Screen Brightness Changes With Subtitles

Re: [SOLVED] MacBook Pro - adjust screen brightness My only conclusion is: if pommed works, and the manual backlight control works, then it must be a config problem with pommed. Reset the Monitor to Factory Defaults. Evaluation Charts: As a rough check of your monitor calibration, you can compare an electronic version (converted to sRGB) of a GretagMacbeth™ ColorChecker® to the real thing. Hit the “T” button to change the font, font size, color, style, effect for the subtitle. title language. Write in the end: From the tutorial you can learn how to merge subtitles with video easily. Mauro Huc @pureinfotech. HTTP Playback. For accurate adjustment use a hardware calibration device. IR Control Kit Hookup Guide 2. Suddenly the key combination FN +F6 / F7 to adjust the display brightness does not work anymore. Click "Effect" to change effects here. Drag Horizontally - Change playback position. Right-click the Start button > Control Panel > Hardware and Sound > Power Options > Balanced (or whichever plan you are using) - Change plan settings > Change advanced power settings > Display > Enable adaptive brightness > "Off. Or better said, some fluctuations occur. If subtitle is ahead of sound, press g. So you can access it with 1 click. Network Center: Quickly turn wireless networks on/off. Decrease screen brightness** by 5 to 10%. Dark colours and lack of white on screen cause the screen to dim. The Subtitle display will disap-pear automatically if the ‘SUBTITLE’ button is not pressed again within 3 seconds. Choose the [VIDEO] screen where you can control the image. The LG OLED TV shows much smaller changes in Brightness with Viewing Angle. Brightness increases when the menu or subtitle is displayed on my TV Subtitles still appear on the TV screen even when it is already disabled in the menu setting of the Blu-ray Disc player. When a subtitle appears on screens, the screen brightness changes, and then returns normal when the subtitle goes away. How to change subtitles color and font?(etc. -On the first item, Picture, you should see a list of options on the right. Thankfully, we can change screen brightness in Windows 10 easily. Select Accessibility. The brightness of a mobile device display changes depending on the level of ambient light. Do this for all your Power Plans. It's caused by the passion displayed in the post I browsed. The tracks are formatted in WebVTT format (. These links will surely help you out. The result is a flashing movie each time someone is speaking (subtitles). Ventilation Openings 5. On some laptops, you may have noticed a change in brightness as you go from a screen with a dark background to a screen with a bright background. While Android 10 brings a few of these features to the broader Android phone population, the Pixel 4 and Pixel 4 XL are. 187 64 bit up and running and all drivers and software is updated. I don't know what the name of the model I have is, but it's an Asus laptop with a touchscreen, model number atheros/ar5b125. I watch Netflix on three different devices: Desktop computer with a ViewSonic 1920x1080 screen, LG G3 cell phone and an older LG tv hooked up to a Ps3. Battery: Change the current power management scheme. To get the monitor's minimum and maximum brightness values, call GetMonitorBrightness. I can't make the screen either brighter or dimmer, and it's driving me nuts. Anyone can host a screening. Thanks for posting your inquiry regarding the Ionic's display brightness. Projections. Natural lighting in my room varies quite considerably so it would be nice to be able to easily adjust the brightness of the display for optimal viewing. 2,Adjust the position of the subtitle. From any home screen, tap Apps. Join over 30 million professionals around the globe that use TechSmith software to show off a product, teach a course, train others, and communicate in a faster, more engaging way. Likewise, if the current brightness level is at 100%, clicking the tile will bring down the screen brightness to 25%. Click the Play button on the bottom right. When user tries to increase or decrease the brightness with the keys Fn+F11/ F12/ etc. How to change text and background color in Windows 10. If you are unable to adjust the display brightness with dedicated keys on your keyboard, please try other methods as well. Supposedly the Pixel 4 only does 90hz if the screen brightness is over 75%. 4K 5K 8K 16K Video player App allows to display Ultra HD media and mkv Blue ray 4K 8k & 5k movies with subtitle on your android mobile phone for Free. Now find the display adapter driver and select ‘Update Driver’ Step 3. So First Disable Auto-Brightness using above steps. Natural sunlight near a window or outdoors works great, too, as does playing near a lamp, etc A light source that is above or behind the player will maximize the brightness of the game. Languages to download subtitles for Preferred Subtitle Language Sets the default subtitles when different languages are available. Backlight: Timeout. You can even add special sound. The brightness of the screen increases when a menu item (on-screen display) or subtitle is displayed. We apologize for the delayed response, Luke. Windows 10 includes tools you can use to adjust the color, contrast and brightness of your screen. Processing is a flexible software