Chris found an interesting bug that turns off Dell computer by mobile text (sms) message.
Video is here
According to dell, “
Communication devices do sometimes cause interference with other communication devices. The level of interference created may depend in part on the model and condition of the phone…
Dell systems are designed to operate in line with industry standards for power and electro-magnetic shielding. We recommend to customers who are experiencing interference to avoid using mobile phones within one foot of the system. We encourage customers to contact Dell directly if they have other concerns.