When I select one folder , the above also gets selected how to fix it?

[MAX Nexon]

I haven't used my lap for a while, Like two years . When I charged it and turned it on , I heard a continuous beep sound ( the hot keys). So far I only pressed the power button. And then when the desktop appeared , I clicked on "this pc" . When and then open "local disk E" and out of now where the " desktop, documents, downloads , music, pictures, videos, local disk C" every thing before it selected on it's own and each opened in a new window, and then I had to close everything. How to fix it? It's a windows 10 pro education version

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