Q: The ABCD lights are flashing and the unit does not function, even after a factory reset. A: This is recovery mode, meaning there was a failed update attempt. The unit will function again once the update is successfully completed. In the event of a failed update, power up while holding A/C and retry the update using the Line 6 Updater found at www.line6.com/software. If the update fails repeatedly, you likely need to try the process on a different computer.   Q: I'm seeing the