sketchbook and a language for learning how to code within the context of the visual arts. In the next example, we dynamically increase or decrease those values based on the mouse's horizontal location. (If the slider isn't there, see the Notes section below. Select your preferred audio or subtitle options. When you play a video you mostly want to switch to the full screen mode. The easiest way to download subtitles. * Subtitle: On this panel, you can add subtitles to the video by importing external subtitle file. For some affected users, display brightness resets to 100%, which is the maximum possible amount, whereas for others it resets to 50% or some other value, varying from one affected computer to the next. 5] Open My Dell and Run PC Checkup for your Monitor. There are two visual settings that get used more than the others on the Samsung Galaxy Tab: Screen Brightness and Screen Timeout. Subtitle Shortcuts. VLC has all the necessary features to place the text exactly where you want to. If on Windows 10, also click or tap the Advanced display settings link. When you're in a dark room, you'll want it dim so it doesn't hurt your eyes. Volume: Swipe up, then change the volume. Extensive, exportable, wiki-style reference lists for Keyboard Shortcuts/Hotkeys. Touch Change Plan Settings. Brightness increases when the menu or subtitle is displayed on my TV Applicable Products and Categories of This Article This occurs because the Dynamic Backlight Control function is adjusting the brightness of the screen when menu items (on-screen displays) or subtitles are detected. Open Settings. However on Linux it could be a bit problematic. Change the "Display brightness" slider in the window that appears. Change Screen Brightness With Registry Tweak Having the correct screen brightness is very important. Swipe up and down on left side of playing screen to adjust brightness as per your need. Another technique for establishing time and place is the use of a subtitle on screen that gives the place and the date. How to Change Brightness of Built-in Display in Windows 10 If you have a laptop or tablet, you might need to occasionally change the screen brightness. Generally, there’re 2 options for you to add subtitles. Suddenly the key combination FN +F6 / F7 to adjust the display brightness does not work anymore. I've noticed when opening some windows, the brightness appears to gradually increase. The timer goes anywhere from 30 seconds to 5 minutes to Never. Center Your Monitor For most workstations, the best position for your monitor is directly in front of you. The Windows Mobility Centre could be opened with the key combination "Windows key" + x. Select OSD language You can select a different language for the onscreen display text. Why does my laptop screen brightness goes darker when i unplug my battery charger? And then whenever i plug in my battery charger the screen goes bright again, i searched on google for the answer but none seems to work, i went to control panel, more power options, etc. The video contains one or more weird lines. It is likely not the brightness in Windows which is causing your headaches, if the monitor back-light is too bright it will not matter if you adjust the brightness in the software since the same amount of light is being emitted by the back-light o. The hepatitis C virus is the most common cause of chronic viral liver disease in the United States. Light colors make the screen brighter, dark make it darker. If all else fails you could write your own little brightness script, but really this should just work (i have the exact same machine). Adjust Brightness, Contrast and Saturation The time that the subtitle should appear on the screen, and then disappear. EZTitles covers the full range of the DC subtitle specifications and supports ruby characters and vertical text. How to change brightness in acer monitor. The #Galaxy #S8 which sports a 5. ----- Center Click Opens Changer Panel for Video Quality and Streaming Server. If you try to adjust the brightness using Windows Settings apps, you won't be able to change. Increasing Eye Comfort for Writers, Editors, and Others Who Work in Intensive Text Environments. Select Auto-Brightness Adjustment to turn on or off automatic brightness adjustment, which changes the screen brightness depending on the amount of light in the room. Or better said, some fluctuations occur. None worked. Forward video: Seek right to forward the video. Frequently Asked Questions While viewing television, my AQUOS TV is displaying video content in black & white. I don't know what the name of the model I have is, but it's an Asus laptop with a touchscreen, model number atheros/ar5b125. SHOP SUPPORT. To get the monitor handle, call GetPhysicalMonitorsFromHMONITOR or GetPhysicalMonitorsFromIDirect3DDevice9. you can see brightness is increasing and decreasing. Text Background – Select the color and opacity for the text's background. If you are having trouble adjusting the brightness or contrast of your laptop display, keep in mind that every model of laptop (and every operating system) is a little different. I watch Netflix on three different devices: Desktop computer with a ViewSonic 1920x1080 screen, LG G3 cell phone and an older LG tv hooked up to a Ps3. See screenshots, read the latest customer reviews, and compare ratings