win7下硬盘安装Ubuntu无法识别硬盘，分区表问题，请高手帮助。

[scleeyong]

ubuntu@ubuntu:~$ sudo fdisk -l

Disk /dev/sda: 500.1 GB, 500107862016 bytes
255 heads,
63 sectors/track, 60801 cylinders
Units = cylinders of 16065 * 512
= 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size
(minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x848ef1b3
Device Boot Start End Blocks Id System
/dev/sda1 * 1 12 96358 7 HPFS/NTFS
/dev/sda2 13 6566 52645003 7 HPFS/NTFS
/dev/sda3 6567 60801 435642637+ f W95 Ext'd (LBA)
/dev/sda4 59320 60702 11108947 7 HPFS/NTFS
/dev/sda5 6567 17542 88164688+ 7 HPFS/NTFS
/dev/sda6 17543 55142 302021966 7 HPFS/NTFS
/dev/sda7 55143 55534 3148708+ 82 Linux swap / Solaris
/dev/sda8 55535 59319 30402981 83 Linux
/dev/sda9 60703 60801 795186 b W95 FAT32

ubuntu@ubuntu:~$ sudo fdisk -lu

Disk /dev/sda: 500.1 GB, 500107862016 bytes
255 heads, 63 sectors/track,
60801 cylinders, total 976773168 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 identifier: 0x848ef1b3
Device Boot Start End Blocks Id System
/dev/sda1 * 64 192779 96358 7 HPFS/NTFS
/dev/sda2 192784 105482789 52645003 7 HPFS/NTFS
/dev/sda3 105482790 976768064 435642637+ f W95 Ext'd (LBA)
/dev/sda4 952959736 975177629 11108947 7 HPFS/NTFS
/dev/sda5 105482853 281812229 88164688+ 7 HPFS/NTFS
/dev/sda6 281812298 885856229 302021966 7 HPFS/NTFS
/dev/sda7 885856293 892153709 3148708+ 82 Linux swap / Solaris
/dev/sda8 892153773 952959734 30402981 83 Linux
/dev/sda9 975177693 976768064 795186 b W95 FAT32

ubuntu@ubuntu:~$ sudo parted /dev/sda print
错误: 分区之间不能重叠。

[wahbmc]

默认全部格式化不是挺好的吗

[scleeyong]

没有移动硬盘备份数据，全部格式化，舍不得。

[pyzhonghao]

默认全部格式化不是挺好的吗

是挺好，但是我这个盘用了2年了！ 怎么能舍得!??!?!?!?!?!?!!?!??!
！

[onshoestring]

问题：主分区包含在扩展分区中。
备份、删除sda4主分区，重建逻辑分区。