problems installing ubuntu

[Ahmed Kotb]

hi,
iam got a new hp g6 laptop (http://h10025.www1.hp.com/ewfrf/wc/document?cc=us&lc=en&dlc=en&docname=c03000343) and i wanted to install ubuntu on it

first problem:
i tried booting into ubuntu 11.10 x64 livecd but after choosing language it stuck into a black screen.
apparently this is a common problem with 11.10 so i got an old 10.04 x86 livecd and it didn't face that problem, but it has the second problem which as far as i understand is not version related


Second (Main) problem:
The computer comes with win7 64 bit , uses UEFI to boot and GPT as a partitioning scheme

attached the image of hard drives partitions from windows

during ubuntu install the installer sees the whole hard drive as unallocated disk space ...

so what can i do so that ubuntu can see the other partitions ?

thanks in advance

[Ahmed Kotb]

this is the output of sudo fsck -lu


ubuntu@ubuntu:~$ sudo fdisk -lu

Disk /dev/sda: 640.1 GB, 640135028736 bytes
255 heads, 63 sectors/track, 77825 cylinders, total 1250263728 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
Disk identifier: 0xc13cbdc4

Device Boot Start End Blocks Id System
/dev/sda1 * 2048 409599 203776 7 HPFS/NTFS
Partition 1 does not end on cylinder boundary.
/dev/sda2 409600 159584255 79587328 7 HPFS/NTFS
Partition 2 does not end on cylinder boundary.
/dev/sda3 1208201216 1241939967 16869376 7 HPFS/NTFS
/dev/sda4 159584256 1250260991 545338368 f W95 Ext'd (LBA)
Partition 4 does not end on cylinder boundary.
/dev/sda5 159586304 683874303 262144000 7 HPFS/NTFS
/dev/sda6 683876352 1208201215 262162432 7 HPFS/NTFS
/dev/sda7 1241942016 1250260991 4159488 b W95 FAT32

Partition table entries are not in disk order

Disk /dev/sdb: 4011 MB, 4011851776 bytes
5 heads, 32 sectors/track, 48972 cylinders, total 7835648 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: 0x000dad4a

Device Boot Start End Blocks Id System
/dev/sdb1 * 8064 7835647 3913792 c W95 FAT32 (LBA)

[grahammechanical]

I found this link for you:

https://help.ubuntu.com/community/UEFIBooting

Note the comment about some machines under the heading Setting Up Grub2 (U)EFI

I would say that 10.04 is not suitable for a UEFI BIOS machine. Try downloading another copy of the 11.10 iso image. Or try letting the language time out to the default language. I hope you can read the default language! Is it a CD that you are using or a USB memory stick?

The partitioner manager in 10.04 may not support GUID Partition Tables (GPT). Have you thought of that? You need to get the 11.10 live CD/USB working.

I needed to change some settings in my BIOS to get booting from a USB working correctly. In my BIOS I had legacy floppy drive enabled and that made the live boot process very slow. So slow that I though the process had stalled. Once I disabled legacy floppy I got access to USB settings in another part of the BIOS program and I could set the transfer speed to the maximum and that solved the slowness of the boot from USB.

I do not know if this applies in your case.

Regards.

[Ahmed Kotb]

I found this link for you:

https://help.ubuntu.com/community/UEFIBooting

Note the comment about some machines under the heading Setting Up Grub2 (U)EFI

I would say that 10.04 is not suitable for a UEFI BIOS machine. Try downloading another copy of the 11.10 iso image. Or try letting the language time out to the default language. I hope you can read the default language! Is it a CD that you are using or a USB memory stick?

The partitioner manager in 10.04 may not support GUID Partition Tables (GPT). Have you thought of that? You need to get the 11.10 live CD/USB working.

I needed to change some settings in my BIOS to get booting from a USB working correctly. In my BIOS I had legacy floppy drive enabled and that made the live boot process very slow. So slow that I though the process had stalled. Once I disabled legacy floppy I got access to USB settings in another part of the BIOS program and I could set the transfer speed to the maximum and that solved the slowness of the boot from USB.

I do not know if this applies in your case.

Regards.

i was able to boot into 11.10 but the problem still occurs , i have found that i have the problem of overlapping partitions (from the output of fdisk -lu) , iam trying to fix it but i can't found an easy solution yet..

is there any solution for that other than formatting the whole hard drive ?

[raja.genupula]

with clear explanation
http://www.pclinuxos.com/forum/index.php?topic=70939.0

[Ahmed Kotb]

with clear explanation
http://www.pclinuxos.com/forum/index.php?topic=70939.0

i don't see how this can be useful :(
iam not an expert ..

i found this command sfdisk -uS -l /dev/sda
and it gives the following



ubuntu@ubuntu:~$ sudo sfdisk -uS -l /dev/sda

Disk /dev/sda: 77825 cylinders, 255 heads, 63 sectors/track
Warning: extended partition does not start at a cylinder boundary.
DOS and Linux will interpret the contents differently.
Units = sectors of 512 bytes, counting from 0

Device Boot Start End #sectors Id System
/dev/sda1 * 2048 409599 407552 7 HPFS/NTFS
/dev/sda2 409600 159584255 159174656 7 HPFS/NTFS
end: (c,h,s) expected (1023,254,63) found (717,232,27)
/dev/sda3 1208201216 1241939967 33738752 7 HPFS/NTFS
/dev/sda4 159584256 1250260991 1090676736 f W95 Ext'd (LBA)
start: (c,h,s) expected (1023,254,63) found (717,232,28)
end: (c,h,s) expected (1023,254,63) found (1,37,36)
/dev/sda5 159586304 683874303 524288000 7 HPFS/NTFS
start: (c,h,s) expected (1023,254,63) found (717,200,60)
end: (c,h,s) expected (1023,254,63) found (585,116,43)
/dev/sda6 683876352 1208201215 524324864 7 HPFS/NTFS
start: (c,h,s) expected (1023,254,63) found (585,85,13)
end: (c,h,s) expected (1023,254,63) found (455,76,5)
/dev/sda7 1241942016 1250260991 8318976 b W95 FAT32
start: (c,h,s) expected (1023,254,63) found (507,208,22)
end: (c,h,s) expected (1023,254,63) found (1,37,36)



how i can fix this partitions boundaries without screwing things up ?

[darkod]

I personally haven't used it, but people have repaired overlapping partitions with fixparts: http://www.rodsbooks.com/fixparts/