What to do if the brightness adjustment is missing in Windows 7
Sometimes the screen brightness is too bright for a long time and can damage the eyes. Then we can adjust the screen brightness through the system brightness adjustment function, but what happens if we find that our win7 system cannot adjust the brightness? Today, the editor is here to tell you how to solve the problem of missing brightness adjustment in Windows 7. Let’s take a look together.
Method 1.
1. If it is a desktop computer, there is usually a button to adjust the screen brightness in the lower right corner of the monitor, which can be adjusted with the plus and minus signs.

#2. If it is a notebook, you can adjust it through shortcut keys. Generally, the F key above will be marked with a brightness adjustment icon. The shortcut keys for adjusting the brightness of the editor's notebook are Fn (function key) F2 (weak), Fn (function key) F3 (strong).

Method 2: Modify the win7 registry value to retrieve win7 brightness adjustment
1. Press the win R shortcut key on the keyboard to open the run window. Enter the regedit command and click OK.

2. Expand the path HKEY_LOCAL_MACHINE \ SYSTEM \ ControlSet001 \ Control \ Class \ {4d36e968-e325-11ce-bfc1-08002be10318} in the registry editor, and then open the 0000 file .

3. Then find the KMD_EnableBrightnessInterface2 file, right-click and select modify. If it is not found, create a new Word value and change its name to the file name.

#4. Modify the numerical data to 0 and click OK.

The above is the solution to what to do if the brightness adjustment is missing in win7. I hope it can help everyone.
The above is the detailed content of What to do if the brightness adjustment is missing in Windows 7. For more information, please follow other related articles on the PHP Chinese website!
Hot AI Tools
Undresser.AI Undress
AI-powered app for creating realistic nude photos
AI Clothes Remover
Online AI tool for removing clothes from photos.
Undress AI Tool
Undress images for free
Clothoff.io
AI clothes remover
AI Hentai Generator
Generate AI Hentai for free.
Hot Article
Hot Tools
Notepad++7.3.1
Easy-to-use and free code editor
SublimeText3 Chinese version
Chinese version, very easy to use
Zend Studio 13.0.1
Powerful PHP integrated development environment
Dreamweaver CS6
Visual web development tools
SublimeText3 Mac version
God-level code editing software (SublimeText3)
Hot Topics
1378
52
What is the reason why PS keeps showing loading?
Apr 06, 2025 pm 06:39 PM
PS "Loading" problems are caused by resource access or processing problems: hard disk reading speed is slow or bad: Use CrystalDiskInfo to check the hard disk health and replace the problematic hard disk. Insufficient memory: Upgrade memory to meet PS's needs for high-resolution images and complex layer processing. Graphics card drivers are outdated or corrupted: Update the drivers to optimize communication between the PS and the graphics card. File paths are too long or file names have special characters: use short paths and avoid special characters. PS's own problem: Reinstall or repair the PS installer.
What are the common questions about exporting PDF on PS
Apr 06, 2025 pm 04:51 PM
Frequently Asked Questions and Solutions when Exporting PS as PDF: Font Embedding Problems: Check the "Font" option, select "Embed" or convert the font into a curve (path). Color deviation problem: convert the file into CMYK mode and adjust the color; directly exporting it with RGB requires psychological preparation for preview and color deviation. Resolution and file size issues: Choose resolution according to actual conditions, or use the compression option to optimize file size. Special effects issue: Merge (flatten) layers before exporting, or weigh the pros and cons.
Unable to log in to mysql as root
Apr 08, 2025 pm 04:54 PM
The main reasons why you cannot log in to MySQL as root are permission problems, configuration file errors, password inconsistent, socket file problems, or firewall interception. The solution includes: check whether the bind-address parameter in the configuration file is configured correctly. Check whether the root user permissions have been modified or deleted and reset. Verify that the password is accurate, including case and special characters. Check socket file permission settings and paths. Check that the firewall blocks connections to the MySQL server.
How to remove the default style in Bootstrap list?
Apr 07, 2025 am 10:18 AM
The default style of the Bootstrap list can be removed with CSS override. Use more specific CSS rules and selectors, follow the "proximity principle" and "weight principle", overriding the Bootstrap default style. To avoid style conflicts, more targeted selectors can be used. If the override is unsuccessful, adjust the weight of the custom CSS. At the same time, pay attention to performance optimization, avoid overuse of !important, and write concise and efficient CSS code.
How to use export default in Vue
Apr 07, 2025 pm 07:21 PM
Export default in Vue reveals: Default export, import the entire module at one time, without specifying a name. Components are converted into modules at compile time, and available modules are packaged through the build tool. It can be combined with named exports and export other content, such as constants or functions. Frequently asked questions include circular dependencies, path errors, and build errors, requiring careful examination of the code and import statements. Best practices include code segmentation, readability, and component reuse.
Solutions to the errors reported by MySQL on a specific system version
Apr 08, 2025 am 11:54 AM
The solution to MySQL installation error is: 1. Carefully check the system environment to ensure that the MySQL dependency library requirements are met. Different operating systems and version requirements are different; 2. Carefully read the error message and take corresponding measures according to prompts (such as missing library files or insufficient permissions), such as installing dependencies or using sudo commands; 3. If necessary, try to install the source code and carefully check the compilation log, but this requires a certain amount of Linux knowledge and experience. The key to ultimately solving the problem is to carefully check the system environment and error information, and refer to the official documents.
What to do if the Bootstrap Table uses AJAX to get data garbled
Apr 07, 2025 am 11:54 AM
Solutions to the garbled code of Bootstrap Table when using AJAX to obtain data from the server: 1. Set the correct character encoding of the server-side code (such as UTF-8). 2. Set the request header in the AJAX request and specify the accepted character encoding (Accept-Charset). 3. Use the "unescape" converter of the Bootstrap Table to decode the escaped HTML entity into original characters.
The process of H5 page production
Apr 06, 2025 am 09:03 AM
H5 page production process: design: plan page layout, style and content; HTML structure construction: use HTML tags to build a page framework; CSS style writing: use CSS to control the appearance and layout of the page; JavaScript interaction implementation: write code to achieve page animation and interaction; Performance optimization: compress pictures, code and reduce HTTP requests to improve page loading speed.


