Sure, every time you turn on the TV and the screen goes dark, try everything but the TV still doesn't turn on. You think the television is broken, and bring it to the store with the repair cost of up to several hundred million dong.
The tips that WebTech360 shares on how to best fix the dark TV screen at home will help you avoid unnecessary costs!
>> TV screen streaked: How to solve?
The light sensor feature on the TV will help the TV automatically adjust the screen light according to room lighting conditions. It may be in daylight conditions when you turn on the TV, and the TV will automatically dim the light.
So if you want the TV screen to have maximum or arbitrary brightness, you just need to go to: TV Settings> Power Saving> and here you find and turn off the light sensor (depending on each TV can be named sensor, light sensor, eco sensor ...).
For each television, it will allow users to customize the picture modes to their liking. But this will affect the brightness of the screen.
- For example, on a Sony television, when you switch the picture in movie mode, the screen may go dark.
In that case, do the following:
- Go to Settings> select Picture (or screen, depending on TV model)> in the picture mode, you bring the TV to standard mode.
If you feel that the TV screen is still dark, you should overcome by increasing the brightness of the TV (Brightness) and the backlight (Blacklight). You should also only set the setting to about 40% to 60% when compared to the maximum, and should not set the TV screen too bright because it will cause eye pain and when viewing the image will be bad.
It may be due to the battery saver mode on the TV, at which time the screen will go dark to help save power on your TV.
If you find that the TV screen is too dark, check the power saving setting on the TV to see if you have this mode turned on. If so, please turn it off to make the TV screen brighter or you can adjust to the lowest level of savings.
The screen brightness sometimes depends on the video quality, such as when you watch movies with USB on the TV, even though the screen brightness is very good, but the video you play is a bit dark when you watch on TV is still dark as usual.
To overcome this, now you need to watch content from multiple sources such as watching from USB, connecting a laptop, watching TV, or watching online movies from YouTube, FPT Play, ... If you see video in the morning and evening, you will be able to connect. Note that the dark TV is the source of your dark video input.
The above are the causes and solutions for a dark TV screen. If you have checked and applied the methods in this article, but the brightness of the TV is still unchanged, the TV screen is still dark then it is time to bring the TV to a genuine service center or You contact reputable television repair services.
See more:
>>> Instructions on how to factory reset Sharp Smart TV 2018
>>> Detailed instructions on how to factory reset TCL smart TV
A practical October 2026 Chicago and Illinois home-maintenance checklist covering first frost, heating safety, gutters, leaves, pipes, renters, and winter-storm preparation.
Plan Chicago’s October garden with Illinois Extension advice on garlic, bulbs, indoor herbs, microgreens, frost protection, and a week-by-week checklist—using climate normals separately from the live forecast.
National Voter Registration Day is September 15, 2026. Learn how to register online, by mail, or in person and verify your voter status.
New to podcasting? Learn the 2026 trends shaping video, discovery, transcripts, AI, analytics, monetization, and a practical launch plan.
A practical UGC masterclass for sourcing, permissioning, briefing, publishing, and measuring customer and creator content without losing authenticity.
Community building can deepen trust, retention, feedback, and advocacy, but it is not a replacement for every marketing channel. Compare the tradeoffs and choose the right model.
Learn what major social platforms have actually confirmed about ranking changes in 2026, what depends on context, and how to adapt without chasing myths.
Learn how to make brand storytelling feel credible, human, and specific—using proof, real tension, ethical customer stories, and a practical authenticity check.
Build a smarter Q4 email strategy by balancing reach, frequency, discounts, automation, deliverability, and measurement for profitable holiday growth.
Learn how to create short-form video that converts by balancing hooks, format, authenticity, CTA, platform fit, and testing across TikTok, Reels, and Shorts.
