AutoCAD 2008 User's Guide > Control the Drawing Views > Change Views > Shade a Model and Use Edge Effects > Control Performance > Performance Tuning > 
Performance Tuning
Concept Procedure Quick Reference
 
 
 

To tune performance manually

  1. Click Tools menu Options.At the Command prompt, enter options.
  2. In the Options dialog box, System tab, click Performance Settings.
  3. In the Adaptive Degradation and Performance Tuning dialog box, click Manual Tune.
  4. In the Manual Performance Tuning dialog box, you can enable hardware acceleration if the icon next to the check box is a green check mark or a yellow warning sign.
  5. In General Settings, you can clear or turn down settings to improve performance.
  6. (Optional) Use the Reset to Recommended Values option.
  7. Click OK to exit each dialog box.
 Command entry: 3dconfig
 Dashboard: Visual Style panel, Tuning Dialog