Table of Contents
The external monitor of the laptop does not light up when it is turned on
What to do if the computer screen does not display when connected to the monitor
Why does the monitor not light up when connected to the computer?
What to do if the external monitor of your laptop does not display
What is the reason why the laptop display does not light up?
What to do if the laptop external display does not light up
Home Hardware Tutorial Hardware News Laptop external monitor display does not light up

Laptop external monitor display does not light up

Feb 14, 2024 am 08:51 AM
computer screen

Laptop external monitor display does not light up

The external monitor of the laptop does not light up when it is turned on

The adapter power supply of the laptop is one of the main reasons for the black screen of the computer. Because there is no power input, the host and the LCD screen are both Can't work, so black screen. Solution: Replace the notebook adapter and it will be OK.

The monitor does not light up after the notebook is connected to an external monitor via HDMI. It may be because the screen selection is not set properly. You can press the shortcut key on the keyboard: Windows key P key, and select "Copy Mode" or "Extended Mode" in the setting. That’s it. When there is a problem with the data cable or socket, the display will not light up.

As shown in the picture below, the monitor has been connected to the laptop, but the monitor screen is black and unresponsive. First check whether the circuit is damaged and whether the interface is loose. Unplug the circuit and reinsert it. If it still doesn't work, restart the computer and wait until it restarts to see if it is displayed.

The monitor does not light up when connected to the computer. Generally, there are the following reasons:\x0d\x0aThe computer memory is loose or not plugged in properly, causing the computer startup screen to not display. Just plug and unplug the memory again to confirm that it is plugged in properly. .

What to do if the computer screen does not display when connected to the monitor

Depending on the situation, you can change the cable or use another power source. Check the signal source: If the cable is connected but the monitor still does not display an image, you should check the settings of the input signal source. Make sure your computer or device has the video output properly connected to your monitor.

There could be many reasons why your laptop external monitor is not displaying, here are some possible solutions: Make sure the external monitor is properly connected to the laptop and is powered on. You can also try changing the connecting cable. Check that the laptop's display settings are configured correctly.

Check whether the cable is plugged in properly and confirm that the cable is not damaged. The monitor input signal source is wrong: Check whether the monitor correctly selects the signal source connected to the computer. Typically there will be a button or menu on the monitor to select the source.

Why does the monitor not light up when connected to the computer?

1. The computer memory is loose or not plugged in properly, causing the computer startup screen to not display. Just plug and unplug the memory again to confirm that it is plugged in properly. The computer monitor power is not turned on. Just make sure the monitor power is plugged in and turn on the monitor power switch.

2. It may be that the video cable between the monitor and the host is connected incorrectly or the video cable is loose. The computer monitor has a black screen with no signal and no signal input.

3. As shown in the picture below, the monitor has been connected to the laptop, but the monitor screen is black and unresponsive. First check whether the circuit is damaged and whether the interface is loose. Unplug the circuit and reinsert it. If it still doesn't work, restart the computer and wait until it restarts to see if it is displayed.

What to do if the external monitor of your laptop does not display

1. Check the connection cable: First, make sure the connection cable is working properly. Make sure the cable is plugged in tightly and is not loose or damaged. Also check whether the type of cable is compatible with the interface of the laptop and external monitor. Check the external monitor: If there is no problem with the connection cable, you need to confirm whether the external monitor is normal.

2. Operating computer: Huawei MateBook If not, open Control Panel and click Hardware and Sound.

3. There are many reasons why the display screen does not display when the computer is connected. Most of them are problems with the display screen, so first check whether the display screen is damaged, put the display screen on another computer or replace the computer. A new display to see if it works properly.

4. Check whether there are hardware problems with the computer interface, connecting cables, and external monitors. If not, open the control panel first and click on Hardware and Sound. In Hardware Management, click Device Manager. Check the monitor options of your computer to see if it has its own hardware. If not, you need to recheck the hardware installation.

5. If the external monitor of the laptop does not respond, try the following methods: Output port switching problem: Some laptops may need to switch the video output settings. Generally, certain keys among FN+F1~F12 are used as switching keys.

What is the reason why the laptop display does not light up?

If the power indicator light is on and there is air blowing from the cooling fan port, but the display is still black, this situation is mostly caused by a circuit failure or hardware failure inside the notebook. , such as loose memory modules inside the notebook, graphics card failure, and display panel failure, etc.

The reasons why the laptop display does not light up are as follows: First check whether the power supply connected to the laptop is good and whether the power indicator light is on. If the power indicator light is on and there is air blowing from the cooling fan outlet, but the display is still black, this situation is mostly due to a circuit failure or hardware failure inside the notebook.

