Looking through my /var/log/apt/term.log  logs I noticed this

INFO:Enable nvidia-current-updates
DEBUG:Parsing /usr/share/nvidia-common/quirks/lenovo_thinkpad
DEBUG:Parsing /usr/share/nvidia-common/quirks/dell_latitude
DEBUG:Parsing /usr/share/nvidia-common/quirks/put_your_quirks_here
DEBUG:Processing quirk ThinkPad T420s
DEBUG:Failure to match GIGABYTE with LENOVO
DEBUG:Quirk doesn't match
DEBUG:Processing quirk Latitude E6530
DEBUG:Failure to match GIGABYTE with Dell Inc.
DEBUG:Quirk doesn't match
Loading new nvidia-current-updates-304.64 DKMS files...

I expect some of the features of my graphics card have been disabled. 

Log started: 2012-11-29  13:57:24
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(Reading database ... 444690 files and directories currently installed.)
Removing nvidia-experimental-310-dev ...
Removing nvidia-experimental-310 ...
Removing all DKMS Modules
Done.
update-alternatives: using /usr/lib/nvidia-current-updates/ld.so.conf to provide /etc/ld.so.conf.d/x86_64-linux-gnu_GL.conf (x86_64-linux-gnu_gl_conf) in auto mode.
update-alternatives: using /usr/lib/nvidia-current-updates/alt_ld.so.conf to provide /etc/ld.so.conf.d/i386-linux-gnu_GL.conf (i386-linux-gnu_gl_conf) in auto mode.
INFO:Disable nvidia-experimental-310
DEBUG:Parsing /usr/share/nvidia-common/quirks/lenovo_thinkpad
DEBUG:Parsing /usr/share/nvidia-common/quirks/dell_latitude
DEBUG:Parsing /usr/share/nvidia-common/quirks/put_your_quirks_here
update-initramfs: deferring update (trigger activated)
Processing triggers for bamfdaemon ...
Rebuilding /usr/share/applications/bamf.index...
Processing triggers for libc-bin ...
ldconfig deferred processing now taking place
Processing triggers for desktop-file-utils ...
Processing triggers for gnome-menus ...
Processing triggers for man-db ...
Processing triggers for initramfs-tools ...
update-initramfs: Generating /boot/initrd.img-3.2.0-34-generic
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(Reading database ... 444483 files and directories currently installed.)
Preparing to replace nvidia-current-updates 304.64-0ubuntu0.1 (using .../nvidia-current-updates_304.64-0ubuntu0.1_amd64.deb) ...
Removing all DKMS Modules
Done.
Unpacking replacement nvidia-current-updates ...
Preparing to replace nvidia-settings-updates 304.43-0ubuntu0.2 (using .../nvidia-settings-updates_304.43-0ubuntu0.2_amd64.deb) ...
Unpacking replacement nvidia-settings-updates ...
Processing triggers for man-db ...
Setting up nvidia-current-updates (304.64-0ubuntu0.1) ...
update-initramfs: deferring update (trigger activated)
INFO:Enable nvidia-current-updates
DEBUG:Parsing /usr/share/nvidia-common/quirks/lenovo_thinkpad
DEBUG:Parsing /usr/share/nvidia-common/quirks/dell_latitude
DEBUG:Parsing /usr/share/nvidia-common/quirks/put_your_quirks_here
DEBUG:Processing quirk ThinkPad T420s
DEBUG:Failure to match GIGABYTE with LENOVO
DEBUG:Quirk doesn't match
DEBUG:Processing quirk Latitude E6530
DEBUG:Failure to match GIGABYTE with Dell Inc.
DEBUG:Quirk doesn't match
Loading new nvidia-current-updates-304.64 DKMS files...
Building only for 3.2.0-34-generic
Building for architecture x86_64
Building initial module for 3.2.0-34-generic
Done.

nvidia_current_updates:
Running module version sanity check.
 - Original module
   - No original module exists within this kernel
 - Installation
   - Installing to /lib/modules/3.2.0-34-generic/updates/dkms/

depmod....

DKMS: install completed.
Setting up nvidia-settings-updates (304.43-0ubuntu0.2) ...
update-alternatives: warning: forcing reinstallation of alternative /usr/lib/nvidia-settings-updates/ld.so.conf because link group nvidia_settings_conf is broken.
Processing triggers for bamfdaemon ...
Rebuilding /usr/share/applications/bamf.index...
Processing triggers for initramfs-tools ...
update-initramfs: Generating /boot/initrd.img-3.2.0-34-generic
Log ended: 2012-11-29  14:00:26