If this new mouse shows no vertical line or any other abnormal shape, it means that something is wrong with the mouse. Just detach the existing mouse and work with another mouse. Keeping the causes in mind, the following are some of the proven solutions for fixing a vertical line cursor in Windows 10. Nevertheless, it can also occur on the second monitor. It is believed that the problem is likely to occur with a single-display system. Some of them are graphics cards, dual monitors, and improper mouse settings. Well, there can be a couple of reasons due to which mouse cursors can behave abruptly in this way.
This illusionary appearance makes one feel that there is no cursor at all. It is the corrupted cursor that shows itself as a line or bar. In other words, the mouse cursor on Windows 10 tends to get corrupted. However, suddenly, the windows 10 users have started noticing that this shape changes to a vertical dotted line that is significantly visible. Sadly, it has become common for users to notice that the mouse cursor changes to a vertical line in Windows 10.
