Touchpads (Dell ? mousepad, although they also have keyboard mouse selections in those models..http://search.dell.com/results.aspx?s=d ... ad&cat=sup
--Dell results for linux + mousepadSynaptics picks for mousepad/touchpad!..http://ubuntuforums.org/showthread.php?t=763043https://wiki.ubuntu.com/InstallingUbuntuOnADellXPSM1530
# Tweak virtual memory to conserve power when running on batteries.
echo 10 > /proc/sys/vm/swappiness
echo 0 > /proc/sys/vm/dirty_expire_centisecs
echo 1500 > /proc/sys/vm/dirty_writeback_centisecs
echo 60 > /proc/sys/vm/dirty_background_ratio
echo 95 > /proc/sys/vm/dirty_ratio
--that may help with battery power options.., Also check acpi settings, same link..
--ubuntu previous or other Dell models, touchpad won't change that much if at all..
Linux additional install info..touchpads setups (multitouch!) https://wiki.debian.org/InstallingDebia ... 20XPS%2013
The touchpad works well with the standard kernel, BUT doesn't have multitouch which is really desirable. Please see the next section to learn how to compile Ubuntu Precise kernel to have full hardware coverage.
Kernel choices often fix outstanding issues with hardware, but that will depend on your Linux distributor..
Installing kernel 3.9 or higher (optional but HIGHLY recommended)
Kernel 3.9 and higher has better graphics performance, full support for the touchpad and hibernation works out of the box, but has the inconvenience that the brightness control buttons needs a workaround to work. (Note: you don't need Ubuntu Precise kernel if you use this one) Here is what you can do. First install the kernel (execute commands one by one):
--from the above link...By the way is the tochpad an ALPS model ?, if so there were some info on how to make it work better..http://embraceubuntu.com/2005/11/15/fix ... cs-driver/