Don't forget that your laptop hasn't moved from the table where you unpacked it in months, you are located in a hermetically sealed, temperature and humidity controlled room, the laptop has absolutely no software on it other then the software it came with (updated to the latest version, of course), and on normal days you simply turn it on and lightly brush it's casing. Come to think about it, maybe skip the part about turning it on, that could be grounds for voiding the warranty.