You are in the process of isolating a customer issue and have ruled out an environmental or educational cause. You suspect the issue is with the device.
If the issue is with the device software, which of the following are possible causes? (Choose three.)
A . Sleep/Wake button
B . Faulty video board
C . Third-party software
D . User-installed data such as images or documents
E . The operating system
F . Damaged display
G . User installed parts
Answer: CDE