You might try the following switches in the startup icon:
/nohardware
/safemode
Re: http://blogs.rand.com/support/2015/05/a-new-startup-switch-for-autocad.html
I doubt either will help, but it is a quick test.
/nohardware
/safemode
Re: http://blogs.rand.com/support/2015/05/a-new-startup-switch-for-autocad.html
I doubt either will help, but it is a quick test.