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You Reply: I think you can read the time clock becuase it has a crystal for 32u4 chip, you also can choose to use a external RTC module for it. But If you mean you want to read the time in CPU, it's quite hard.
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You Reply: I think you should ask the supplier to repair or replace one
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You Reply: after the blue light blink, are you press the power buttom until the blue led keep light on?
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You Reply: for me, I will never do that 
the port is not design for power the whole board, so I don't know if the power manager unit support that,
So may be you will get an unpowered board or a fried one -
You Reply: If you mean alpha, you can disable thechip in bios
if it's 1st generation , there's no switch in bios, but you can disable in system