Graphics card hardware failure. The graphics card is the source of all display output of the computer, so there is a problem with it and no display can be seen on the screen. If the graphics card is broken, the average user cannot solve it. They can only find a computer after-sales service to solve the problem. If your laptop is within the warranty period, you can take it for free inspection and repair.

What to do if the laptop external display does not light up

Check whether there are hardware problems with the computer interface, connecting cables, and external monitors. If not, first open the control panel and click on Hardware and Sound. In Hardware Management, click Device Manager. Check the monitor options of your computer to see if it has its own hardware. If not, you need to recheck the hardware installation.

Check the connecting cable: First, confirm whether the connecting cable is working properly. Make sure the cable is plugged in tightly and is not loose or damaged. Also check whether the type of cable is compatible with the interface of the laptop and external monitor. Check the external monitor: If there is no problem with the connection cable, you need to confirm whether the external monitor is normal.

Check the monitor of the computer options to see if it has its own hardware. If not, you need to recheck the hardware installation. Return to the properties panel and adjust the refresh rate to be consistent with the external monitor.

Check whether the graphics card driver is updated. Whether the HDMI cable used is a good brand cable. If the computer has been connected to a monitor, whether to set it to dual-screen display. Check whether the HDMI port of the projection is OK. You can try it on someone else's computer. If it works, you can troubleshoot the problem with the computer. Generally speaking, it should work just fine once you plug it in.

First check whether the contact is good. ∩Check whether the contact between the display card and the monitor is good, and whether the contact between the display card and the motherboard IO slot is good. If necessary, remove it and reinstall it. Once, make sure the installation is in place and the contact is good.

The above is the detailed content of Laptop external monitor display does not light up. For more information, please follow other related articles on the PHP Chinese website!

Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

AI Hentai Generator

AI Hentai Generator

Generate AI Hentai for free.

Hot Article

R.E.P.O. Energy Crystals Explained and What They Do (Yellow Crystal)
2 weeks ago By 尊渡假赌尊渡假赌尊渡假赌
Repo: How To Revive Teammates
1 months ago By 尊渡假赌尊渡假赌尊渡假赌
Hello Kitty Island Adventure: How To Get Giant Seeds
4 weeks ago By 尊渡假赌尊渡假赌尊渡假赌

Hot Tools

Notepad++7.3.1

Notepad++7.3.1

Easy-to-use and free code editor

SublimeText3 Chinese version

SublimeText3 Chinese version

Chinese version, very easy to use

Zend Studio 13.0.1

Zend Studio 13.0.1

Powerful PHP integrated development environment

Dreamweaver CS6

Dreamweaver CS6

Visual web development tools

SublimeText3 Mac version

SublimeText3 Mac version

God-level code editing software (SublimeText3)

How to correct the yellowing of the computer screen How to correct the yellowing of the computer screen Apr 30, 2024 am 08:58 AM

How to adjust the computer screen when it turns yellow? 1. Move the slider in the window to adjust the screen color, and the problem is solved. The method may be caused by a problem with the monitor data cable or poor contact. You can check whether the interface is loose and then replace the connection cable with a new one. 2. Click the Windows icon in the lower left corner of the computer, and then click Settings. In the settings interface, click System. Select Display, click Advanced display settings, and that's it. First open the control panel. 3. Move the slider in the window to adjust the gamma value. Finally, move the slider in the window to adjust the screen color and the problem is solved. Why does the computer screen turn yellow? It is relatively rare that the computer screen turns yellow due to a malfunction of the graphics card itself. It is recommended to have it checked for maintenance. Monitor display mode problem some display

A simple way to set up automatic line wrapping with Beyond Compare A simple way to set up automatic line wrapping with Beyond Compare Apr 22, 2024 pm 01:04 PM

In fact, BeyondCompare does not support automatic line wrapping. In the new version BeyondCompare4, you can limit the characters of each line of the file to achieve the purpose of automatic line wrapping for easy modification. You can follow the steps below: Click: Tools (T) in the menu bar, then select: File Format (F) in the pop-up list; find 'Characters per line' in the [Convert] tab on the right side of the pop-up box For the word "limit", modify the previous value (the default is 4096) and save it. Generally, it can be set to 80 to 90 or more. Of course, in BeyondCompare, you can also consider other ways to slightly improve it. The solution is as follows: Solution 1: Temporarily switch to the upper and lower layout. Select under the [View] menu

How many centimeters is an 8-inch tablet? How many centimeters is an 8-inch tablet? Apr 22, 2024 pm 04:25 PM

How big is an eight-inch tablet? 1. The size of an 8-inch tablet is 32 cm; the size of a 9-inch tablet is 286 cm; the size of a 7-inch tablet is 2638 cm; and the size of a 10-inch tablet is 24 cm. 2. The aspect ratio of a 2-inch tablet computer is 16:9, so the screen length and width are 32 cm and 11 cm respectively. The so-called 8-inch tablet computer refers to the size of the screen, not the size of the overall machine. The 8-inch screen size refers to the diagonal length of the screen. 1 inch is equal to 54 centimeters, so 8 inches is equal to 32 centimeters. 3. The eight-inch tablet is 128 cm long and 80 cm wide. An eight-inch tablet refers to a tablet with a screen diagonal length of 8 inches. Based on the common screen aspect ratio of 16:10, it can be calculated that its length is approximately 128 cm.

