We previously offered extensive coverage on an issue where the lower RAM slots in some PowerBook G4 fail after a variable length of time (see articles 1, 2, and 3. Some users are not aware of the ...

We've been covering an issue where some readers with Aluminum PowerBook G4 computers have reported that the lower of the PowerBook's two RAM slots is no longer recognizing RAM. Numerous MacFixIt ...

Use the following suggestions if one RAM slot is not working on your Windows computer. The first thing you should do is check for physical damage. If your RAM slot(s) is damaged, it will not work.

If your computer is not booting with the two RAM sticks, the problem might be with your RAM sticks or the RAM slots. In this case, you can do one thing. Insert only one RAM stick at a time and start ...