for Display Brightness Control. tags in SMI subtitles - Fixed some H. If you see a moving X, turn the brightness down until the X just disappears. Display Brightness is a simple tool that aims to help you modify the brightness of your PC screen. Change Screen Brightness With Registry Tweak Having the correct screen brightness is very important. Just open a video and the select Find subtitles on opensubtitles. For accurate adjustment use a hardware calibration device. Select Accessibility. The file actual_brightness contains the currently set brightness level. How to change screen brightness in Windows 10? Solution1: Adjust Screen Brightness Using Control Panel. To start with, turning down your monitor's brightness may help you, but brightness is not the really issue. This value should be set so changes to the display target nits are invisible to the eye. My monitor seems to be dimming and brightening on its own. If your computer has a battery, you will have a screen brightness option for when on battery as well as on power. I can change color modes via monitor, text is like 25%. Anyone can host a screening. Both are typically used as a transcription of the audio portion of a program as it occurs (either verbatim or in edited form), sometimes including descriptions of. Toggle Your iPhone's Brightness With a Home Button Triple Tap. How to change brightness in acer monitor. We apologize for the delayed response, Luke. I've gone into the windows display settings and unchecked the option to change brightness automatically. Depending on the signal your TV receives, the images on the screen can fill the screen from edge to edge on the screen or can be smaller, looking like a square in a rectangle shaped screen. It comes with a number of display settings including brightness. In the [SCREEN], you can change the screen format. You can use this feature to change the brightness of the entire screen. In our example, crop,vflip are. Manually adjust screen brightness using slider. Write in the end: From the tutorial you can learn how to merge subtitles with video easily. To help you adjust monitor screen brightness, please follow the instructions mentioned below: -Press the middle button on the monitor panel; this should bring up the On Screen Display (OSD). It's especially noticeable during dark scenes and subtitles appear on screen. This possibility is mostly intended for playback of Internet Radio (see "Internet Radio playback" section), but it can also be used for playback of other kinds of content streamed over HTTP protocol. Contribute to kevva/brightness-cli development by creating an account on GitHub. Likewise, you can choose on whether your subtitle will be over black or over video which simply indicates how the subtitles will appear on the screen. Change screen brightness. Note: The type and number of subtitle languages vary from disc to disc. 2 Ways To Dim or Increase The Brightness of Laptop or Notebook LCD Screen 5 Tools to get Status Information About your Laptop Battery 10 Tools to Adjust Laptop and Monitor Brightness, Gamma or Contrast Levels 8 Tools to Quickly Change or Switch the Default Audio Sound Output in Windows 7 Tools to Measure Length, Width and Height on Your. This happens mainly in HDR content. First thing I checked was the Windows Advanced Power Options to make sure the adaptive brightness feature was off. Display Brightness is a simple tool that aims to help you modify the brightness of your PC screen. To switch off, slide the OFF/ON switch to the OFF position. Turning this off will run Minecraft in a window. What it does, it changes the brightness of the subtitles instead (so you won't even notice anything has changed) which is perfectly fine, because the rest of the screen stays with no change (=no constant dimming). During playback you can press g or h to adjust subtitle delay (adjust step is 50 ms). Custom screen Brightness Doesn’t work after a few minutes or on changing light coming on your iDevice screen. It would be very frustrating to live with that for an extended period of time. Generally, there’re 2 options for you to add subtitles. Increased productivity with ASUS EzLink technology. Tap the X to continue watching. an indoor scene followed by an outdoor scene. You can also fine-tune the brightness of the display, to compensate for a very bright window, for instance. Tap anywhere on the screen to go back to your book. Your smartphone probably has an automatic brightness control, but if you find your screen's brightness level is still out of whack, here's what to do. Learn More or change your cookie preferences. If you are using the traditional Windows desktop: Touch and hold the start button to bring up the Apps screen and touch the Control Panel app. adjust screen brightness free download - Automatically Adjust Screen Brightness By Time Of Day Software, Adjust Laptop Brightness, Brightness, and many more programs This app changes your. Adding special effects to videos, such as discoloration, embossing, negative and old film. IPS panel technology is considered the best available for monitors as it offers superb color representation and viewing angles. I just purchased a new ASUS Zenbook UX330UA-AH54 13. If you need to adjust monitor brightness but the buttons on your monitor are broken, you can make use of third-party apps, or you can try using the Windows 10 default brightness switches. 