The mouse cannot select text.

This situation is caused by oxidation and poor contact of the microswitch under the mouse button. Click and double-click, you can't drag files, you can't select words or files, you can't take screenshots, etc. It's all caused by the oxidation of microswitch. Oxidation of microswitch is the most common fault of mouse. At present, only the patented technology of Decatur durable mouse D 1 has solved the oxidation problem of microswitch, and its service life is basically more than three years. If necessary, you can go to Taobao.