I just did a couple of dual-boot V570s, which was simpler with the LTS release than with the earlier 12.04 beta, for which there was a need to blacklist acer-wmi.
Be sure to burn a complete set of recovery DVDs.
From the installation CD, partition as follows:
- delete the empty and unnecessary LENOVO partition,
- allocate about half the drive as the extended sda5 (ext4), setting it up as /, and
- reserving about 1 GB more than your memory for a swap area. So for 6 GB memory, the swap will be 7 GB.
The installation will almost certainly screw up booting. Just hit Lenovo's one-step recovery. If you have data or programs in W7, this is where you use the recovery DVDs,-- otherwise you'll get a completely clean W7 installation. Before exiting W7,insert the Ubuntu CD and reboot into the "try without installing" mode.
In the file menu, click on the the Ubuntu (sda5) file system to make sure it's mounted. Then in terminal:
mount /dev/sda5 /mnt/root
The first reboot will give you the classic grub dual boot menu. Updating gives the nicer-looking current one.
I prefer Evolution to Thunderbird (especially since migration of emails with complex directories is a pain), but unfortunately it doesn't provide a messaging indicator. To fix this, gedit a file named evolution with the contents
I also like the program Touchpad Indicator for giving several control options over the touchpad (such as disabling when a wireless mouse is installed). Again, no indicator.
To fix this, go to System Settings > Startup Applications Preferences > Add, and
Comment: Starts Touchpad Indicator
I like to label the Windows drive as such. From the Software Centre, download GParted, highlight the Windows C: drive (sda2), then Partition > Label, enter Windows, then Apply.
The above installations work well and are very stable. A nice plus with the formal LTS release is that the Software Centre now includes Skype (which was bumpy in the beta).