None. That's a hardware problem.
A $100 bill makes change
Two. One to assure that everything possible is being done about the situation and the other one to screw it into the faucet.
You can unscrew the light bulb. - Steve Martin, "My Blue Heaven"
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Off-by-one error.
Because Oct 31 == Dec 25
None. That's a hardware problem but have you tried turning it on and off again