Laptop with Win7 nine Trick to Save Battery Power

Microsoft recently announced a title for 14 "win7 Power Management" white paper describes the Windows 7 power management technology is how to reduce the power consumption. If you want to know that Windows 7 is exactly how the power-saving, the white paper will give you the answer. If you just want a simple and quick to understand, the following will tell you that Windows 7 primary means of energy-saving.

1 idle power consumption of resources

When a computer is started, it will not have been in full-load operation state, and therefore there will be a lot of idle time, idle time,Dell Inspiron 15R N5010 battery consumption has become an important technology in power management. In win7 years idle power consumption has been effectively improved, after a certain period of time does not work in a hardware will enter a low power state to save battery power. Including the CPU, hard disk, memory and network elements have adopted this technology. For example, a full-power operation power consumption 35w CPU idle power consumption is almost zero, only this one will be able to save a lot of electricity.

2 trigger to start the service

System services are typically started when the system starts, then resides in the background waiting for the call. In Windows 7, some of the system services only triggered by some event will only be activated, such as inserting a device or change the IP. This can reduce the number of long-running services in the background process.

Enhanced processor power management

The win7 integrates the latest power http://www.pcbatteries.ca/Dell/Dell-Latitude-D830-battery.html:title=Dell Latitude D830 Battery] management technology, which enables Windows 7 according to the current load and performance requirements to dynamically adjust CPU performance.

Adaptive display brightness adjustment

Microsoft said, usually 10-15 minutes-free operation, the display will automatically turn off. But in actual use, there will be more short-term operating conditions in order to better energy efficiency, the technology will reduce the brightness of the display. In addition, it can use some sensing devices to adjust the display brightness according to ambient brightness.

Low power audio

win7 will support Intel's low-power HD audio specification, it allows the codec into low power Dell Latitude D620 Battery state. win7 also supports selective suspend technology, will be in the idle state device is turned off, such as microphones and cameras such USB devices.

6. Timer integration

Processor through use spare time for processing instructions gap to achieve energy-saving purposes, but most of the energy-saving technologies require a certain length of idle time to get energy saving effect. This technology by the Windows kernel to terminate the focus was more dispersed multiple timers at the same time, dealt with in a short period of time, thus increasing the processor idle time.

In addition, the frequency of activities in the case of using the battery when the laptop, win7 will reduce non-critical daemon.

7 Bluetooth devices to improve power

Win7 detected Bluetooth devices in a low-power state, it will temporarily shut down, that "selective suspend".

8 network devices to improve power

win7 been strengthened in low-power mode for the radio network controller compatibility enabled only, and only in the case of wireless AP devices support low-power mode. Vista can not detect in advance whether or not to support a low-power mode, will lead to a sudden interruption of Wi-Fi. win7 will prevent this from happening, will first detect whether the wireless AP support this mode before entering low-power mode.

9. Typical application optimization

In addition to the improvements listed above, Microsoft also turned to certain applications, including search, browse, networking and small game. Here is part of the the DVD players occasions optimization program:

Premise does not affect playback performance CPU to maintain a low-power mode

Improved by changing the architecture to the desktop window manager and GPU power consumption

Intelligent data caching can reduce the drive speed

The above is a win7 power Dell Vostro 1510 Battery management 9 important improvements compared to the previous system can save more energy. In addition to these improvements, IT professionals can make use of the power management diagnostics to find the problem that may affect the power efficiency.