4 (Tiger), but they should still be valid for. 0 to your surroundings. Manually adjust screen brightness using slider. The screen settings allow you to adjust the size and shape of image you see on. If you press Control-F1 or Control-F2 the brightness on a secondary display will adjust. 11 Free Download - VideoHelp. Note : the screenshots used in this tutorial are based on the version of Display Calibrator Assistant that shipped with Mac OSX 10. This issue sounds like a driver support issue – that either the correct software for the video card is not installed, or the software provided by the manufacture does not properly support Windows 10 (which is likely if the computer is 2 or more years old). Drag down the Status Bar at the top of the screen to find the Brightness options. This guide shows you how to adjust the screen brightness on your Apple iPhone 8 Plus iOS 11. Here are some ways to adjust the brightness on your iPad. Display Brightness is a simple tool that aims to help you modify the brightness of your PC screen. That's how you turn off auto-lock and auto-brightness in iOS 13 to avoid having your screen go dim automatically. In this post we will explain how you can change the display brightness on a Windows 10-based laptop. This video is unavailable. It is likely not the brightness in Windows which is causing your headaches, if the monitor back-light is too bright it will not matter if you adjust the brightness in the software since the same amount of light is being emitted by the back-light o. Such displays are sometimes specified as having 16. Brightness adjusts the background black level of the screen image. Re: [SOLVED] MacBook Pro - adjust screen brightness My only conclusion is: if pommed works, and the manual backlight control works, then it must be a config problem with pommed. Projections. 78 million colors (256 3 ). 74 Keyboard Shortcuts for MPlayer at keyxl. In these software, you can load subtitle files of various formats like SRT, ASS, SSA, AQT, SUB, JSON, etc. Fix Can't Adjust Screen Brightness in Windows 10: If you have recently upgraded to Windows 10 then you may be facing this annoying issue where you are not able to adjust screen brightness, in short, screen brightness settings stopped working. Unfortunately, it was so aggressive that trying to accurately establish battery life was difficult, since we set the displays to 200 nits. Slide a finger up or down on the brightness slider to change the brightness of the display. You should now be able to increase or decrease display brightness without any hassles. How to use brightness in a sentence. To exit, press the Power key on the remote or the front of the DVR. How to Adjust Screen Brightness in Windows Most Windows computer users need to adjust the screen brightness of their laptop or desktop computer monitor at some point. Same behavior in Windows 8. (While i didn't change anything about the local dimming options) So i can only conclude that the samsung tv software for apps (like Netflix) and internal mediaplayer display subs on a different what than most external devices. Select the Dialog icon. Browse Brightness changes with subtitles JUMP TO SOLUTION. Once you change the value of any filter, it automatically saved the settings and applied the changes to the video. You can adjust your monitor settings to customize your gaming experience. Brightness Control. Display subtitles Beside the basic functions such as font type and size selection, the program supports many others: shadows, outlines, subtitle location on the screen, etc. I have a Yoga 2 Pro system and the brightness on my screen is constantly adjusting. ) Some PCs can let Windows automatically adjust screen brightness based on the current lighting conditions. The high class deinterlacer, advanced digital vi deo processing and the latest plasma technology guarantee optimal display of your message. The monitor was first announced back in January, but today is the first day you can snag one for yourself. Set Custome Screen Brightness in the latest iOS. On the next screen, you will see different options for battery and plugged-on states. Change the "Display brightness" slider in the window that appears. Touch Screen Monitors. I recently purchased an hp pavilion desktop + 24" monitor combo. Two of the most prominent issues with Ubuntu are brightness control and sound. Everytime I close out something the screen dims. SMPlayer can find and download subtitles for you. 4 (Tiger), but they should still be valid for. The effects of light adaptation on brightness perception; Brightness constancy and simultaneous brightness contrast; The effects of spatial filtering on brightness perception; Hermann grid, Mach bands, Craik-Cornsweet illusion. Adjust Screen Brightness using Keyboard. It measures the ambient light level and has both day and night modes, plus it's smart enough to stay off when the phone display is face down, or it senses a dark confined space. Common ways to adjust the brightness and contrast on a laptop computer are provided below. Apple iOS 10. Some Windows 10 users are experiencing a Windows 10 brightness control “not working” issue. Use the imcontrast function to create an Adjust Contrast tool. vtt files) — Web Video Text Tracks or Timed Text Markup Language (TTML). Download Display Tuner. We already have reviewed a Brightness Controller GUI app which will help us to control the brightness in Ubuntu-like operating systems. Ok go to 'Control Panel' , hit 'Appearance and Personalization' , hit 'Display' , hit 'Adjust Brightness'. When you play a video you mostly want to switch to the full screen mode. Download Convert X video converter to convert AVI, MKV, MP4, MPEG, MOV, VOB, WMV to DVD and burn. The brightness of the screen increases when a menu item (on-screen display) or subtitle is displayed. If not, try what I mentioned before. All you would do is go to your "Display & Brightness" settings and toggle it off, but that's no longer the case in iOS 11 and iOS 12. Swipe down from the top of the home screen. 