On Fri, 2011-11-11 at 13:15 +0000, Ralph Corderoy wrote: > Hi Peter, > > > I want to remove my second hard disk (sdb) which has two partitions > > used for data. The stuff I want I have moved over to free space on > > sda. According to gparted, sda1 (XP) is the boot partition. sda5 is > > the linux partition. > > > > When I disconnected the second disk, on boot I got the message 'No > > Operating System' or something of that ilk. No Grub menu, nothing. > > Sounds like sda has boot code in its MBR that found the primary > partition with the bootable flag set, sda1, but when it loaded the first > 512 byte sector of sda1 it didn't see the 0xaa55 signature at the end of > it leading to a "Missing operating system" error embedded in the MBR. > > "sudo od -xN 512 /dev/sda1" would hexdump the first sector of sda1, > letting you see if it does end in "aa55", not that it gets you on the > road to fixing things, just confirm the issue. > > Cheers, Ralph. 0000740 7220 7365 6174 7472 0a0d 0000 0000 0000 0000760 0000 0000 0000 0000 a083 c9b3 0000 aa55
I'll try David's solution. I was halfway there before, in that I did boot from a CD to see what I could find. Peter -- Next meeting: Bournemouth, Tuesday 2011-12-06 20:00 Meets, Mailing list, IRC, LinkedIn, ... http://dorset.lug.org.uk/ New thread on mailing list: mailto:[email protected] How to Report Bugs Effectively: http://goo.gl/4Xue

