https://bugzilla.redhat.com/show_bug.cgi?id=499204 Given I can boot the install disk and chroot in, there must be away around Grub while still keeping LVM installed. Any ideas? Screen says: Booting Centos (2.6.18-194.3.1.el5) root (hd0,0) Filesystem type is ext2fs, partition type 0x83 kernel /vmlinuz-2.6.18-194.3.1.el5 ro root=/dev/VolGroup00/LogVol00 [Linux-bzImage, setup=0x1e00, size=0x1db35c] And then hangs. It is aleged that Grub probes aroung the bios which chrashes on optiplex 320s -- -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- - - - Jason Pyeron PD Inc. http://www.pdinc.us - - Principal Consultant 10 West 24th Street #100 - - +1 (443) 269-1555 x333 Baltimore, Maryland 21218 - - - -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- This message is copyright PD Inc, subject to license 20080407P00.