Saving electricity has a high trick win 7 power management to help you

Now is the era of low-carbon life, everyone advocates energy saving, notebook is no exception, if you can save the amount of laptop battery is also for environmental protection A little contribution, in fact, it is not difficult to achieve this, just look at the methods provided in the following tutorial.

1. Energy consumption of idle resources

When a computer starts up, it will not be in full load operation, so there will be a lot of idle time, so the power consumption in idle time It has become an important technology in power management. In Windows 7, the power consumption during idle time is effectively improved. When a certain hardware does not work for a certain period of time, it will enter a low power state and achieve power saving. This technology is used in the CPU, hard disk, memory, and network sections. For example, a CPU with a full power consumption of 35w consumes almost zero power when idle, and this alone can save a lot of power.

2. Start the service by triggering

Usually the system service will start together when the system starts, and then stay in the background and wait for the call. In Windows 7, some system services are only started when triggered by some events, such as inserting a device or changing the IP. This reduces the number of long-running services in the background process.

3. Enhanced Processor Power Management

Windows 7 integrates the latest power management technology that allows Windows 7 to dynamically adjust CPU performance based on current load and performance requirements. .

4. Adaptive display brightness adjustment

Microsoft said that the display will automatically turn off if there is no operation for 10-15 minutes. However, there will be more short-term no-operations in actual use, and in order to save energy, the technology will reduce the brightness of the display. In addition, it can use some sensing devices to adjust the brightness of the display according to the brightness of the surrounding environment.

5. Low-Power Audio

Windows 7 will support Intel's low-power HD audio specification, which allows the codec to enter a very low power state. Windows 7 also supports selective suspend technology to turn off devices that are idle, such as USB devices such as microphones and cameras.

6. Timer Integration

At present, the processor achieves energy saving by utilizing the gap free time of the processing instruction, but most energy-saving technologies require a certain length of idle time to obtain energy-saving effects. This technology increases the idle time of the processor by allowing the Windows kernel to terminate at the same time and concentrate on a plurality of timers that are more dispersed.

In addition, Windows 7 reduces the frequency of non-critical daemons when the notebook is using a battery.