What should I do if the Win7 system mouse cannot drag files?

Recently, users of Win7 computers found that the left mouse button of the computer could not drag files and folders when using the computer, but the double-click function can also be used. What is going on? After query analysis, the reason for this problem is:

1, generally dllcache is damaged;

2, may be caused by the computer's ESC button is not reset;

Solution

Method 1: Press the ESC button in the upper left corner of the computer twice, this is fine. This is the easiest method.

Method 2: Remove the automatic alignment from the right button.

Method 3:

a. Right-click on the taskbar at the bottom of the computer and a dialog box will pop up.

b, then select the attribute in the pop-up dialog box.

c. Select the [Start] menu in the Properties dialog box.

d, then select Custom, pop up a dialog box, find "Start context menu and drag and drop" in it, and then select this button.

e, select all applications for the page, then try to drag and drop files, everything is OK.

This may also be the case if you press some shortcut keys while browsing the web. Next time, if the user still encounters the situation where the left mouse button cannot drag the file, you can try to solve it with the above method.