How to enter bios on Onda motherboard How to enter bios on Onda motherboard Mar 30, 2024 am 11:26 AM

How to enter the BIOS of Onda motherboard is to turn off the power first, remove the battery, then short-circuit two CMOS jumpers, wait for a few seconds, then remove the jumpers and reinstall the battery. Check the operating system: If you are sure that the BIOS settings are correct but the system still cannot start normally, you can try to use the system installation CD to repair or reinstall the operating system. First move the mouse (or slide it to the left) to the lower right corner of the screen and click Settings. Then, click Change PC settings. Enter the computer settings interface, click General, then click Restart now. Onda motherboard BIOS method 1: The common type is to press the F1 key. You need to press F1 to enter the BIOS of the computer. The specific operation methods of the Onda motherboard bios setting method tutorial are as follows: Boot the prepared Professor U USB disk

Laptop has mouse arrows but black screen Laptop has mouse arrows but black screen Apr 10, 2024 pm 01:20 PM

After turning on the laptop, the screen goes black and there is nothing on the desktop. There is no icon, only a mouse arrow... Damage to the picture tube or line output circuit. Failure of the picture tube or line output circuit will also cause a black screen without raster when the monitor is powered on. It is also the main cause of a black screen after the notebook is turned on. Sometimes the inability to boot is caused by a short circuit in some components, such as external USB devices, keyboards, mice, or power adapters. Try unplugging these devices and booting with only the battery installed to see if you can enter the BIOS. some type of. A black screen may occur when the computer starts up because the motherboard, monitor and graphics card in the computer are damaged, or the computer configuration is too old. This phenomenon may also occur. Most of the reasons are caused by process errors.

How to disable automatic backup in Windows 10 How to disable automatic backup in Windows 10 Apr 18, 2024 pm 07:49 PM

Some Windows 10 users have found that the system's built-in automatic backup function is activated during use. Although this function helps ensure data security, some users may not feel the need to continue enabling it due to storage space considerations or other reasons. This function. Therefore, if you want to turn off the automatic backup function in Windows 10 system, the correct operation steps are particularly important. Next, this article will introduce in detail how to turn off the automatic backup function of the Win10 system for the reference implementation of users who have this need. Close method 1. Use the "win+i" shortcut key to quickly open the "Settings" page. After entering the new page, you need to click the "Update and Security" option. 2. In the new interface that opens, click in the left column

Laptop external monitor cannot go full screen Laptop external monitor cannot go full screen Apr 19, 2024 pm 04:16 PM

What to do if the laptop screen is not full screen? Steps: 1. Turn on the computer, right-click on the desktop and click the "Display Settings" option. Adjust the resolution so that the monitor fills the entire screen. If you don't want to change the current resolution, click "Advanced display settings". In the interface, find and click the "Display Adapter Properties for Monitor 1" option. If the computer monitor cannot display in full screen, it may be because the screen resolution setting is incorrect, or the monitor OSD setting is wrong. You can correct the settings to restore full screen display. The specific operation method is as follows: Set the screen resolution correctly (taking WIN7 as an example): right-click a blank space on the desktop and select "Screen Resolution". Adjust the resolution so that the monitor fills the entire screen. If you don't want to change the current resolution, click "Advanced display settings". In the interface, find and click "

How to adjust the computer screen if it is a bit yellow? How to adjust the computer screen if it is a bit yellow? Apr 11, 2024 pm 01:46 PM

The computer screen is a little yellowish. What's going on? The computer screen may be a little yellowish due to a variety of reasons. The following are some common solutions: Adjust the screen color mode: You can select it through the display menu of the monitor or the display settings of the computer operating system. Suitable color mode, such as RGB mode or sRGB mode. Monitor color temperature setting problem: If the monitor color temperature is set too high, the screen will appear yellowish, so the color temperature setting needs to be adjusted. At this time, you need to enter the display settings of the computer, find the color temperature option, and adjust it to the appropriate value. Graphics card driver problem: There may be a problem with the graphics card driver, causing the screen to display abnormally. If the score is very low, it means there is a problem with the graphics card, and you need to find a professional to identify and replace the graphics card. How yellow is the computer screen?

See all articles