Why produce sound only after pressing power on ,sounds once

Why makes sound only when I press power on and any key but do not continue, just hangs?

Answer this question I have this problem too

Is this a good question?

Score 0

2 Comments:

After you using batteries or an AC adapter? Do you have the right screwdrivers to take the keyboard apart?

by

After using the adapter I have screwdriver to take keyboard apart, what next step

by

Add a comment