我正在双启动 Windows 10 和 Ubuntu 17.04。当我安装 Ubuntu 时，安装过程很顺利。但在 Windows 10 会话后启动时，系统显示“选定的启动设备失败。按回车键继续。”我被带到一个屏幕，可以在其中选择 Ubuntu 或 Windows。我该如何修复启动管理器？以下是详细读取输出sudo efibootmgr -v：
BootCurrent: 0002
Timeout: 0 seconds
BootOrder: 0002,3002,3002,3002,3002,3002,3002,3002,3002,3002,3002,3002,3002,3002,3002,3002,3002,0001,2002,3001,3001,2001,2004
Boot0000* Internal CD/DVD ROM Drive (UEFI)
PciRoot(0x0)/Pci(0x13,0x0)/Sata(1,0,0)/CDROM(1,0xbe5dc,0x1200)RC
Boot0001* Windows Boot Manager HD(1,GPT,625a877a-bad7-4508-91d0-91c7815fe814,0x800,0x82000)/File(\EFI\Microsoft\Boot\bootmgfw.efi)WINDOWS.........x...B.C.D.O.B.J.E.C.T.=.{.9.d.e.a.8.6.2.c.-.5.c.d.d.-.4.e.7.0.-.a.c.c.1.-.f.3.2.b.3.4.4.d.4.7.9.5.}...7................
Boot0002* ubuntu HD(1,GPT,625a877a-bad7-4508-91d0-91c7815fe814,0x800,0x82000)/File(\EFI\ubuntu\shimx64.efi)
Boot0003* Internal CD/DVD ROM Drive (UEFI)
PciRoot(0x0)/Pci(0x13,0x0)/Sata(1,0,0)/CDROM(1,0xbe5dc,0x1200)RC
Boot0004* Internal CD/DVD ROM Drive (UEFI) PciRoot(0x0)/Pci(0x13,0x0)/Sata(1,0,0)/CDROM(1,0xbe5dc,0x1200)RC
Boot2001* EFI USB Device RC
Boot2002* EFI DVD/CDROM RC
Boot3002* Internal Hard Disk or Solid State Disk RC