我正在使用 UEFI 模式启动，在重新安装 ubuntu 之前，我已经在 UEFI 模式下完美地实现了双启动。但是在旧 ubuntu 上犯了一个错误（删除了根目录中的一些文件夹/文件...）之后，我在旧 ubuntu 的旧分区上重新安装了新的 ubuntu。
现在的问题是 Windows 没有出现在 grub 启动列表中，所以我无法在其上启动，但是如果我们查看启动修复生成的启动信息，Windows 分区似乎就在那里！
以下是 Boot-info 的一部分：
============================= Boot Info Summary: ===============================
=> No boot loader is installed in the MBR of /dev/sda.
sda1: __________________________________________________________________________
File system: ntfs
Boot sector type: Windows 8/2012: NTFS
Boot sector info: No errors found in the Boot Parameter Block.
Operating System:
Boot files: /bootmgr /boot/bcd
sda2: __________________________________________________________________________
File system: vfat
Boot sector type: Windows 8/2012: FAT32
Boot sector info: No errors found in the Boot Parameter Block.
Operating System:
Boot files: /EFI/Boot/bootx64.efi /EFI/ubuntu/MokManager.efi
/EFI/ubuntu/fwupx64.efi /EFI/ubuntu/grubx64.efi
/EFI/ubuntu/shimx64.efi
/EFI/Microsoft/Boot/bootmgr.efi
/EFI/Microsoft/Boot/memtest.efi /bootmgr
sda3: __________________________________________________________________________
File system: ntfs
Boot sector type: Windows 8/2012: NTFS
Boot sector info: No errors found in the Boot Parameter Block.
Operating System:
Boot files:
sda4: __________________________________________________________________________
File system: ntfs
Boot sector type: Windows 8/2012: NTFS
Boot sector info: No errors found in the Boot Parameter Block.
Operating System:
Boot files: /Windows/System32/winload.exe
sda5: __________________________________________________________________________
File system: ext4
Boot sector type: -
Boot sector info:
Operating System: Ubuntu 16.04.1 LTS
Boot files: /boot/grub/grub.cfg /etc/fstab
sda6: __________________________________________________________________________
File system: swap
Boot sector type: -
Boot sector info:
sda7: __________________________________________________________________________
File system: ntfs
Boot sector type: Windows 8/2012: NTFS
Boot sector info: No errors found in the Boot Parameter Block.
Operating System:
Boot files:
sda8: __________________________________________________________________________
File system:
Boot sector type: -
Boot sector info:
Mounting failed: mount: unknown filesystem type ''
sda9: __________________________________________________________________________
File system: ext4
Boot sector type: -
Boot sector info:
Operating System:
Boot files:
============================ Drive/Partition Info: =============================
Drive: sda _____________________________________________________________________
Disk /dev/sda: 119.2 GiB, 128035676160 bytes, 250069680 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: gpt
Partition Boot Start Sector End Sector # of Sectors Id System
/dev/sda1 1 250,069,679 250,069,679 ee GPT
GUID Partition Table detected.
Partition Attrs Start Sector End Sector # of Sectors System
/dev/sda1 R 2,048 2,099,199 2,097,152 Windows Recovery Environment (Windows)
/dev/sda2 2,099,200 2,303,999 204,800 EFI System partition
/dev/sda3 2,304,000 2,566,143 262,144 EFI System partition
/dev/sda4 2,566,144 149,889,023 147,322,880 Data partition (Windows/Linux)
/dev/sda5 149,889,024 189,889,023 40,000,000 Data partition (Linux)
/dev/sda6 196,952,064 213,575,679 16,623,616 Swap partition (Linux)
/dev/sda7 R 213,575,680 233,292,255 19,716,576 Windows Recovery Environment (Windows)
/dev/sda8 R 233,292,256 250,069,471 16,777,216 Intel Fast Flash (iFFS) partition (for Intel Rapid Start technology)
/dev/sda9 189,890,560 196,952,063 7,061,504 Data partition (Linux)
Attributes: R=Required, N=No Block IO, B=Legacy BIOS Bootable, +=More bits set
您能否帮助我找到修复 Windows 启动的问题并将其添加到带有实际 ubuntu（双启动）的 grub 列表中？
提前致谢！