Troubleshooting Problems
This article provides information about common problems encountered by NVDA users. If you are experiencing an issue with a specific application, please see ApplicationSupport.
Speech Synthesizers
The sapi4 synthesizer does not appear in the Synthesizer dialog.
IN order for SAPI 4 to be used, you need to install the SAPI 4.0 runtime binaries.
Braille Displays
The Handy Tech braille display does not appear in the Braille Settings dialog.
IN order for Handy Tech displays to be used with NVDA, you need to install the Handy Tech universal driver.
NVDA is supported by 