Your Hisense TV might show different kinds of display issues due to technical errors and long-term or inappropriate usage. One such problem most users report is their Hisense TV keeps dimming. If you encounter this issue, check the TV screen well and look for any damage, crack, or trace of moisture. If you notice something, you have to repair your Hisense TV to rectify the issue.
In case the TV screen condition is good, there should be some hardware-related problems, or you have personalized some display settings/options in the wrong way. In the latter scenario, your DIY troubleshooting will help sort out the issue.
Hisense TV Keeps Dimming – Possible Causes & Fixes
- Improper Hisense TV Connection
- Wrong Customization of Display Settings
- Disruption of Dynamic Contrast
- Active Power Management Options
- Temporary Issues on Hisense TV
- Old Firmware on Hisense TV
- Problems in Software/Internal Components
The above-listed factors are elaborated on to provide you with better clarity about the current issue, and the necessary solution for each of them is given alongside.
Improper Hisense TV Connection
After making sure there are no impairments on your Hisense TV screen, you should check the connection. Basically, if a Hisense TV screen turns dark within a few seconds after turning on or while running, there is a loose connection of the TV cord or connected device. Sometimes, there will be damage to the cords involved in the connection, which also deserves your attention.
Solutions: Check Loose Connection, Wire Damage & Power Supply Issues
Check Loose Connection:
Go near the power socket that is powering your Hisense TV. See whether the TV cord is fitted fully into the socket’s slots. If it is partially staying out, remove it completely and insert it into the slots well.
Inspect Wire Damage:
Check the TV cord and make sure it does not have any doglegs, core rupture, insulation damage, or breakage. If anything is there, immediately repair the wire or completely replace it with a professional’s help. If you are using a streaming device and experience a dim screen issue, follow the same procedure for your streaming device’s connection and HDMI cables. Now, turn on your Hisense TV, and you can see the display is normal, as it was before.
Check Power Supply Issues:
If nothing changes, switch to an alternate power socket, as the current one could be problematic or not receive a power supply. With that, make sure your Hisense TV’s ambiance does not have any voltage supply issues. Otherwise, it is better to use your TV after fixing the voltage problems to prevent heavy damage to minute internal display components.
Wrong Customization of Display Settings
The next major reason for having dim screen is that you could have altered some of the Hisense TV display settings for watching a particular content or using in a certain level of lighting. It is not getting matched now and looks like the TV display has completely gone. So, restoring the old settings will bring back your Hisense TV to normal state.
Solutions: Adjust Brightness & Backlight Level
Change Brightness level:
Go to the Settings option. Though it is tough to operate your Hisense TV with the dim screen, stand closer and do it somehow. Select the Display or Picture option and access your Hisense TV brightness settings. See at what level it is. If it is set to a low level, move the adjustment slider towards the right and increase the brightness of your Hisense TV.
Adjust Backlight:
If changing the brightness level shows a lit bit of improvement, then you should checkout the Backlight level. In the same section where you launched the brightness settings, look for the Backlight option and increase its level as well. Now, you can see a solution for your on-going issue if no other technical reasons have favored it.
Instead of accessing these two options, you can also reset picture settings, and the TV will set the appropriate display settings for proper functioning.
Disruption of Dynamic Contrast
Dynamic contrast is a mode that is perfect for watching movies on Hisense TV. Because, it sets the right mood by enhancing darkness and brightness according to the images running. What is troublesome is, if there is no colorful image on the screen, then this mode can sometimes interrupt with the on-screen options and makes them also look dim.
Solution: Turn OFF Dynamic Contrast Option
The simple way to tackle dim screen issue because of Dynamic contrast enabled is turning it OFF. Head to Picture Settings and locate the Dynamic Contrast option mostly under the Picture Mode Settings section. It will be kept in High, Medium, or Low level. Select the OFF option and you will get a rectification from the issue.
Active Power Management Options
If nothing is wrong with your display settings and mode selection, then you should be having the options that limits TV power consumption enabled. Just like the previous outing, you have to check it out and disable to fix your Hisense TV’s dim screen.
Solution: Disable Power Saver, Automatic Light Sensor & Eco Modes
From the Settings menu, select the Auto power savings option on your Hisense Roku TV. On Hisense Google TV, select Energy Saver, and on Hisense Xumo TV, select the Energy Savings option. Disable it immediately.
Similarly, inspect the Eco mode or the Automatic Light Sensor that alters screen brightness according to the ambiance from the Picture Settings of your Hisense TV. Incase any of them is ON, turn it down.
