How can you save your laptop from black screen problem?

Nowadays we came across many black screen problem happen to most of the branded laptop like hp, compaq, dell etc. A black screen problem happens when the inbuilt graphic chip of laptop got fail due to the rise in temperature. So, in order to take precaution for this kind of issue, follow my advice i.e
1) Always Keep your Laptop in the plain surface to allow air to flow freely inside the laptop.
2) If you play heavy games then keeping your laptop in the plain surface is mandatory.
3) Never keep your laptop in your bed.

My advice can be followed for other brand laptop