Continous beep coming when i connect speakers

[kiranin]

Hello,
when i connect speakers continous beep sound is coming from computer not through the speakers though, if i remove it is stopping

 

[scorpinock2]

The beep is coming from the internal motherboard speaker. It could be improper grounding or something, does the computer work when it's beeping?

 

[kiranin]

Yes it do work