Temporary Issues on Hisense TV
If the connection is proper and the display/power saver options are nonfunctioning, there is a chance that your Hisense TV is undergoing some short-term issues. If so, trying some basic troubleshooting methods is enough to save yourself from the Hisense TV screen dimming issue.
Solutions: Restart & Power Cycle Hisense TV
Restart Hisense TV:
As a first step to fix short-tern errors, long-press the TV Power button for about 5 seconds and restart your Hisense TV. You can find the Power button on the Hisense TV unit at the bottom middle, right side corner, or near the IR sensor underneath the screen according to the model. After restart, check whether the TV screen has brightened up.
If not, it’s time to power cycle your Hisense TV because there might be some troubles transmitting power to the screen.
Power Cycle Hisense TV:
Remove your Hisense TV cord from its connected socket. Give it a rest time of 15 to 20 minutes. After that, connect it back to the power source and boot up. If only there had been a short-term error, the Hisense TV screen would be bettered as of now. If not, check out the next troubleshooting method.
Old Firmware on Hisense TV
Currently, you might be using your Hisense TV without updating. An outdated firmware is viable for attracting unwanted bugs or corrupting the stored cache data. These factors bring up different types of problems in TV, and it is not wrong to consider them as one of those factors responsible for your Hisense TV’s constant dimming.
Solution: Update Firmware
Manage to navigate through the respective options on Settings and check the firmware version of your Hisense TV. If it is outdated, select the Update Now/Install Update option according to the OS model and update your Hisense TV firmware. After the updation is over, restart the TV once. If you are lucky enough, your Hisense TV screen dimming will probably be sorted out. If it is in the same condition, then you have to consider the upcoming factors and proceed with their troubleshooting methods accordingly.
Problems in Software/Internal Components
If you are done and dusted with all the above-mentioned fixes, then the problem on your Hisense TV might be a bit serious. Either you should be having a software-related issue, which you might be able to fix on your own, fortunately. Otherwise, the internal components of your Hisense TV will have impairments, and your troubleshooting wits won’t work in this scenario.
Solutions: Reset or Repair Your Hisense TV
Factory Reset Hisense TV:
This one is going to be the last measure that you can try on your part. Your TV software is corrupted or attacked by malware, which is reflected in the form of a dim screen. So, you shall reset your Hisense TV to factory default settings and recover it. To do so, attempt to access the on-screen Settings menu and select the Reset to Factory Defaults or Factory reset everything option.
Otherwise, locate the Reset button on your Hisense TV with Android/Roku OS and hold it for about 10 seconds to perform a factory reset.
By resetting you can wipe out all the problematic factors on your Hisense TV. You will most likely get your Hisense TV setup screen without dimness on the display. If it is the same, then you have no other go than consulting a professional.
Repair Hisense TV:
It is now evident that there is damage in the internal parts related to your Hisense TV. Mostly, the T-con board is the one that is problematic. In some worst cases or due to heavy usage, your Hisense TV backlight is probably not working. There should be loose contact, strip burnout, or bulb issues. Also, you will notice that your Hisense TV will turn off by itself. In either of these scenarios, you have to repair your Hisense TV, which obviously can’t done by you.
So, contact the Hisense TV support service or any Hisense-authorized service center nearby. They’ll provide assistance or guidance to take the TV to their place and analyze it. After finding the exact reason why your Hisense TV keeps dimming, they will take the necessary actions to repair the damaged part after informing you. The t-con board demands $15 to $88, and the backlight $100 – $250 for repair, respectively. If the part has gone past the repair condition, they’ll replace it with a new one and charge accordingly. If you have a warranty for your Hisense TV, then you can get it done for a low price or free.
Contact Details of Hisense Customer Support:
- Online contact form: www.hisense-usa.com/contact
- Email address: [email protected]
- Phone number: +1 (888) 935-8880
How Do I Stop My Hisense TV From Dimming?
- Always ensure to make the TV connection property and keep the wires damage-free.
- Prefer sticking to the default picture settings.
- Turn off power management options and think about controlling your screen time.
- Regularly update your Hisense TV and clear cache files. It is better to turn on automatic software updates.
- Avoid hitting or dropping your Hisense TV at any cost to prevent screen or internal component damage.
FAQ
If you have your Hisense TV screen going dark, then any of its accessories is faulty. So, replace it with genuine Hisense product and fix it.
