re opened an old project and sound is not showing up

[freakinchina]

hello everyone..i am lost...and mad

thats 2 in a row...i reopened an old project and the sound is gone...the track is still there but the wave form is flat and no sound is coming out

if anyone can help me on this i would really appreciate

[Ann Bens]

Make sure Default Input in the Audio Hardware in the Preferences is set to No Input.

[Peru Bob]

If the solution offered by Ann Bens doesn't work, try Sequence > Render audio.