AutoCAD FAQ

Erasing

1. How do I stop tick marks appearing when I select something?
   Tickmarks that appear with each mouse click are called 'marker blips', the use of which is controlled via either the command Blipmode or the variable BLIPMODE. For more information about command vs. variable see How to change variables. 'Marker blips' can be cleared from the screen with command ...
   
   
2. XREF changes will not show in my drawing
   It is possible to change layer settings on external reference drawings ( xref ) in the main drawing. Whether or not these changes are retained between sessions is controlled by the system variable VISRETAIN. This variable is set in the main drawing. The settings for VISRETAIN are: 0 - Any chan ...
   
   
3. My delete key doesn't work
   First, check that the object that can not be deleted is not on a "locked" layer. Use the command LIST to find out what layer the object is on. Locking a layer will prevent deletion of any entity on that layer. To check if the layer is locked or not, go to Layer Properties Manager, and check the ...
   
   
4. My PICKFIRST variable keeps resetting to 0
   The PICKFIRST variable controls whether objects may be selected before, or before and after a command is invoked. This affects all commands requiring objects to be selected: MOVE, COPY etc. The settings for PICKFIRST are: 0 - Turns OFF PICKFIRST. Select objects after a command is invoked. 1 - ...