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CAD tip CAD tip # 7321:

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Q - question

Pausing AutoCAD cursor in Windows 7.

A - answer A disabled hardware acceleration on your graphics card can cause AutoCAD cursor moving not smoothly (choppy, jerky, jumpy crosshairs) over your drawing. Hardware acceleration may be disabled as a result of using a non-certified graphics card.

Your cursor than acts like it slowly analyses snap points (even if osnap is disabled).

You can make your cursor faster and smooth by suppressing dynamic mode (DYNMODE=0 or F12), or by enabling hardware acceleration (preferred method). You can do so with the 3DCONFIG command, the "Manual tune" button, check the "Enable hardware acceleration" option.

Slow and jerky cursor movement can be caused also by running BitDefender virus scanner.

On an extremely slow or emulated graphics, also disable the tooltips - ROLLOVERTIPS=0 and TOOLTIPS=0. You may also need to switch off SELECTIONPREVIEW.

For AutoCAD and AutoCAD LT you can also try to switch off the Aero environment in Windows (switch to the Basic theme).

100% Win7  CAD 
23.4.2010    33037×   FAQ  

See also:
Tip 12040:PaintSelect - select objects by cursor painting - paint selection.
Tip 11939:How to extract pipe centerlines from 3D point clouds?
Tip 11888:Dynamic label of area and perimeter - DynArea.
Tip 11867:Interactively adjust character spacing in AutoCAD texts.
Tip 11623:Measuring suddenly doesn't work in AutoCAD or DWG TrueView.

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