noun
cold boot; cold booting
Computing term for starting a computer from a powered-off state, as opposed to a warm boot (restart).
システムが完全にフリーズしたので、コールドブートを実行した。
The system completely froze, so I performed a cold boot.
Variant with interpunct, sometimes seen in technical writing.
A warm boot (restart) without turning off the power, while コールドブート starts from a completely off state.
Borrowed from English 'cold boot'.