Investigated on 7th November 2013 by Paul Drage
The easy way to kill a HP laptop
We've just had a HP G6 laptop in that would not power up, show any lights or do anything at all - the owner said: “We shut the lid and put it down by the bed before we went to sleep, then in the morning it just wouldn't power up at all!”.
Our first thoughts were that the power jack or mains charger could of burnt out or become damaged in some way - only on further investigation did we find the below (on removing the heat sink and fan assembly):
Solid compacted dust blocking airflow through the cooling fins
Unfortunately it's too late for this laptop motherboard - it needs to be replaced, one has been ordered already.
A few simple rules will help prevent your laptop from over-heating and causing the same problem.
Another angle of the compacted dust
Prevention really is the best medicine here to avoid a costly repair job - 3 tips to prevent this problem follow:
Heat kills laptops (and Computers/desktops) - if you budget for a laptop/PC clean up about once a year or every 18 months you can avoid having these problems nearly altogether - if you detect heat: get it checked out.