Question

audiobox vsl44 solid red light at usb sync.. how can i get this to begin working again

Answer 1

Use this article to fully remove any previously installed drivers.

http://presonus.zendesk.com/entries/21469744-How-do-I-uninstall-and-reinstall-my-AudioBox-drivers-in-Windows-8-

Ensure you have installed the current drivers.

https://www.presonus.com/products/AudioBox-44VSL/downloads

If still having trouble, try connecting with new USB cables and different connections on your computer.

Test your AudioBox on a different computer.

If you still have trouble, contact Presonus Support.