Here we'll try to answer: Is there is any use to listen loud music and watch films.
The time of the unmanaged mode of the mobile computer when sound is turned off and music is reproduced
Notice that so simple operation as music reproduction needs energy consumption but a little.
The time of the unmanaged mode of the mobile computer when music is reproduced throght laptop speakers and headphones
The time of the unmanaged mode of the mobile computer when sound is turned on through the acoustic system or through the headphones and music is reproduced.
Headphones don't consume a lot of energy as it was supposed. But built in acoustic system consumes more energy. And if you like listen music or to watch films from laptop you need to buy headphones.
So now let's see how is it possible to save more energy when laptop operates with accumulator? Not to turn it on! But in some time the accumulator will discharge, but it will very slowly...
But if seriously, it is possible to recommend minimizing the display brightness. The sound influences the energy consumption a little, but it is better to use headphones. Switched on but used rarely, for example for Internet, Wi-Fi doesn't consume a lot of energy. But a browser with a lot of pages and pictures will increase the consumption.
Operations with optical drive are forbidden. Do you like to watch a film? Copy it to hard disk and watch it from that directory. You save more energy. But it was pleasant to see that saving to disk or from disk consumes almost the same amount of energy as reading. And it is interesting that DVD usage saves more energy than CD usage.
To play games is not recommended if you want to save the accumulator charge. The accumulator will discharge for some tens of minutes. Also USB usage is not the best way to save the energy. Don't forget that energy for the device is supplied with USB and these are precious minutes.
We believe all information in this article will be useful for you. You need not to follow the advices surely but for it foundation it is possible to build the best strategy to save laptop energy in special situation.