I/O devices such as modems and NICs
She needs to plug in the projector.
She’s running the laptop on batteries. You need to plug in laptops to use the DVI connector.
She needs to update her PC Card services to support projectors.
She needs to press the Function key combination on her keyboard to cycle through monitor modes.
Improved battery life
Improved system performance
Improved video performance
None. Adding more RAM is pointless with systems that use shared memory.