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Left-click mouse button not working | DELL Technologies
Apr 28, 2009 · It's possible you have a corrupt Mouse registry entry. Try Start/Run/regedit and find the HKEY_CURRENT_USER/Control Panel/Mouse entry. Backup that entry by doing a File/Export. …
Dell Touchpad gestures not working on Dell Inspiron 5558
Sep 7, 2015 · If you want to tweak the settings for the three mouse-speed settings (MouseSpeed, MouseThreshold1, and MouseThreshold2), launch the registry editor and go to …