Upgrading RAM Turn off the computer, unplug it, and take off the case cover. Find and identify the type of RAM slots you have. Get your memory. Here is where you make sure the above guidelines are met. First some info, though.
Some boards say that two sockets make a bank.
Some say that one is a bank. Nevertheless, a bank must be full. A half full bank will drive your computer nuts. Also, you can't mix two different kinds of memory in a single bank. Also, many systems require you to put the memory in in pairs.