Using a blowtorch as a heat-source is common in extreme overclocking, to heat up VRMs and memory modules up enough to boot the machine, and keep it working.
liquid helium might get into the device itself and cause other problems. (e.g. iphones stop working in the presence of helium)
liquid helium might get into the device itself and cause other problems. (e.g. iphones stop working in the presence of helium)