I have a small issue with my laptop. It will load up quickly and be ok for a while but then all of a sudden it will start to slow down. This happens mostly when watching videos on youtube or iplayer or playing zoo tycoon. It will slow down for a while (approx five-ten mins) and the videos playing will be very jumpy and sometimes slow right down to a halt but the sound will usually carry on at the normal speed. Then all of a sudden it catches up with itself and everything moves very quickly until it gets to the point where the sound is at. and then it will be ok for another hour or so depending on what it is being used for, less if i'm still watching vids.
What's causing this to happen? Could it be the RAM is getting used up while its buffering the videos or whatever its does so i can watch them. Will more RAM help? Currently got 1x512 and 1x256 in the slots. if i replace the 256 with a 1Gb will that help? Or is there something else more serious at work here? Do i need to format the disk and start again? could it be a programme i have installed that is causing the slow-down? what could it be?