264 decoding problems - Fixed an issue where certain VobSub subtitles doesn't show up - Fixed aspect ratio problem of some WMV files - Fixed ` key problem with auto hide skin option - Fixed an issue where the program was killed in certain situations - Improved Lyric handling - Added AC3/DTS/AAC/MPEG/WMA Pro. Wacom Desktop Center - in the third option you will find "screen or display", when you click that option you'll have "display wacom configuration". After hitting the windows key, I can see the brightness increasing in stages (about 4 times) after flipping over to Metro. Like many of the helpful operating or performance changes you can make on your iPhone 5, this one can be found in the Settings app. Post-Calibration Color Adjustment. Brightness value. file>load subs if it doesnt load at start. 4K 5K 8K 16K Video player App allows to display Ultra HD media and mkv Blue ray 4K 8k & 5k movies with subtitle on your android mobile phone for Free. Languages to download subtitles for Preferred Subtitle Language Sets the default subtitles when different languages are available. Your display brightness controls may also be reversed. NETFLIX SUBTITLES changes brightness on my 55X850D HDR just got 55X850D. This does not effect stylized subs such as SSA/ASS. Drag Vertically on left half of the screen - Brightness control. After that Go to the Settings > Display & Brightness > Auto-Brightness > Use Brightness Slider Bar. I need to adjust screen brightness/contrast by using Python. srt extension) or from a dedicated stream within the video file. The effects of light adaptation on brightness perception; Brightness constancy and simultaneous brightness contrast; The effects of spatial filtering on brightness perception; Hermann grid, Mach bands, Craik-Cornsweet illusion. If you're not a fan of your iPhone's ability to adjust screen brightness by itself, you've probably turned off auto-brightness on multiple occasions in the past. Use the imcontrast function to create an Adjust Contrast tool. This will allow you to turn the captions off and on as well as change the languages the captions and subtitles are displayed in. As a shortcut, you can also press one of the arrows to display the Contrast/Brightness control screen. Increase resolution size to see more at the same time, or lower it to make text larger and easier to read. 9% HD Clear Not Reduce The Screen Brightness 1. All you would do is go to your "Display & Brightness" settings and toggle it off, but that's no longer the case in iOS 11 and iOS 12. Mac app for creating and screening surtitles and supertitles in theatre and opera. Login transfer - community. Fortunately, simple restart works for me. 8K 16K Ultra HD Video Player is a powerful tool with advanced hardware acceleration and subtitle support. It is a good idea to re-calibrate and profile your display every week or two. Adjust the display brightness in Windows. Swipe up and down on left side of playing screen to adjust brightness as per your need. Do try the above tips and Methods also share your experience with us in comment section. Select the Device tab. I have never seen this effect, but the way that you are describing it sounds like a tv issue, as Netflix doesn’t have any settings that would affect this, most tvs do. The new Always On Display mode shows various personalized clock, calendar, status messages, notifications, and images on the main screen when the phone is on standby. In today's episode, we're going to show you how to adjust your screen brightness and display on the Samsung Note 10. When subtitles disappear, the screen brightness gets darker. Pressing the button will also turn the subtitles off. Monitor calibration. It’s the 21st century and the technology is available to ensure content on Sky’s On Demand services can have subtitles, just like on their ‘traditional’ channels such as Sky News and Sky One. Can I disable hardcoded or "burned" subtitles with VLC? No. And i cant see on the screen but when i plug it into my tv i can see on my tv. During playback you can press h or g to adjust subtitle delay (adjust step is 50 ms). In addition, the maximum brightness of the display is about 320 nits, providing good general-purpose performance. Each time a subtitle is displayed, the black level (or the contrast if you prefer) on the full screen slightly becomes brighter. The Adjust Contrast tool is an interactive contrast and brightness adjustment tool that you can use to adjust the black-to-white mapping used to display a grayscale image. The portability is attractive, but it also means you may also end up