You have installed a new computer with a quad-core 64-bit processor, 6 GB of memory, and a PCIe video card with 512 MB of memory. After installing the operating system, you see less than 4 GB of memory showing as available in Windows.
Which of the following actions would MOST likely rectify this issue?
Flash the BIOS.
Install a 64-bit version of the operating system.
Disable the AGP aperture in the BIOS.
Update the memory controller driver in Device Manager.