B5. I get a low frame rate.

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C1. I've installed Orbiter, how do I start? C2. Why can't I get into orbit? C3. I want to rendezvous with the ISS, but I can't even get close. C4. I can get close to the ISS, but haven't succeded docking. C5. How can I get from Earth to the Moon/Mars? C6. I want to see imperial units instead of metric. C7. Why does the moon (sun, etc.) look so small? A1. Where can I post my suggestions/questions/corrections/bug reports? D1. Hardware & Software Requirements Smilies B1. I have downloaded Orbiter, but how do I install it? Donations D2. Downloading Orbiter A2. When will the next version be released, and what is going to be in it? BB codes B2. A previous installation worked fine, but the latest version causes problems. D3. Orbiter ZIP installation guide B3. After installation, I don't see any scenarios listed, or I don't get any textures. Trophies A3. I have problems downloading Orbiter. B4. Orbiter takes a long time to load. D4. Orbiter MSI installation guide A4. How can I create/import spacecraft into Orbiter? Cookie usage Terms and rules B5. I get a low frame rate. B6. Orbiter fails to run. Privacy policy B7. My joystick is not responding. B8. No sound! B9. I don't see any stars. B10. Orbit deteriorates at high time acceleration. B11. Orbiter dies unexpectedly during startup ... A. General Orbiter FAQ B. Troubleshooting C. Running Orbiter D. Download & Installation Guide

Make sure you have selected a hardware render device in the "Video" tab of the Orbiter Launchpad dialog (for example "Direct3D HAL T&L"). Avoid the much slower software devices, such as "RGB Emulation". If possible, use a hardware transform and lighting (T&L) device.

Apart from that, all the usual advice for performance-critical simulations applies: Quit other programs running simultaneously (either in the foreground, or as background jobs). On computers with low-end graphics run Orbiter in fullscreen mode, use a lower screen resolution and lower colour depth (16 bit). Reduce the level of "eye-candy" by turning off the options under the "Visual effects" tab of the Orbiter Launchpad.

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