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 will also cause a black screen after the notebook is turned on. main causes.
Sometimes the computer cannot be turned on because some components are short-circuited, such as external USB devices, keyboards, mice, or power adapters. Try unplugging these devices and turn on the computer with only the battery installed. See if you can enter the BIOS or something.
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. Most of the reasons are caused by process errors. You can follow the steps below to troubleshoot.
1. The problem of the laptop having a black screen and the mouse moving is usually caused by system or hardware problems. Here are some possible solutions: Press and hold the power button for about 10 seconds to restart the computer. If the problem persists, try another method.
2. First of all, it may be a hardware problem. The hardware itself has too many bad sectors, so only the mouse can display. In this case, you can use a USB flash drive to test the hard drive. If there are too many bad sectors, the only way is to replace the hard drive. Furthermore, it may be that the C drive memory is full.
3. Graphics card driver problem. There may be a problem with the graphics card driver, causing the screen to not display properly. At this point the mouse can be moved, but nothing happens on the screen. You can try entering safe mode, uninstalling the graphics card driver and reinstalling the latest driver. Corrupted system files. The black screen may be caused by corrupted system files.
4. Problems caused by exe system files. As a first-generation win10 system, many people find that after the black screen saver, our mouse keeps moving but the screen cannot be awakened. What should I do? During the use process, the computer may suddenly black screen and cannot be awakened, and some even lose the mouse cursor. The situation has also subsided.
5. If your computer screen is black but the mouse can still move, it may be due to the following reasons: Graphics card driver problem: try to update your graphics card driver, or reinstall the graphics card driver to ensure It is compatible with the operating system.
Because most black screens are basically caused by a service in Windows, restarting the computer can solve the problem of a black screen with only mouse pointers. Method 2: Turn on the computer, long press "shift", select safe mode in the menu, log in normally and open it, then restart the computer, and that's basically it.
This problem can be solved by starting the resource manager. The specific steps are as follows: After the computer is turned on, a black screen is found with only the mouse arrow. Directly use the shortcut key Ctrl Alt Delete to open the icon window and select Task Manager to enter.
The repair method for computer black screen with only mouse arrows is as follows: Tool materials: Lenovo Xiaoxin, Windows Task Manager. Press shift+alt+delete simultaneously on the keyboard to bring up the task manager interface. Switch the computer to the "Process" option, and then find the explorer.exe option in the computer.
Press Ctrl Alt Del on the keyboard at the same time. Select "Start Task Manager" in the list. "Task Manager" will pop up. Use the mouse to click "File" - "New Task" in the upper left corner menu, and enter "explorer" in the pop-up "Create New Task" dialog box. ” Click “OK”.
After the computer is turned on, the display screen is black with only the mouse arrow. What's going on? This is because the Explorer resource manager has not started. The solution is to start the task manager first, and then manually start the Explorer resource manager. , the problem will be solved.
Because most black screens are basically caused by a certain service in Windows. Restarting the computer can solve the problem of a black screen with only a mouse pointer. Problem. Method 2: Turn on the computer, long press "shift", select safe mode in the menu, log in normally and open it, then restart the computer, and that's basically it.
The computer black screen may be caused by the system resource manager crashing. We first press the "ctrl alt delete" key combination on the black screen interface of the computer, select the task manager to open; find the file in the upper left corner, click "Run New Task"; then enter explorer.exe to confirm. Wait for the system to restart before you can use it normally.
"After the computer is turned on, the display screen is black and only the mouse is left." This phenomenon means that the system is loading, and you can enter the desktop after the loading is complete. When this situation occurs, it is judged that there is a problem with the system, such as too much system garbage, too much redundancy, or system hardware problems; such as a certain block of memory is damaged, a certain area of the hard disk is damaged, etc.
When we see that there is only a mouse on the desktop, we can assume that Explorer is not open. If the screen is completely black, it is caused by a software or hardware failure. First, Ctrl Alt Delete key to open the Task Manager window, as shown below. There is a new task in the lower right corner, click on it.
1. The black screen is caused by software. Sometimes after installing some software or hardware drivers, you may find that after restarting, the computer cannot enter the system and the screen remains black. In this case, the laptop screen is black due to software.
2. The black screen when the Lenovo computer is turned on and only the mouse is displayed may be caused by explorer.exe not completing loading. You can try to solve it yourself, hit the ctrl alt delete key combination, select Task Manager, click File - New Task, manually enter explorer.exe and hit the Enter key to see if it can return to normal.
3. Because most black screens are basically caused by a certain service in Windows, restarting the computer can solve the problem of a black screen with only a mouse pointer. Method 2: Turn on the computer, long press "shift", select safe mode in the menu, log in normally and open it, then restart the computer, and that's basically it.
4. The solution to the Lenovo computer black screen with only arrows is: If you cannot see the desktop and enter the mouse-only interface, please try pressing winkey r, enter explorer and press Enter. See if you can see the desktop.
5. Check whether there are external devices connected to the machine. External devices such as U disks and mobile hard disks may be plugged into the USB port of the computer and forgotten to be unplugged, causing the motherboard self-test to fail. The solution is to unplug the extra external devices and restart the computer. 11. Check whether the keyboard and mouse are connected reversely.
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