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2. Tap Cold Boot.
The system is reset and you will lose all data
including all files in the RAM memory.
Method 2: From Hardware
1. Remove the battery compartment cover and the main battery. See the
section of Installing the Battery.
2. Turn the backup battery switch off.
3. Turn the backup battery switch on.
4. Put the battery back into the battery
compartment and re-place the battery
compartment cover.
System will cold boot.
NOTE: When you perform hard reset, the data and
time settings will not be retained. Formats,
preferences, and other settings are
restored to their default factory settings.