Now, youre probably wondering what the most important component in a computer is. The answer is random access memory, better known as RAM. While every PC needs a hard drive or solid state drive to store data, it needs RAM to run the programs required to access, read, and occasionally alter said data. You could own the most dependable computer on the planet, but without functioning RAM, your computer wont work properly or at all. Thankfully, like any failing component, you can watch for telltal