Question

There's no problem at input line but no signal in input.

Even little noise!

This problem was happened while the firmware upgrade.

When the level in half Suddenly mixer's sound shuted down and there's no input at all.

And the level was kept while 4 hours, so i had no way  without shut down.

I tried reconnecting with computer, but firewire didn't working even 1394 card still work!

1. Is there any way to reset the mixer without connecting computer?

2. What can i do if first way doesn't exist?

Answer 1

Is there any way to reset the mixer without connecting computer?

Yes the Factory Reset is done using a USB thumb drive.

 http://support.presonus.com/entries/22417039-StudioLive-AI-mixer-Firmware-Recovery-Factory-Reset

Also if you want to keep your user created presets or scenes, you will need to back them up. Check out this link in our knowledge: http://support.presonus.com/entries/23001399-StudioLive-AI-Scene-Preset-Backup-Transfer

If the issue persists, create a support ticket from your my.presonus account. Attach your system info files to the ticket.

http://support.presonus.com/hc/en-us/articles/210046303-How-Do-I-Create-A-Windows-System-NFO-and-OHCI-Report-for-Tech-Support-