Leibo 1620 Wireless mouse wheel failure How to dismantle repair?

Leibo 1620 Wireless mouse wheel failure How to dismantle repair?

First, the cause of failure analysis and tool preparation

In the process of using the mouse to operate the computer, we use the wheel is quite frequent, flipping pages, drop-down documents, including zooming in will use the wheel, so it will cause a burden on the wheel, so that it appears to malfunction. such as rolling wheel when the mouse did not respond, press the wheel when the screen does not have any action.

There are two reasons for the failure of the wheel, on the one hand, may be due to the wheel rotation axis fracture, can not rotate normally, another may be the wheel pressing the keys appear problems.

Whatever the reason, we all need to take the mouse apart and see what part of the problem is there. At this time we need to use a small tool-Phillips screwdriver.

Second, trouble shooting

When we look at the mouse, we find that there is no screw hole on the surface of the mouse and the method of opening the top cover of the mouse is not found. At this point, we turn the mouse over and open the battery cover with our fingers as indicated in the figure.

After opening the mouse battery back cover, we can clearly see a cross screw hole, this time with just the screwdriver inserted in the hole, counterclockwise rotation screws down.