It was installed as 16bit? Seems that you have a laptop, so the xserver- xorg.postinst script uses 16bit for laptops with nv because 24bit has some issues with 16.
** Changed in: xserver-xorg-video-nv (Ubuntu) Status: New => Incomplete -- NV 7400 shows 16 bit colour instead of 24 bit https://bugs.launchpad.net/bugs/115595 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs