Question

Gregor installed a third stick of known-good RAM into his Core i7 system, bringing the total amount of RAM up to 3 GB. Within a few days, though, he started having random lockups and reboots, especially when doing memory intensive tasks such as gaming. What is most likely the problem

Answer 1

The speed or quality was different.

Step-by-step explanation:

The new ram that he installed most likely had a different rate, or was a different quality than the old ram.