How to use PowerManger for dynamic brightness control (XP) on ThinkPad is as follows:
1. Click "Start" - "All Programs" - "ThinkVantage" - "Power Manger".
2. In the "Power Manager" window, click the "Global Power Settings" tab.
3. In "Global Power Settings", click "Advanced".
4. The "Dynamic Brightness Control" window will pop up. You can automatically reduce screen brightness under certain selected circumstances. Select one or more situations from the list.
When the three items of "Logout", "Screen Lock/Switch User" and "Screen Saver" are selected, the system will automatically reduce the screen brightness when encountering these three situations to save power. role. If you remove the "tick", the brightness will not be reduced.
ThinkPad, also known as "ThinkPad" in Chinese, was a portable computer brand under the IBM PC Division before 2005. Reliable features enjoy a high reputation in the industry. After Lenovo acquired the IBM PC Division, the ThinkPad trademark was owned by Lenovo. Since its inception, ThinkPad has maintained a classic black appearance and has its own unique insights into technology, such as: TrackPoint (pointing stick, commonly known as the little red dot), ThinkLight keyboard light, full-size keyboard and APS (Active Protection System, active protection system) ).
Thinkpad is the most popular portable computer among developers of the open source operating system OpenBSD, and the ThinkPad X40 is one of the most supported portable computer models.