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GRUB 无法检测到 Windows 10

tag-icon • tag-icon dual-boot partitioning grub2
GRUB 无法检测到 Windows 10

我正在使用 Kubuntu 18.04

我的计算机启动到 grub 菜单，但显示的只有 Ubuntu、Ubuntu 的高级选项和一些奇怪的 EFI 内容（它们都说根无效）。

这是我所做的

  • os-prober -> update-grub ：没有检测到 Windows，而且我有 ntfs-3g
  • 做了一个grub 的自定义条目此处描述，表示“无效文件”
  • 进行了启动修复，没有任何变化
  • 安装窗口后，我能够从 Ubuntu 看到我的窗口文件。
  • 尝试了 grub-install /dev/sda2，结果如下...
sudo grub-install /dev/sda2
Installing for x86_64-efi platform.
GUID Partition Table Header signature is wrong: be5608740128e852 != 5452415020494645
GUID Partition Table Header signature is wrong: 0 != 5452415020494645
GUID Partition Table Header signature is wrong: be5608740128e852 != 5452415020494645
GUID Partition Table Header signature is wrong: 0 != 5452415020494645
GUID Partition Table Header signature is wrong: be5608740128e852 != 5452415020494645
GUID Partition Table Header signature is wrong: 0 != 5452415020494645
Installation finished. No error reported.

我的lsblk是这样的：600G空间是windows

NAME   MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT
sda      8:0    0 931.5G  0 disk 
├─sda1   8:1    0     1G  0 part 
├─sda2   8:2    0   600G  0 part 
├─sda3   8:3    0  17.2G  0 part 
├─sda4   8:4    0     1K  0 part 
├─sda5   8:5    0    14G  0 part /
├─sda6   8:6    0   2.8G  0 part [SWAP]
├─sda7   8:7    0   237M  0 part /boot/efi
└─sda8   8:8    0 294.3G  0 part /home

我的fdisk -l样子是这样的：

Disk /dev/sda: 931.5 GiB, 1000204886016 bytes, 1953525168 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disklabel type: dos
Disk identifier: 0xc0ff3237

Device     Boot      Start        End    Sectors   Size Id Type
/dev/sda1             2048    2101247    2099200     1G  7 HPFS/NTFS/exFAT
/dev/sda2  *       2101248 1260392447 1258291200   600G  7 HPFS/NTFS/exFAT
/dev/sda3       1913182208 1949319167   36136960  17.2G  7 HPFS/NTFS/exFAT
/dev/sda4       1260394494 1913180159  652785666 311.3G  5 Extended
/dev/sda5       1260394496 1289689087   29294592    14G 83 Linux
/dev/sda6       1289691136 1295548415    5857280   2.8G 82 Linux swap / Solaris
/dev/sda7       1295550464 1296035839     485376   237M ef EFI (FAT-12/16/32)
/dev/sda8       1296037888 1913180159  617142272 294.3G 83 Linux

Partition 4 does not start on physical sector boundary.
Partition table entries are not in disk order.

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