我正在尝试在我的 macbook 上双重启动 Ubuntu 和 OSX ( MacBookPro8,2)。根据常用指南，我下载了 rEFIt（.dmg）并安装了它。然后我重新启动了大约 12 次，但仍然总是进入 OSX 登录屏幕。我从未见过任何改装菜单。
这是 rEFIt 分区图的输出：
*** Report for internal hard disk ***
Current GPT partition table:
# Start LBA End LBA Type
1 40 409639 EFI System (FAT)
2 409640 716757759 Unknown
3 716757760 718027295 Mac OS X Boot
4 718027296 976510983 Mac OS X HFS+
Current MBR partition table:
# A Start LBA End LBA Type
1 1 976773167 ee EFI Protective
MBR contents:
Boot Code: None
Partition at LBA 40:
Boot Code: None (Non-system disk message)
File System: FAT32
Listed in GPT as partition 1, type EFI System (FAT)
Partition at LBA 409640:
Boot Code: None
File System: Unknown
Listed in GPT as partition 2, type Unknown
Partition at LBA 716757760:
Boot Code: None
File System: HFS Extended (HFS+)
Listed in GPT as partition 3, type Mac OS X Boot
Partition at LBA 718027296:
Boot Code: None
File System: HFS Extended (HFS+)
Listed in GPT as partition 4, type Mac OS X HFS+