Which of the following is MOST likely causing the problem?

A customer recently moved a high-end graphics card from a known-working computer to a different computer. The computer works without issue when viewing email and web pages or when using certain applications. However, when a game with high-end graphics requirements is opened, the program will run for a few minutes before the computer shuts down.

Which of the following is MOST likely causing the problem?
A . Power supply wattage
B . Video RAM
C . CPU frequency
D . Monitor resolution

Answer: A