Let me clarify this with an example from my experience. Recently, I had to upgrade the RAM in a client's laptop because it was running very slowly. First, I made sure to back up all important data to avoid any loss during the process. Then, I powered off the laptop, disconnected it from any power source, and removed the battery to ensure safety. After that, I carefully opened the back panel to access the RAM slots. I removed the existing RAM modules, cleaned the slots gently with a soft brush to remove any dust, and then installed the new RAM modules. Once everything was securely in place, I reassembled the laptop, reconnected the battery, and powered it on. After booting up, I checked the system properties to ensure the new RAM was recognized and functioning properly. This upgrade significantly improved the laptop's performance, and the client was very satisfied with the result.