Drive PHYSICALLY damaging DVDs
The disk was undamaged when I put it in, came out scratched after the first installation try, and had more scratches after a second try (by then the drive wouldn't work properly anyway).
The drive has enormous trouble reading the disk, makes a lot of noise, doesn't spin up the disk properly, and it looks like the system forgot it actually has a DVD drive...
The Powerbook's out of commission with possible logic board failure and a hopelessly confused power management - I got it less than 2 months ago... 😟
Powerbook G4 15" (pre-HD display), Mac OS X (10.4.2), 1Gb RAM