Why does my computer's mouse not move and the cursor moves randomly?

1. Why does my computer’s mouse not move and the cursor move randomly?

If your computer mouse does not move or the cursor moves randomly, it may be due to the following reasons:

1. 1. Hardware problem: Check Connect the mouse and related hardware, making sure there are no damaged or loose cables.

2. 2. Driver problem: Update or reinstall the mouse driver. The current driver version may be incompatible or damaged.

3. 3. Malware: Check whether the system is infected by malware and perform an anti-virus scan to ensure system security.

4. 4. USB port problem: Try connecting the mouse to a different USB port. There may be a problem with the USB port currently being used.

5. 5. Battery problem: If it is a wireless mouse, make sure the battery is sufficient or replace it with a new one.

2. Why is the mouse pointer moving around on the screen?

When the mouse pointer moves around on the screen, there may be the following reasons:

1. 1. Surface problem: If using optical Or a laser mouse, check whether the surface used by the mouse is clean and flat. The optical sensor needs a good surface.

2. 2. Driver problem: Update or reinstall the mouse driver to ensure that you are using the latest and compatible driver.

3. 3. Electromagnetic interference: Nearby electromagnetic devices or wireless signals may interfere with mouse signals, so try to stay away from these devices.

4. 4. Wireless interference: For wireless mice, try changing the channel of the wireless signal to reduce interference.

5. 5. Hardware issues: Check if the mouse itself is damaged and try using another mouse to see if the problem still exists.

Summary

1. (1) The mouse does not move or the cursor moves erratically, which may be caused by hardware problems, driver problems, malware, Caused by USB port issues or battery issues.
2. (2) The mouse pointer moving erratically on the screen may be caused by surface problems, driver problems, electromagnetic interference, wireless interference or hardware problems. Solutions include checking hardware connections, updating drivers, performing anti-virus scans, replacing USB ports, replacing batteries, cleaning the mouse surface, etc.

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