What s wrong with the screen being dark after the computer is turned on

The screen dims as soon as the computer is turned on because the screen brightness set by the system is low, and the screen brightness can be adjusted as follows:

Follow the steps below to enter the brightness adjustment interface from the control panel:

1. In the taskbar, left-click the computer start icon;

2. Left-click the "Control Panel" option on the right side of the pop-up interface to open the control panel;

3. Find "Power Options" in the control panel interface, and left-click to open the power options interface;

4. At the bottom of the pop-up interface, there is an option bar to adjust the "screen brightness", left-click to select the brightness bar cursor;

5. Move the left button and drag the cursor to adjust the screen brightness, and move the cursor to the right to increase the screen brightness.

If you have a power icon in your computer's taskbar, follow these steps:

1. Move the mouse cursor to the taskbar at the bottom of the screen;

2. Left-click the power indicator icon in the taskbar;

3. Select the "Adjust Screen Brightness" option in the pop-up interface, and left-click;

4. At the bottom of the pop-up interface, there is an option bar to adjust the "screen brightness", left-click to select the brightness bar cursor;

5. Move the left button and drag the cursor to adjust the screen brightness, and move the cursor to the right to increase the screen brightness.

What is the display? If it is not used for a long time, the LED light of the display is damaged or some of the LED lights are not lit. If the monitor has been used for a long time, it is recommended to replace the LED light of the LCD screen.

That's because the brightness ratio of the computer is too low, you can turn it up.

What kind of monitor are you, you look for it, and the adjustment switch is generally on the monitor.

Is there a vague feeling, and if so, it may be damp?

It could be the following:

1. The color of the screen is black, but if you look closely, you can see the desktop, which is called dark screen. It may be that there is a problem with the lamp, and the aging or short circuit of the lamp will make the display screen dark;

2. It may also be that the motherboard has no voltage for the high-voltage board, and the motherboard has problems, aging or short circuits, and most of them can be repaired, and the motherboard does not have to be replaced.

3. This is a normal phenomenon, when the laptop is powered by batteries, its power mode is energy-saving mode, which is the screen of the notebook will automatically reduce the brightness to save the battery's power.

4. If this is not the case, it may be that the power mode setting has been changed. Resetting it and saving it will be fine.

There can be a variety of reasons why a computer screen automatically dims, and here are a few possible scenarios:

1.Screensaver: If your computer has a screensaver turned on, it will self-dim or turn off the screen to protect your display after you haven't used it for a while.

2.Power plan: In the Windows operating system, you can set the power supply plan to adjust the computer's display brightness and other parameters, and there may be a setting for the screen to automatically dim in some power meter changes.

3.Driver settings: If Energy Saving Mode is turned on in your computer's display driver, it can cause your display to automatically dim or turn off.

4.Hardware failure: If the screen is not working properly, it may cause the screen to appear dim.

Solution: You can fix the problem by troubleshooting each of the above situations, pinpointing the specific cause, and changing the computer settings or replacing the monitor hardware as needed. However, after ruling out the first three situations, if the problem cannot be solved, it is recommended to go to a professional repair shop to test whether the equipment has hardware faults.

There are many possible reasons why your computer screen suddenly dims, and here are some of the possible reasons why this can happen:

Brightness settings: If your computer's display is dimmed, it may be because the brightness setting is too low. You can try adjusting the brightness by pressing the Brightness Adjustment key on your keyboard or by going to the "Display Height" menu on Windows.

Power management settings: Your computer's power management settings can affect your display's brightness. If your computer is battery-powered, it may be configured to automatically adjust brightness over time to extend battery life. You can try changing the power management settings to fix this.

Graphics driver issues: If your computer's graphics driver is outdated or having problems, it can cause the display to be dimmed. You can try updating the graphics card driver or uninstalling and reinstalling it to fix the problem.

Hardware failure: If none of the above methods can solve the problem, it may be caused by a hardware failure. For example, the monitor backlight, power adapter, or display circuit board may be faulty. At this time, it is recommended to send the computer to a professional Weiyan Nian Leakage Repair Center for maintenance.