You have just upgraded memory on a computer from 1 GB to 2 GB by adding one DIMM. When you first turn on the PC, the memory count shows only 1 GB. Which of the following is most likely the source of the problem? What can you do to fix it?

a. Windows is giving an error because it likely became corrupted while the computer was disassembled.

b. The new DIMM you installed is faulty.

c. The new DIMM is not properly seated.

d. The DIMM is installed in the wrong slot.