Here’s a smattering of items you might want to stuff into your laptop case or backpack for any sticky situations you may encounter. Beware: the more you pack, the heavier the bag!
Laptop
Power cord and adapter
Extra battery
External mouse
Ethernet cable
Pens, paper, sticky notes
Screen wipes
Headphones
A copy of your presentation
Media cards and flash drive(s)
Lock or cable
Tiny toolkit
Cooling fan
Business cards
Snacks
Laptops For Dummies