Hmm, sorry I can't offer you any tips re your laptop - hardware/software wise - but, one tip I will offer you ....... buy some good strong Security Padlocks for anything you do not want to loose while there. If leaving your vehicle unattended do not trust just your vehicle locks to keep people out! Preferably have someone in attendance at all times. Never leave anything valuable in view, not even for a few seconds!!
Sadly, I speak from experience while in Italy.