Control Mouse Scroll For Zooming In AutoCAD ……
To see the bigger view in drawings, we always use Zoom toolbar. You may also use mouse scroll for zooming the drawing. You may control mouse scroll zooming by changing the default value of ZOOMFACTOR command.
How to recover mouse wheel zooming in AutoCAD.
1. Type ZOOMFACTOR in the command line.
2. Change the default value into <100>.
Users will see default value set on <60> as shown in pic-1. This value users can set as per convenient. If users want to zoom faster in the drawing, users can set the default value on <100> or if users want to zoom slowly in the drawing, users may set the default value below <100>. Zoom scroll also can be useful for the drawing extend. Simply double press your mouse scroll.
Users may also watch the below video for the guide, How to control mouse scroll for zooming in AutoCAD 2014, 2017