Fire alarm systems need to be inspected, tested and tagged annually. Testing must include all smoke detectors, manual pull devices, annunciators, visual indicators and strobes, control units, voice/alarm communications systems and any other devices that are a part of the fire alarm system.
it will need a port like this one to get more power from the usb since it only give 5.0 volts and this powered usb give up12 to 24 volts so you dont have that in a laptop and there is no way it could raise the power on the usb port in a laptop without damaging something .http://en.wikipedia.org/wiki/Powered_USB.
Plug one end of the HDMI cable into your computer's HDMI port and the other end into the Acer Monitor's HDMI port. The HDMI port on your desktop computer is located on the back of the tower near the DVI or VGA connections of your video card. On a laptop, the HDMI port is typically located on the side of the laptop.Power on your computer and the Acer monitor, if they are not already powered on.Step 2.he HDMI port on your desktop computer is located on the back of the tower near the DVI or VGA connections of your video card. On a laptop, the HDMI port is typically located on the side of the laptop. Power on your computer and the Acer monitor, if they are not already powered on. Step 2.