You work part-time at a computer repair store. A customer brought in a computer for repairs. The computer has the following specifications:

- AMD Phenom II x4 quad core processor.

- 8 GB DDR3 memory.

- Two SATA hard drives, one with the operating system installed, the other with a single volume for storing data.

- Single SATA optical drive.

You just replaced the power supply in the computer. Now the computer will not boot.