That's probably because ......
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you are switching back and forth with AC and battery power. Most laptops now have ambient light sensors and may adjust the screen brightness automatically to conserve the battery. You should be able to turn it off.
所有跟帖:
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谢谢!但好像不是,电源和环境光亮造成的调节对反差的影响没那末厉害,
-野性-
♂
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06/01/2010 postreply
10:03:37