequent causes is loose or damaged cables, which can disrupt the signal and result in lines appearing on the screen. Signal interference from external devices, such as gaming consoles, set-top boxes, or even wi-fi routers, can also trigger this issue. Another reason could be a malfunctioning display panel, often due to physical damage or ageing components. Additionally, internal software glitches or outdated firmware may cause horizontal lines on the screen. It is essential to identify the root cause to take the appropriate steps to fix the issue and restore your television's optimal viewing experience. Check out the latest television models on Bajaj Mall.

Steps to fix horizontal lines on TV

  • Check cable connections: Ensure that all cables are securely connected, as loose or damaged cables can cause horizontal lines. This step is crucial, especially when using a Full HD TV for the best viewing experience.
  • Restart the TV: Turn off your Android TV and unplug it for a few minutes before plugging it back in. This simple reset can often resolve software glitches.
  • Update firmware: Outdated software can lead to display issues. Check for firmware updates and install them to ensure smooth functioning.
  • Test with another device: Connect a different device to your TV to determine if the issue is with the television or external equipment.
  • Contact a technician: If the problem persists, seek professional help, as it could indicate an internal hardware issue.
Table: Potential causes vs. troubleshooting solutions

Potential causeTroubleshooting solution
Loose cable connectionsEnsure that all cables are firmly connected to avoid display issues. Recheck HDMI and AV cables for any damage or improper fit.
Outdated firmwareUpdate your TV's software by accessing the settings menu. Regular updates prevent glitches and enhance overall performance.
External device interferenceDisconnect any connected external device (for example, set-top box or gaming console) and check if the lines disappear. Reconnect one device at a time to identify the culprit.
Internal hardware malfunctionIf lines persist, it might be a hardware issue. Seek professional repair services to avoid further damage.
OverheatingTurn off your TV for a while to let it cool down. Ensure proper ventilation around your TV to prevent overheating in the future.


Horizontal line issues can occur on different TV models, including high-end options. If you are on a budget, scroll through our collection of TVs under Rs. 10,000. If you are looking to buy a new television, check the updated list of models.

Updated price list of TVs in India (2025)

In 2025, the prices for various TV models have seen some changes, with options available for different budgets. Whether you are looking for a budget-friendly or a premium smart TV, there is something for everyone in the market.

ModelPrice
Akai 80 cm (32 Inch) HD Ready smart LED TVRs. 9,990
Samsung Wondertainment 80 cm (32 Inch) smart HDRs. 10,990
MI 32 HD Ready smart LED TVRs. 12,990
realme 80 cm (32 inch) HD Ready LED smart TVRs. 13,999
OnePlus 81.28 cm (32 inch) HD smart LED TVRs. 14,999
Sony Bravia 80 cm (32 inches) HD Ready smart LED Google TVRs. 26,990
TCL 109 cm (43 inch) ultra HD (4K) QLED smart TVRs. 29,990
Sansui prime series 140cm (55 inch) 4K ultra HD android LED TVRs. 32,990


Disclaimer: The features, availability, and pricing of each model are subject to change and may vary. For the most accurate and up-to-date information, please visit the official website.

Bajaj Mall is the best place to explore televisions under 25,000 and above. Know the specs, features, and more. Once you have gathered all the information that you need, head to the nearest Bajaj Finserv partner store and select the model you want. Use Bajaj Finserv financing options to make the payment. You can utilise a limit of up to Rs. 3 lakh to purchase your preferred model and repay the amount over flexible tenures ranging from 1 month to 60 months.

How to prevent horizontal line issues

Preventing horizontal line issues on your TV involves a few simple but effective practices. Start by ensuring that all cables are correctly connected and free from damage, as loose or faulty connections can lead to display problems. Regularly update your TV's firmware, as outdated software may cause glitches or performance issues. Keep your television in a well-ventilated space to prevent overheating, which is a common cause of screen problems. It is also essential to handle your TV carefully, avoiding any physical impact that might damage internal components. Finally, invest in surge protectors to shield your TV from voltage fluctuations, which can affect all types of television, whether it is an LED, LCD, or plasma TV. These steps will help you enjoy a smooth, uninterrupted viewing experience.

Explore TVs on EMI with Bajaj Finserv

Bajaj Mall offers a convenient platform to compare TV features, specifications, and details. After gathering the information, head to your nearest Bajaj Finserv partner store, where you can opt for a high-quality TV of your choice. Utilise the easy financing options available, select a repayment tenure that suits your budget, and enjoy your new TV while paying in manageable EMIs.

Benefits of shopping with Bajaj Finserv's financing options

  • Competitive prices: Bajaj Finserv's partner stores offer highly competitive pricing, ensuring you get the best value for your money.
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Frequently asked questions

What common issues cause horizontal lines on a TV screen?
Horizontal lines on a TV screen can be caused by a range of issues. One common reason is a loose or faulty cable connection, which disrupts the signal. Another cause could be internal hardware issues, such as a malfunctioning T-Con board, which controls the image display. Over time, physical damage to the screen or electrical interference can also contribute to these lines appearing. Software glitches or outdated firmware can occasionally cause horizontal lines, especially on smart TVs. Identifying the root cause is crucial to finding the right solution and restoring your TV's display quality.

How can horizontal lines on a TV be fixed?
To fix horizontal lines on a TV, start by checking all cable connections and ensuring they are secure. Loose or damaged cables can often cause this issue. If that does not work, try resetting your television to its factory settings from the menu options. Another quick fix is gently tapping the back of the TV, as it might be a loose internal connection. For Full HD TV or Android TV, update the firmware or software if available. If the problem persists, consult a technician, as it may be a hardware issue like a faulty T-con board or damaged display panel.

Are horizontal lines on a TV a sign of a serious problem?
Horizontal lines on a TV screen can indicate a range of issues, from minor to serious. Sometimes, they may result from loose cables, interference, or temporary glitches that can be resolved easily. However, if the lines persist, it could be a sign of a more severe problem, such as a damaged T-Con board, faulty screen, or malfunctioning internal components. In such cases, it is advisable to consult a professional technician, as ignoring the issue may lead to more significant damage, especially if the TV is an older model or has been used extensively.

Can a TV’s settings affect horizontal lines on the screen?
Yes, a TV's settings can indeed affect horizontal lines on the screen. Incorrect settings, such as improper picture calibration or resolution settings, can lead to display issues, including horizontal lines. Features like motion smoothing or overscan can also distort the image, making lines more noticeable. Adjusting the picture settings to the optimal resolution and disabling unnecessary features can help mitigate these issues, providing a clearer and more stable viewing experience. Regularly updating software can further enhance performance and reduce display problems.

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