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When I create a file in Windows 7 and save it I get the current date and time stamp but when I edit the program at a later time and date and save again it doesn't change the date and time stamp it stays the same as the original file! I feel like a moron but how can I change this?

Many manufacturers provided a laptop battery calibration program, a Windows version and BIOS version, it is best to use these programs to correction, Use the correct charger Notebook computer power consumption is much larger than cell phones, power needs and at the same time the battery is...