in a crowded area where listening to the sound can be a bit difficult. That's all, restart your system and check on next login windows allows adjusting screen brightness. I've already turned off the Eco settings, have contacted customer support, and all they could do was walk me through more display settings which did not fix the problem. Save the change and it will reflect across all your devices. Up until the release of the May 2019. You can easily adjust the brightness here. : Click for full-screen display playback. Take a look at the mini tip below to see how you can do. Both were already turned off, but toggling them makes no sense. Volume: You can easily change the volume or mute it entirely. ***The movies can only be viewed in group settings. two side by side, and one screen no matter how exact the settings are one is a little more purple then the other, Then opening Minecraft or archeage BOOM Brightness changes and its VERY annoying!. If you see a moving X, turn the brightness down until the X just disappears. If all the edge-lit and FALD panels are going to have this subtitle/brightness blooming issue, at least I want to get a less expensive tv. You're watching VisiHow. Cannot disable annoying Auto dimming screen brightness? Hello, welcome to ASUS Republic of Gamers Official Forum. Aside from manually changing the screen brightness, you can have Windows change it automatically in a variety of ways. Screen grab show subtitles keeping true to dialogue Be faithful to the audio, keeping the meaning and the style. The default value of 5 allows for a 0. I can change color modes via monitor, text is like 25%. How to Change Brightness of Built-in Display in Windows 10 If you have a laptop or tablet, you might need to occasionally change the screen brightness. Windows 10 have an auto adjust feature of screen brightness to save power in computer. Alternatively, the menu button, located next to the brightness button, will make a pop-up menu appear on the screen. How to Adjust Brightness Manually on an External Display Most of the methods in this article are designed for laptops. replace 0 with the required brightness value ( ranges from 0 to 10 ) The file will look like this: # # rc. Use the slider to enable Closed Captions + SDH. Hi, I'm having an odd issue with Slackware64 14. Useful for TV-out. Brightness: Swipe up, then change the brightness. From this screen, you'll be able to customize the appearance of subtitles and closed captions under Style. This will allow you to turn the captions off and on as well as change the languages the captions and subtitles are displayed in. Except adding subtitles to a video, you can also edit your videos with various video editing tools, such as: cut, crop, screen recorder, and trim video etc. It is a good idea to re-calibrate and profile your display every week or two. To exit, press the Power key on the remote or the front of the DVR. HTTP Playback. The characteristics of a monitor change with time. * Some DVDs only allow access to this function through the DVD menu. However we haven't seen a phone turn off the higher refresh rate based on screen brightness before. Skip navigation Sign in. Hi this is my first post. The Subtitle display will disappear automatically if the ‘SUBTITLE’ button is not pressed again within 3 seconds. If you stare at a screen for too long, then the glare from the display begins to hurt your eyes. Laptop screen brightness flickering. They can be used for synchronizing the subtitles to a movie when there is a slight offset between the two (this can be the case when the subtitles and the movie come from two different sources), or when there is a time scale difference (for instance if the movie and the subtitle file have different frame rates). You can adjust brightness, contrast, saturation, hue, volume and more video/audio effects. Select the Dialog icon. (While i didn't change anything about the local dimming options) So i can only conclude that the samsung tv software for apps (like Netflix) and internal mediaplayer display subs on a different what than most external devices. The brightness of the screen increases when a menu item (on-screen display) or subtitle is displayed. For a more accurate comparison, we. How to Adjust the Brightness on Samsung Galaxy. Although you have the option to customize the appearance of subtitles on Netflix, there are limits. If you press Control-F1 or Control-F2 the brightness on a secondary display will adjust. ThinkPad T470 - Brightness/color changes while watching videos ‎12-23-2017 04:24 PM When I'm watching any sort of video on my laptop, whether it is Netflix, YouTube, or something on VLC, I have noticed a slight change in the coloring and brightness of the video, usually when there are subtitles, annotations, or even when I mouse over the screen. You should now be able to increase or decrease display brightness without any hassles. Brightness fluctuates as the screen changes (watching films or opening windows for example) ‎12-30-2013 02:14 AM Ive a brand new HP Pavilion 15 and Ive noticed when I open a window or the screen changes from a dark to a bright image (for example, whilst watching video), the brightness adjusts in half-second increments. That's how you turn off auto-lock and auto-brightness in iOS 13 to avoid having your screen go dim automatically.