I've been using Verbatim 50GB discs with great success (no bad ones) until I purchased my last pack. My internal burner started having real problems and couldn't make it through a single one without popping up an error (the older discs still worked fine).
I had previously purchased an LG external burner and decided to try it. It will burn the new discs, but in the verify process it keeps showing the error - "Failed to read sectors --- Reason: The semaphor timeout period has expired", after which it produces the message - "Waiting for device to become ready"...... and then it recovers and starts verifying again. Most all verifies have completed but seem to take longer due to this behavior. I haven't tried the burner with any other discs (I don't have any) and the discs play fine so burning is successful (which the verify does indicate when it finishes). The external burner is connected via my laptop USB 3.0 connector.
Is there a setting in ImgBurn that could be causing this? What else might be responsible?