Changing and adding memory - RAM
When buying a new memory module don't waste your money on "professional" installation. On the picture you can see a three white slots in which there is a memory module.
First you need to turn off you computer to avoid any problems.
If you wish to remove this module then you must release two white pegs which holds the module in place.
Push with your fingers on them to release the RAM module. Get hold of the memory module and drag it out. That is all. When inserting the RAM module you also need to release the pegs.
The connectors on motherboard and on RAM module must be all lined up! Then gently put in the RAM module first on one end of the slot and then on the other end of the slot. Don't use too much force or you might break something. When the module is in its place just slide the pegs back. If you computer doesn't report any error on start you have accomplished your mission.