I'm having some problems with my less than a year old Pioneer DVR-111D DVD-RW drive. When I put a blank DVD-R in the drive and open the latest version of Nero, approximately half the time, the maximum burning speed is only 4X (that's the only selectable option). The drive actually writes up to 16X and this option (along with slower ones) appears the rest of the time. Additionally, sometimes I will record at 16X, but it won't record above 4X and will take approximately 12 minutes to burn an entire disc (whereas it takes about 6 minutes when it's truly writing 16X).
The media I'm using are Verbatim 16X certified DVD-R discs. I've always used these same discs, so I'm nearly positive it's not a problem with the media or a bad batch. It worked flawlessly for the first six months or so, but this problem has gotten gradually worse since then. I have the latest firmware for the recorder (1.23) and as I mentioned, I'm using Nero 220.127.116.11. The drive has always been connected as the master drive to my secondary IDE cable and that has not changed. Attached is a screenshot of a benchmark test in Nero CD-DVD Speed. Any help on this would be greatly appreciated...thanks.