The brightness of the computer monitor screen is not allowed to be adjusted, it is gray and does not

There are several ways to adjust the brightness of your computer screen:

1.After clicking the left mouse in the gap of the desktop, press the Ctrl+X key to adjust the brightness;

Systematic: Start - Control Panel.

Click. System & Security, click.

Power options, drag the scroll bar to adjust the screen brightness;

WindowsXP: Open My Computer--- find Control Panel--- select Hardware & Sound--- in the Power option, you can see to adjust the screen brightness.

3.Generally, you can also use the buttons on the monitor to adjust the brightness.

I'm having the same issue.

You can see if the low blue light mode is turned on, the screen brightness adjustment is locked, or the low blue light mode is turned off, or the factory settings of the display are restored, and you can adjust it again.

The correct way to update the driver (first make sure that the device is connected normally, if you do not follow this step, various problems may occur):

1. Open"My computer","Uninstall or change programs (add or remove programs.)"2. Open C: Windows INF and find out all the files at the beginning of the OEM to be deleted, 3. Then restart the computer and update the driver with the official driver.

You'll want to check its contrast.

Brightness, negative voltage, G2 (acceleration pole voltage). Look at it.

The road is not normal, and some problems are not due to the fact that the factory mode is not adjusted well.

The brightness of your computer monitor screen can't be adjusted because you have set a power plan, and you can change the settings to get back to normal.

2. After turning on the power option, enter the power plan configuration as shown in the figure, and then you can configure it according to your own needs. Balanced: The computer's default power plan, Energy Saving: The energy saving plan will be less bright, High Performance: The computer is the brightest, but the fastest energy consumption.

Hello dear! If there is no brightness adjustment option in the control pad, you can find it in the following ways. For example, 1, right-click on the blank space of the desktop, select option 2 in the figure below, and then select "Adjust Desktop Color Settings" on the left, and select "NVIDIA Settings" in the color setting method on the right to adjust the display brightness.

Through the above methods, we can adjust the brightness directly in the computer, whether the brightness adjustment button under the display is broken, or the control slag hole round panel has no brightness adjustment, we can adjust the brightness from here.

When found the control panel is displayed.

If there is no brightness control option, it is possible that this feature is integrated into the graphics card control panel. Here is the location of the brightness demonstration with win7 system and GTX1050 graphics card control panel:

1. Right-click on the blank space of the desktop, and click "NVDIA Control Panel" in the right-click shortcut menu.

2. After opening the NVIDA control panel, find "Adjust Desktop Color Settings" on the left side and click to enter the settings.

3. After entering the interface, check "Use NVDIA Settings".

Fourth, the brightness and contrast below after checking.

and grayscale and other options to become adjustable, drag the brightness bar to the appropriate brightness, and finally click "Apply".

Turn on the power management to adjust the power management settings, there is a brightness adjustment inside.

1. Open the Control Panel.

2. Find "Power Options" and enter the power plan configuration.

3. Configure the power plan according to your own needs.

Balanced: The computer's default power plan, generally we choose this default.

Energy saving: If you choose this plan, the brightness will be lowered.

High performance: maximum brightness, fastest energy consumption.

Customize: Make a power plan based on your habits and needs.

Open the Control Panel;

Select "Appearance & Personalization";

Select "Turn high contrast on or off";

Drag down, find "High Contrast Settings" and click it;

Click "Display" on the left sidebar and drag down to adjust the brightness of the built-in display.

In the process of daily use of computers, many users will encounter a common problem: the screen brightness adjustment does not take effect. This problem may seem simple, but in fact it can be caused by a variety of reasons.

Let's sort out these reasons one by one and provide corresponding solutions.

Cause 1: System settings.

One of the possible reasons why the brightness adjustment of your computer screen is not working is a problem with your system settings. Especially after some operating system updates, there are users who will encounter this kind of problem. The way to solve the mess is very simple, find the "Power Management Options" on the computer, click "Change Advanced Power Settings" after opening, find the "Display" option, and change the "Enable Adaptive Brightness" and "Adaptive Brightness When Disabled" to "Off".

Cause 2: Graphics card driver issues.

Another reason why the screen brightness adjustment doesn't work is because of the graphics card driver. Graphics driver software is an important part of keeping your computer's graphics clear and running smoothly, providing control and optimization of your graphics hardware. If there is a problem with the graphics card driver software, it may cause the brightness adjustment of the computer screen to not take effect.

Reason 3: Hardware damage.

There is also a more common cause of hardware damage. When the screen brightness adjustment does not take effect, we can check whether the computer screen or brightness adjustment hardware is damaged by disassembling the computer. If this is the problem, you need to disassemble the computer first, find the motherboard of the brightness adjustment and screen controller, and confirm whether it is well connected. If the controller or motherboard itself fails, the corresponding hardware parts need to be replaced.

Summary. In general, there are many reasons why the brightness adjustment of the computer screen cannot take effect, and you need to choose the corresponding solution according to the specific situation. In addition to these three reasons, there may be other reasons, such as computer system errors, virus infections, etc., which require further in-depth diagnosis and treatment.

However, in most cases, the three issues mentioned above cover most of the reasons why the screen brightness adjustment fails. If you're experiencing the issue, you can start with these aspects.