Why does the computer not turn on and the screen is black all the time and there is a mouse

What should I do if my computer boots up with a mouse but a black screen?

1. Press "Ctrl+Alt+del" to bring up the task manager and click "Details".

<>2. After that, click File - New Task and enter;

3. After entering the desktop, right-click the taskbar, select Task Manager, then click File - New Task, enter msconfig, check the system administrator permission, enter the system configuration interface, click the selective startup, and unload the checkbox of the startup items;

<>4. It is recommended to temporarily uninstall the third-party security antivirus software test;

5. Restart the computer to see if the fault is completely resolved.

When the computer is in use, it often causes a black screen due to poisoning or other reasons.

Or the blue screen. Among them, there are many cases where the computer boots up with a black screen and only a mouse, so what's going on? How to solve this problem?

The computer boots on with a black screen and only a mouse

1. There are many reasons for the black screen, such as memory, hard disk, graphics card, motherboard, monitor, power supply, etc. Dust the computer first, and wipe the gold finger back and forth with a moderate amount of alcohol glued to cotton.

Plug it back in and re-plug it when it dries to see if there is any response.

2. It may be that the hardware is in poor contact or malfunction, and the boot of the computer should be powered by the power supply first, and then guided by the BIOS of the motherboard, and then through the CPU, memory, graphics card, etc. This process is reflected on the screen called self-test, first through the graphics card BIOS information, then the motherboard information, then the memory, hard disk, optical drive, etc. If there is a problem in the middle, the computer will not start normally, or even go black.

You first need to make sure that there are external connections such as the monitor, the host power supply, and whether the connection between the host power supply and the host power interface is normal.

3. If the CPU is working properly, see if the CPU fan is working. If there is a temperature, the CPU is unlikely to break, if there is no temperature, tidy up the CPU socket to ensure that the contact is normal.

4. Reboot, press F8, enter the boot menu, and select "Use Last Correct Configuration" to start the computer.

5. Restart the computer and press F8 to enter safe mode.

Then click Start-Run, type "msconfig" to open the system configuration utility.

Select the "Startup" tab, remove the unnecessary checkmark before booting the program, and restart the computer. If that still doesn't work, select "Diagnostic Startup - Load only the basic device drivers" under "General".

and services", and then restart the computer, at which point it can start normally. After entering the system normally, check the system disk C.

Is it full, clean up the garbage of the C drive, and uninstall the unnecessary software and programs.

6. Press and hold the three keys of Ctrl+Alt+Del at the same time, can you pop up the task manager?

If you can't, just go directly to the taskbar.

Right-click on the task manager, end the process in the process, and then click File - New Task, create a new one, if you can't enter the system, you can only reinstall the system.

7. Restart the system, press F8 to enter the safe mode with the network, the virus cannot run under the safe mode, it should be able to enter the desktop normally, use the anti-virus function to check and kill the virus.

If you find it step by step according to the above steps, you can quickly find the cause and solution, if you encounter the fault of the computer booting black screen and only the mouse, you may wish to try the above methods.

1. Press "Ctrl+Alt+del" to bring up the task manager and click "Details".

<>2. After that, click File - New Task and enter;

3. After entering the desktop, right-click the taskbar, select Task Manager, then click File - New Task, enter msconfig, check the system administrator permission, enter the system configuration interface, click the selective startup, and unload the checkbox of the startup items;

<>4. It is recommended to temporarily uninstall third-party security antivirus software tests (such as the common 360 Security Guard, Kingsoft Antivirus, Kaspersky, etc.);

5. Restart the computer to see if the fault is completely resolved.

Cause: Caused by enabled hardware acceleration, integrated graphics, or file corruption.

1. Turn on the power of the computer, and then press and hold the power button to force the shutdown when a small circle appears;

2. Repeat the above operations 2 to 3 times until the "Choose an option" interface appears, click "Troubleshoot";

3. Then click to open the "Advanced Options" setting in the pop-up window.

4. Then click to open the "Command Prompt" setting in the pop-up window.

5. Then click the command "c:cd windows attrib -s -r -h sdel s q" in the pop-up window, and press enter to confirm.

6. Finally, restart the computer, and you can start it normally.