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I'm not sure if this is applicable to you guys, but when my hardware acceleration is off and dynamic is on, whenever i draw a line it goes laggy. Of course the solution is as simple as turning H.A. on but doesn't that increase battery consumption? Also, is H.A. on by default or not? I'm using a corei5 laptop thanks for any help!

Autocad LT doesn't seem to recongnize the NVIDIA QUADRO 600. I've updated the NVIDIA drivers and the AUTOCAD performance driver. I've reinstalled Autocad. Nothing seems to help. I can put hardware-acceleration on, but it doesn't seem to do much (see below!). Your help is very welcome:(, many thanks in advance:) Performance Tuner Results Log Version: 19.0.1.00 Date of Last Tune: 12-5-2012 Machine Configuration --------------------- Processor Speed : 3.3 GHz RAM : 4054 MB 3D Device --------- Name : NVIDIA Quadro 600 Manufacturer : NVIDIA Chip set : Quadro 600 Memory : 2749 MB Driver : 8.17.0012.9670 Your machine contains a 3D Device that is not certified. As more graphics cards and 3D display drivers are tested, they are added to a list on the Autodesk website. You can check for updates and download the latest certification list at any time. Run the 3DCONFIG command and click the Check for Updates button. Current application driver: acaddm10.hdi Current Effect Status: ---------------------- Enhanced 3D Performance: Available and on Smooth display: Not available Gooch shader: Software emulation in use Per-pixel lighting: Not available Full-shadow display: Not available Texture compression: Not available Advanced material effects: Not available Available application drivers and effect support: ------------------------------------------------- Software driver Effect support: Enhanced 3D Performance: Not applicable Smooth display: Not applicable Gooch shader: Software emulation only Per-pixel lighting: Not applicable Full-shadow display: Not applicable Texture compression: Not applicable Advanced material effects: Not applicable Autodesk driver: Not Certified Effect support: Enhanced 3D Performance: Available Smooth display: Not available Gooch shader: Software emulation only Per-pixel lighting: Not available Full-shadow display: Not available Texture compression: Not available Advanced material effects: Not available