A user states that the computer monitor is suddenly displaying garbled images and strange colors and leaving cursor trails. The technician determines that the system is using an onboard graphics...

A user states that the computer monitor is suddenly displaying garbled images and strange colors and leaving cursor trails. The technician determines that the system is using an onboard graphics controller. Which of the following is the most likely cause of the display problem?

A.      Resolution set too high

B.      Defective RAM

C.      Outdated firmware

D.      Defective power supply

E.       Fragmented hard drive