This site is being deprecated.
Please see the official X‑Plane Support page for help.
Please make sure your operating system and graphics card are up to date. Double check that your computer meets ALL the minimum system requirements.
Please re-run the installer and pick the update option to restore any missing default resources. If that still doesn't fix it, if you are using Mac or Windows OS, please file a bug with a copy of the log.txt and list the graphics card driver version you have installed.
This site is no longer being actively maintained.