As I mentioned above, I was having the same issue, and the workarounds I tried didn't help. I had been using an external DVD, plugged into a USB2 card.
After I installed an internal DVD, the problem disappeared completely, and now works for me.
As I mentioned above, I was having the same issue, and the workarounds I tried didn't help. I had been using an external DVD, plugged into a USB2 card.
After I installed an internal DVD, the problem disappeared completely, and now works for me.