Does it matter what kind of video card or RAM to use on a laptop?

I always thought you can use whatever kind of RAM or Video card you want. Just switch it out with your old. Does it matter speifically to the computer you bought?|||Laptops do not have video "cards", they have chips which are most often non-upgradable|||Neither is computer specific. When buying RAM you need to make sure your socket types match. Older laptops use DDR2 memory and newer ones use DDR3. That's really the only hurdle. Also, make sure you find out how much RAM you can upgrade to before your computer starts ignoring the rest. After that top end, it's a waste of money. This is usually anywhere from 8GB to 16GB. Laptop's use an integrated video card, which means the video card is a chip, much like the CPU, on the motherboard itself. This cannot be upgraded or changed out. Even if you had a spare PCI Express slot, you couldn't just slap in a new video card because it won't fit in the case.|||With Ram It Needs To be The Same Socket Type and made for laptops and type such As DDR3. It Should not mater on less your running a Mac if your Running Mac there is a good Chance you have to buy the ram From Them. Make Sure That You know the type of Ram And You Will Be All Set. If You Need To Know Whut Kind Of ram that in your computer. Use CPU-Z And In The Memory Tab it tells you whut kind and how much you have installed on your computer You can Get it for free on Cnet http://download.cnet.com This Will Help You Know whut kind of RAM is on your Computer. Hope This Helps!|||No you cant switch out your video card because most laptops have intergrated motherboard (unless its custom) RAM can be switched out with compatibe RAM (such as DDR3 with DDR3 and so on)