Which of the following devices is necessary to provide power to a laptop LCD screen? seenagape 10 years ago Which of the following devices is necessary to provide power to a laptop LCD screen? A.PCMCIA card B.Backlight C.Inverter D.PCI-E card Explanation: http://www.ehow.com/how-does_5011808_inverter-work-laptop.html ← Previous question Next question →