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Thanks again for your help. I was afraid the data was gone and you have confirmed that. As with most data loss, it's not the end of the world but is highly inconvenient. Do you have any suggestions...

I appreciate your help. I use the encrypted partitions to comply with company policy and have used it for a couple of years. I understand the concepts of lvm and encryption but have always used the...

ubuntu@ubuntu:~$ sudo mount /dev/sda2 /mnt
mount: you must specify the filesystem type

ubuntu@ubuntu:~$ ls /dev/mapper
control
ubuntu@ubuntu:~$ sudo mount /dev/mapper/control /mnt
mount: /dev/mapper/control is not a block device
ubuntu@ubuntu:~$

ubuntu@ubuntu:~$ mount /dev/mapper/your_partition /mnt
mount: only root can do that
ubuntu@ubuntu:~$ sudo -i
root@ubuntu:~# mount /dev/mapper/your_partition /mnt
mount: special device...

Here it is again.

Here is a screen shot of the disk utility.

ubuntu@ubuntu:~$ sudo cryptsetup luksOpen /dev/sda2 crypt
ubuntu@ubuntu:~$ sudo -i
root@ubuntu:~# cryptsetup luksOpen /dev/sda2 crypt
root@ubuntu:~# vgscan --mknodes
Reading all physical...

ubuntu@ubuntu:~$ sudo cryptsetup luksOpen /dev/sda2 crypt
ubuntu@ubuntu:~$

Just goes back to prompt. There is no output.

I tried that too and nothing happens and it doesn't prompt for password. I'm getting a little concerned because the disk utility shows the sda2 partition as free and unused, not encrypted.

Awesome, I'll try that when I get a chance in an hour or two. Thanks.

"When booting from a live version of ubuntu the 250MB boot patition is recognized and 500 partion is there but it is labeled as empty/unused."

Already tried that.

I installed Ubuntu 10.10 64 on my laptop with the entire 500gb setup as encrypted LVM. This has worked well for several months with no problems. During this time i have been backing up the data to an...

Thanks. I was just getting around to looking for a fix for suspend.

What?

There are two sound controllers in this PC. The internal speakers and input/output are controlled by the Realtek chip that tomas fri zu found a fix for and HDMI is controlled by the nVidia 425m chip...

I'm not that lazy. I already tried that. I have done a lot of searching and there seems to have been a problem with the drivers for the Realtek ALC259 chipset with the 10.04 and the 10.10 releases of...

I have been experiencing the same problems as you. My sound is still unstable at this time.

I followed the instructions here:
...

Still no HDMI audio.

...when editing with sudo. Literally logging into the terminal as root did the trick. Thanks!

Tried that and still no sound through the speakers or HDMI.