When opening the Autocad drawing, the lines will be shifted. They can zoom in or move out of position to an unknown new location. Make the drawing look like a spider’s net. Actually, the lines in the drawing move randomly, making it impossible to determine their exact original position. Don’t worry, today I will show you How to fix the “spider net error” in the Autocad drawing
1 Why is there a “spider net error” in the drawing
The main cause of Autocad errors displayed like spider webs is that we turn on the smoothing function. (Line Smoothing) or your graphics card may have a problem.

This error is also very simple to fix, please follow the instructions below.
2 How to fix “spider net error” in the drawing
You open Autocad and press the command “Option”, In the “System” tab, select “Graphics performance”.
In the “Hardware” section, select the “On” mode.

If you’ve done that and still don’t fix the above error, your graphics card may have a problem. Then you have to bring it to a computer store to have it checked.
With Autocad 2016 and Autocad 2017, the smooth rendering mode cannot be turned off unless you disable the display of high-quality geometry first. To turn off the display of high-quality geometry.
Type “HQGEOM” into the command line and then Enter. Then type “Off” then enter to turn off and then proceed to turn off the LINESMOOTHING smoothing mode.
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