When you open your first assembly drawing in SolidWorks 2009, you will notice that the referenced files load as Lightweight. This is expected and is a new change in SolidWorks 2009 to improve performance and memory usage. Unfortunately, there is no way to turn this off.
While the drawing is opening, you could receive a
message that SolidWorks detects that the units of the drawing differ from the
components in the assembly, which can affect the display of notes, cells, and
custom properties. And you are prompted
to resolve those components or not.
This means that there have been changes to some of the models referenced by the drawing. SolidWorks needs to fully resolve those changed models, so that everything in the drawing is up to date and accurate. Only the appropriate models will be fully resolved, the rest will load lightweight. Note, if you select “No” to this message box, and also check “Don’t ask me again”, you will no longer see this message box, changed components will not fully resolve, and your drawings may be continually out of date. To bring the message box back, go to Tools>Options>Advanced> and check the dismissed message box. It will then appear next time you open a drawing that needs to resolve some components.
If you do not want to work with the drawing while having some files loaded in Lightweight, then the easiest thing to do is to right click on the Sheet(s) from the FeatureManager and select Set Lightweight to Resolved. This will load all components on that sheet as fully resolved.
Design Better!
Leslie Lougheed
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