Ok, I found the reason : os-prober cannot detect Windows if the Windows partition has got a "boot" folder. I just deleted the "boot" folder and os-prober detects windows back.
-- Windows is not detected by os-prober https://bugs.launchpad.net/bugs/665629 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
