Upgrading Windows on a Linux laptop

[Klaus-Peter Schrage]

Am 11.05.2014 17:14, schrieb Timothy Murphy:
> I rarely use Windows on my dual-boot Fedora-20/KDE laptop,
> but I'd like to update Windows XP to Windows 7 now.
>
> I found when I did this on a CentOS machine
> I was unable to get back to Linux,
> and had to re-install CentOS.
> I don't understand why, as I had saved and re-installed the MBR.
>
> Am I wrong in thinking that this should be sufficient?
> If not, what else do I need to save?
>
> I don't intend to make any partition changes.
>
> All suggestions and advice gratefully received.


When I had this problem recently reinstalling grub2 from a live linux cd 
did the trick, see also:
http://fedoraproject.org/wiki/GRUB_2#Updating_GRUB_2_configuration_on_BIOS_systems