#led_tv #Hisense_led_tv #vartical_line #panel_problams #colorful After a year or two or owning your Hisense TV, vertical lines can start to show on-screen.
Many people choose to chuck their TV and get a brand new model, but it’s actually very simple to fix Hisense TV vertical lines.
Hisense TV Vertical Lines on Screen
To fix vertical lines on a Hisense TV, check all HDMI and signal cables are securely seated with no oxidation on their contacts, then power cycle your TV to reset it, unplugging it from the wall for 30 minutes and holding down the TV’s power button for 15 seconds, before plugging it back in.
In the vast majority of cases, this will fix your Hisense TV, but in case you still see vertical lines, or if you need more info on how to apply the fixes above, then you can follow the detailed steps below to get your TV working again.
This guide will give you all the necessary know-how to fix this yourself and get your TV back up and running again without needing an expensive replacement.
1. Power Cycle Your TV
Running your Hisense TV through a power cycle will help to clear any potential issues that could be caused by its capacitors retaining charge or internal flash memory holding onto a glitch that is causing the vertical lines. This is quick and painless and won’t cause you to lose any of your saved settings.
Unplug your Hisense TV and hold down the physical power button beneath the IR receiver on the TV for at least 15 seconds.
Wait for at least 30 minutes for any residual power to drain.
Plug your TV back in and try switching it on. You should see a red light if you have been successful.
Although this seems a very basic step, don’t overlook it because in the vast majority of cases a simple soft reset fixes most issues.
2. Unplug Your HDMI Cables
There’s a strong possibility that a poorly seated cable is creating signal noise which is displaying as vertical lines, and is also a common cause of horizontal lines on Hisense TVs.
Faulty HDMI cable with a break in it
Damaged HDMI port with broken pins
Poor HDMI connection where the cable and connector are not fully making contact
To check your HDMI and other cables:
Switch off your TV.
Remove any HDMI or other physical cables connected to the back of your TV.
If you have any compressed air, use that to clean the contacts both of the cable and in the connector on the TV. If you don’t have compressed air, then blow gently on them.
Firmly push the cables back into their slots on the TV.
Switch your TV back on again.
It that hasn’t fixed the problem, then try using a different HDMI input. Most TVs have 3 or 4 HDMI ports.
Update Your Firmware
Software and firmware issues have been known to cause problems with the display on Hisense TVs.
As with any product, you should ensure that you have updated your TV’s firmware to the latest version, even if it is new.
Most Hisense TVs support auto-updating of firmware, but you can’t assume that this is turned on for you.
Check Over-the-Air (OTA) firmware updates are enabled for Smart Hisense TVs by pressing the Home button on your remote, then go to the “cog” for settings, then Support and System Update. Make sure the Auto Firmware Upgrade is enabled.
If your TV doesn’t have OTA support:
Press Home on your remote.
Click the “cog” icon.
Go to All.
Then About.
And System Update.
Click Detect to check for updates.
For older Hisense TVs, even this option for updating your firmware might not be available. In this case, you need to download the latest firmware and install onto a USB stick to install it manually on your TV. Call Hisense Support and they will be able to guide you through the process.
Try Reseating the T-Con Cable
The Timing Control (T-Con) board is a small PCB board that drives your TV’s panel, translating the signal into a picture on your screen.It’s hidden away under the back panel, behind the screen, and is a regular source of vertical lines in TV images because it connects to the LCD / OLED panel with ribbon connectors which can come loose.
To access the T-Con board, you need to remove the back panel. If you’re not confident doing this, then now is the time to get an expert in. Otherwise:
Unplug your TV, hold down the power button and wait for at least 30 minutes. There are large capacitors in the power board for the backlight and these can hold charge for an extended period of time.
Place your TV face down on a large table or workbench. Make sure there is nothing that can scratch the screen on your work surface.
Ground yourself.
Open your TV by unscrewing the screws in the backpanel. It should come apart in two pieces: front and back.
Put the back panel somewhere out of the way and take a look at the circuit boards that have been revealed.
You will see a T-Con panel for translating the signal into a TV picture, a power board and a motherboard board.
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