A. The LCD display. In fact, almost half the power in most laptops is used by the screen, which is why dimming your screen can save you a lot of battery life. Below is a list of the major power consumers on your laptop. This list also applies to desktop computers, other than the screen figure.

  • LCD: 43%
  • Chipset: 21%
  • Processor: 9%
  • Graphics: 8%
  • Hard Drive: 5%
  • Network: 4%
  • Other bits: 10%

Obviously different systems will vary based on their components, but this gives a rough idea of where that battery power goes.

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