Most devices made within the last couple of years work great with the Windows 7 RTM, but some folks are finding that after installing this latest (and final) version of the OS, their DVD drives no longer work. What's up with that? Microsoft has identified at least some of the drives that are affected. For some, a firmware update will fix the problem. If there is no update available, Microsoft has come out with a workaround that involves disabling the ALPM (Adaptive Link Power Management) feature. If you've run into this problem, or if you haven't installed the RTM yet and are wondering if your DVD drive is one of those that it impacts, see...