The mouse and keyboard are unresponsive when I turn on the newly assembled computer.-Hardware News-php.cn

The mouse and keyboard are unresponsive when I turn on the newly assembled computer.

After the host is turned on, the display screen, keyboard and mouse do not respond, what is going on?

It may be that the connecting cables of the monitor and various accessories are not firmly connected to the host; It may be that the computer cannot recognize it due to a system bug. You can try to force restart the computer and use the options to repair the system.

If the screen has no display (the power indicator light does not light up) or displays "no sighal" and no signal after the host is turned on, the former means that there is no power or the connection is in poor contact, and the latter usually means that the memory module has poor contact, so The memory failed the power-on self-test, and the subsequent keyboard and mouse also failed to respond.

It may be that the cables of the monitor and accessories are not firmly connected to the host; it may also be a BUG in the system that prevents the computer from recognizing it. You can try force rebooting and repair your system using the "Last Good Configuration" option.

Host power supply problems are generally caused by insufficient power dissipation or poor performance of its load (such as motherboard, hard disk, graphics card, etc.). Remove the memory module, wipe the gold finger of the memory module with a clean eraser, insert the memory module into another slot, and then turn on the computer to check.

It can be analyzed as follows: it should be that the host power supply is aging and can be replaced.

What should I do if the computer does not recognize the keyboard and mouse after installing the system?

The USB device is not loaded. This is a problem that occurs when making a U disk system, or it may be the U disk system itself. caused.

Incorrect peripheral connection: Check whether the mouse and keyboard are connected correctly and tightly, and try to replug and unplug to ensure the connection is correct. Poor inertia: Sometimes after a new system is installed, it may take a while for the computer to restart. You can try waiting 5-10 minutes and then restart your computer.

It may be because you have just reinstalled the system and you need to restart the computer after the driver is loaded to take effect, so it is recommended to restart the computer first. If it still doesn't work after restarting, it is recommended to try another USB interface.

Step 2: If you are using a desktop computer, it is recommended to use a round-mouth mouse and keyboard to install the driver. Step 3: Or enter the BIOS for settings. Step 4: If it doesn’t work in the end, reinstall the system again. As the use of computers becomes more and more common, many friends will encounter operational problems.

What to do if the mouse and keyboard are unresponsive when installing the computer system

Restart the computer: Sometimes simply restarting the computer and device can solve the problem of the mouse and keyboard not working. Change the USB interface: Try changing to another USB interface and see if you can reconnect the mouse and keyboard.

This situation when the USB device is not loaded is a problem that occurs when making a U disk system, or it may be caused by the U disk system itself.

Because the mouse and keyboard are USB sockets, the USB cannot realize the data transmission function at this time when the system is not entered.

After installing the system on the computer, the keyboard and mouse are not responding. 1) If what you are talking about is like this when starting up, do not operate it immediately after starting up, because the background is loading programs when the computer is starting up, and it is very stuck at this time. , please wait a moment for the operation, this is normal, if it takes too long, please see the following method.

The reason why the mouse does not respond when you turn on the computer. Restart the computer and check whether the mouse and keyboard return to normal. If the fault is resolved, it is caused by the motherboard not receiving power.

The system keyboard and mouse cannot be used after installing them

1. Driver error: If the mouse and keyboard drivers are not installed correctly, the computer may not be able to detect these peripherals. USB interface problems: If the USB interface is damaged or poorly connected, the mouse and keyboard may not work properly.

2. The USB device is not loaded. This problem occurs when making a U disk system, or it may be caused by the U disk system itself.

3. Incorrect peripheral connection: Check whether the mouse and keyboard are connected correctly and tightly, and try to replug and unplug to ensure the connection is correct. Poor inertia: Sometimes after a new system is installed, it may take a while for the computer to restart. You can try waiting 5-10 minutes and then restart your computer.

4. If it cannot be used in safe mode, it means that the mouse and keyboard may be damaged. It is recommended to replace it. There is also a problem with the socket on the host. It is recommended to use the socket on the back of the host to try one by one.

5. Check whether the mouse and keyboard are damaged, then replace the socket and re-insert the mouse and keyboard. Restart your computer and start using .

The monitor, mouse and keyboard do not light up after the computer is turned on

What should I do if the keyboard, mouse and monitor do not light up after the computer is turned on? The solution may be because the monitor data cable is incorrect. Many new computers have problems with the motherboard and graphics card. They are all video interfaces. For independent graphics users, this problem will occur if the monitor data cable is connected to the motherboard video interface.

Check the connection: Make sure the mouse and keyboard are properly connected to the USB port of the computer host. Try unplugging and reinserting the plug to make sure the connection is secure. Replace the USB port: Connect the mouse and keyboard plugs to different USB ports. Sometimes there may be a problem with the USB port that prevents the device from being recognized properly.

The reason why the monitor does not light up when the computer is turned on and the keyboard does not light up: According to the situation, it is mostly caused by poor contact of the memory or graphics card. Open the case, re-insert and unplug the memory module, and clean the graphics card. The golden finger is the metal cable on the card. Normally it can be restored after booting.

There is no signal on the monitor when the computer is turned on, and the keyboard light is not on. It should be a hardware failure. Solution: When turning on the computer, check whether the host power indicator light is on. If it doesn't light up, check the power supply. If it is on, listen to the power-on beep. If so, check the graphics card, monitor and signal cables, as well as the motherboard.

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