Hardware-Acceleration-Troubleshooting-Reference

Hardware Acceleration Troubleshooting Reference

Hardware Acceleration Troubleshooting Reference

Solutions to common problems with hardware acceleration.


After starting Netmeeting, hardware acceleration is disabled or unavailable. Is it
possible to re-enable hardware acceleration?

To re-enable hardware acceleration, close Netmeeting. Then restart the AutoCAD-based
product, hardware acceleration should be available once again.


After running a remote access application such as Citrix or any windows emulating
software, hardware acceleration is unavailable. Is it possible to use hardware acceleration
with these applications?

To use hardware acceleration, the application needs to be run locally from the computer.
Hardware acceleration remains unavailable while any remote access application is running
on the computer.


Why is hardware acceleration unavailable?

The most common reason why hardware acceleration is unavailable is that a graphics
display driver cannot be located on the system. To use hardware acceleration, visit
the video card manufacturer’s website or the Autodesk Certified Hardware website (http://www.autodesk.com/autocad-graphicscard) to download and install the latest driver available for your system.


Why does hardware acceleration seem to disable on its own at times?

There are some situations when the AutoCAD-based product might drop out of hardware
acceleration. The following is a list of the commonly known conditions when an error
or driver failure might occur:

  • You lock and unlock the workstation while the application is currently running.
  • A screen saver was activated and the application is restored.
  • You enable/disable the second monitor on the system.
  • The system returns from hibernation or standby mode.
  • The application runs out of video memory.

Why is the Autodesk driver unavailable to use with hardware acceleration?

To use the Autodesk driver for hardware acceleration, DirectX 9.0c or later must be
installed on the system. To install DirectX, insert the product’s original installation
media (DVD/CD) in your drive. Execute DXSETUP.exe from the 3rdPartyDirectX folder and follow the displayed prompts.


At times when I am using hardware acceleration, I encounter an error that prevents
hardware acceleration from operating correctly and then it becomes unavailable. What
should I do?

To help ensure that hardware acceleration operates correctly, verify that you are
running the latest service pack of the product and video graphics card driver before
attempting to re-enable hardware acceleration.

The Graphics Performance dialog box does not seem to have all the advanced graphic
options which were previously in the Performance Tuner. Where can I access these options?

Some advanced graphic performance options and settings are available only when you
enter -graphicsconfig on the command line.

Learning AutoCad

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