Well after an iffy start my Notebook is now running with 8GB of RAM. I'm feeling very pleased with myself, although a little foolish.
I put the new stick in but it wasn't recognised, did it again and the same, still showing just 4GB installed. Opened the machine up again and looked, the light bulb went on then I hadn't pushed it fully into place.
Turn on, yippee 8GB of RAM installed, what makes me laugh though was when I had 4GB I had a score of 4.4 because of the desktop graphics, everything else was high up in the 5 score. Now I have 8GB the memory has gone up to 7.9 the others are still 5+ but the graphics are now down to 4
I'm happy though that I managed to do it myself and not have to get my son-in-law to do it, he's the tech.