无法双启动 Windows 7 和 Ubuntu

无法双启动 Windows 7 和 Ubuntu

我有一台联想 Thinkpad 420,Windows 7 以传统模式运行。我想双启动 Windows 7 和 Ubuntu。

我下载了 Ubuntu 并使用 Rufus 3.8 创建了一个可启动的 USB。我使用 Rufus 3.8 将 Ubuntu 放在 USB 上。它说它将创建一个 BIOS 或 UEFI 可启动的 Ubuntu,但它似乎只是 UEFI。将启动设置更改为传统设置后,只有 USB 无法被识别。

经过两周的阅读和多次尝试安装旧版 Ubuntu 后,我继续使用 EFI 分区安装了 Ubuntu。现在,无论我是否将启动选项设置为仅旧版,我都无法启动 Windows 7。我无法将 Windows 重新安装为 UEFI,因为我出国了,而且还有一年没有安装盘。

我真的很想让 Ubuntu 以传统模式启动,但我该怎么做才能做到这一点,并将当前的 EFI 安装更改为传统模式或从笔记本电脑上移除,以便我甚至可以进行 Ubuntu 的传统安装?当然,我仍然需要将 USB 棒连接到传统安装棒,否则我就会回到两周前的状态。供参考,笔记本电脑是单硬盘,有 2 个 Windows 主分区(system_drv 和 Windows 7)。

我使用了“其他”安装选项,因为安装程序无法识别已安装的 Windows 7。我创建了 4 个扩展/逻辑分区(EFI、根、主分区和交换分区)。我注意到 Windows 的“system_drv”分区中已删除“启动”标志。我没有得到任何启动选项来选择 Windows 或 Ubuntu。

fdisk -l输出:

Disk /dev/loop0: 3,7 MiB, 3825664 bytes, 7472 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


Disk /dev/loop1: 54,4 MiB, 57069568 bytes, 111464 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


Disk /dev/loop2: 14,8 MiB, 15462400 bytes, 30200 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


Disk /dev/loop3: 1008 KiB, 1032192 bytes, 2016 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


Disk /dev/loop4: 149,9 MiB, 157184000 bytes, 307000 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


Disk /dev/loop5: 4 MiB, 4218880 bytes, 8240 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


Disk /dev/loop6: 88,5 MiB, 92778496 bytes, 181208 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


Disk /dev/loop7: 42,8 MiB, 44879872 bytes, 87656 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


Disk /dev/sda: 298,1 GiB, 320072933376 bytes, 625142448 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: dos
Disk identifier: 0xbc87ff27

Device     Boot     Start       End   Sectors   Size Id Type
/dev/sda1            2048   2459647   2457600   1,2G  7 HPFS/NTFS/exFAT
/dev/sda2         2459648 368834559 366374912 174,7G  7 HPFS/NTFS/exFAT
/dev/sda3       368834560 369811455    976896   477M ef EFI (FAT-12/16/32)
/dev/sda4       369813502 625141759 255328258 121,8G  5 Extended
/dev/sda5       369813504 418639871  48826368  23,3G 83 Linux
/dev/sda6       418641920 610045951 191404032  91,3G 83 Linux
/dev/sda7       610048000 625141759  15093760   7,2G 82 Linux swap / Solaris




Disk /dev/sdb: 3,8 GiB, 4027580416 bytes, 7866368 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: dos
Disk identifier: 0x00e5a528

Device     Boot   Start     End Sectors  Size Id Type
/dev/sdb1  *         63 7866242 7866180  3,8G  c W95 FAT32 (LBA)
/dev/sdb2       7866243 7866305      63 31,5K ea Rufus alignment

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