A good laptop bag will protect the laptop against those small accidental knocks that you just can't prevent, they do have some protection. Bigger knocks could be a problem though.
A laptop sleeve, commonly made out of neoprene, is intended to protect laptop computers against minor abrasions and shocks. Although this method of protection is suitable for everyday use, it will not hold up against the elements or abusive handling.
A discount laptop bag may sufficiently protect your laptop depending on which bag has been discounted and what sort of protection your laptop needs. Will a discount bag protect your laptop from a volcano? Most likely not. Will it protect it from a small bump? Probably.
Yes, a leather case will protect your laptop when you are transporting it. It will slow down the shock if dropped.
A password can protect from intruders accessing your computer physically, however, for total laptop security, you should consider protecting against key-loggers and viruses.
Yes, it is recommended to purchase travel insurance that covers your laptop for your upcoming trip to protect against theft, damage, or loss.
The Betseyville Poppin' Paisley Laptop Case has a padded interior that provides a measure of protection,but further information isn't really available.
Yes laptop sleeves do actually protect laptops from getting scratches, though only when the laptop is actually in the sleeve. Another option is to get a hard case to cover your laptop.
Yes, there are many screen protectors that can be put over the laptop. They are a very thing peice of plastic that goes over the screen, this protects against figerprints, ect.
Accidental damage would be something that you didn't do intentionally, such as if water was spilled on the computer, or you dropped the laptop and it stopped working, you can take it back to the shop and get a brand new one, or have the current one refurbished (as good as new)
You can protect your laptop from damage by not letting the laptop get near any water, fire, liquids, food particles, etc. Keep a laptop cover and cleaning solution is very helpful.
A laptop case poch thing.
The best place to look into laptop insurance is at the time of purchase. There you can probably learn about warranties and extended warranties that can help protect your laptop from theft and damage.